Attachment 2 - Preliminary Design Report - Meyers Creek Drainage Study — Mayor and City Council, October 21, 2026 (part 3 of 5)

DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS

LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN

RESIDENTIAL
"5-7 DWELLINGS/ACRE" A 2.32 0.74 0.500 52
COMMERCIAL A 0.52 0.74 0.100 52
SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.74
SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.427
SUBAREA AREA(ACRES) = 2.84 SUBAREA RUNOFF(CFS) = 11.95
EFFECTIVE AREA(ACRES) = 18.20 AREA-AVERAGED Fm(INCH/HR) = 0.30 AREA-AVERAGED Fp(INCH/HR) = 0.70 AREA-AVERAGED Ap = 0.43 TOTAL AREA(ACRES) = 19.7 PEAK FLOW RATE(CFS) = 76.75
END OF SUBAREA STREET FLOW HYDRAULICS:

DEPTH(FEET) = 0.66 HALFSTREET FLOOD WIDTH(FEET) = 25.00 FLOW VELOCITY(FEET/SEC.) = 6.35 DEPTH*VELOCITY(FT*FT/SEC.) = 4.18 LONGEST FLOWPATH FROM NODE 800.00 TO NODE 808.00 = 3161.00 FEET. **************************************************************************** FLOW PROCESS FROM NODE 808.00 TO NODE 115.00 IS CODE = 31 ---------------------------------------------------------------------------- >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<<
>>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ REPRESENTATIVE SLOPE = 0.0420
FLOW LENGTH(FEET) = 45.00 MANNING'S N = 0.013
DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.6 INCHES
PIPE-FLOW VELOCITY(FEET/SEC.) = 18.50
ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE-FLOW(CFS) = 76.75
PIPE TRAVEL TIME(MIN.) = 0.04 Tc(MIN.) = 12.04
LONGEST FLOWPATH FROM NODE 800.00 TO NODE 115.00 = 3206.00 FEET. **************************************************************************** FLOW PROCESS FROM NODE 115.00 TO NODE 115.00 IS CODE = 11 ---------------------------------------------------------------------------- >>>>>CONFLUENCE MEMORY BANK # 1 WITH THE MAIN-STREAM MEMORY<<<<< ============================================================================ ** MAIN STREAM CONFLUENCE DATA **
STREAM Q Tc Intensity Fp(Fm) Ap Ae HEADWATER
NUMBER (CFS) (MIN.) (INCH/HR) (INCH/HR) (ACRES) NODE
1 76.75 12.04 4.976 0.70( 0.30) 0.43 18.2 900.00
2 75.59 12.81 4.745 0.70( 0.30) 0.43 18.8 1000.00
3 71.83 14.15 4.345 0.69( 0.30) 0.43 19.7 800.00
LONGEST FLOWPATH FROM NODE 800.00 TO NODE 115.00 = 3206.00 FEET. ** MEMORY BANK # 1 CONFLUENCE DATA **
STREAM Q Tc Intensity Fp(Fm) Ap Ae HEADWATER
NUMBER (CFS) (MIN.) (INCH/HR) (INCH/HR) (ACRES) NODE
1 1903.08 11.76 5.057 0.28( 0.22) 0.80 375.6 700.00
Meyers Creek – Existing Condition 2024

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2 1908.41 11.84 5.034 0.28( 0.22) 0.80 378.6 1300.00
3 1914.41 11.93 5.007 0.28( 0.22) 0.80 382.1 1400.00
4 1931.98 12.20 4.927 0.28( 0.22) 0.80 392.3 1500.00
5 1954.96 12.56 4.820 0.28( 0.22) 0.80 405.8 1600.00
6 2037.23 13.87 4.428 0.28( 0.22) 0.80 454.7 1100.00
7 2041.45 14.00 4.388 0.28( 0.22) 0.80 459.7 200.00
8 2043.68 14.08 4.366 0.28( 0.22) 0.80 462.4 600.00
9 2056.58 14.85 4.134 0.28( 0.22) 0.80 489.3 100.00
10 2094.92 17.40 3.922 0.27( 0.22) 0.82 573.6 1105.00
11 2098.07 18.90 3.817 0.27( 0.22) 0.82 609.0 500.00
12 2307.52 26.18 3.307 0.26( 0.21) 0.83 777.4 300.00
13 2305.99 26.54 3.283 0.26( 0.21) 0.83 782.7 400.00
LONGEST FLOWPATH FROM NODE 400.00 TO NODE 115.00 = 6429.00 FEET. ** PEAK FLOW RATE TABLE **
STREAM Q Tc Intensity Fp(Fm) Ap Ae HEADWATER
NUMBER (CFS) (MIN.) (INCH/HR) (INCH/HR) (ACRES) NODE
1 1979.40 11.76 5.057 0.29( 0.23) 0.78 393.4 700.00
2 1984.86 11.84 5.034 0.29( 0.23) 0.78 396.5 1300.00
3 1991.00 11.93 5.007 0.29( 0.23) 0.78 400.1 1400.00
4 1997.96 12.04 4.976 0.29( 0.23) 0.78 404.2 900.00
5 2008.48 12.20 4.927 0.29( 0.23) 0.78 410.6 1500.00
6 2030.93 12.56 4.820 0.29( 0.23) 0.78 424.4 1600.00
7 2046.34 12.81 4.745 0.29( 0.23) 0.78 434.0 1000.00
8 2109.84 13.87 4.428 0.29( 0.23) 0.79 474.2 1100.00
9 2113.69 14.00 4.388 0.29( 0.23) 0.79 479.2 200.00
10 2115.71 14.08 4.366 0.29( 0.23) 0.79 482.1 600.00
11 2116.68 14.15 4.345 0.29( 0.23) 0.79 484.5 800.00
12 2124.67 14.85 4.134 0.29( 0.23) 0.79 508.9 100.00
13 2159.25 17.40 3.922 0.28( 0.22) 0.80 593.3 1105.00
14 2160.53 18.90 3.817 0.28( 0.22) 0.81 628.6 500.00
15 2360.95 26.18 3.307 0.26( 0.22) 0.82 797.0 300.00
16 2358.97 26.54 3.283 0.26( 0.21) 0.82 802.3 400.00
TOTAL AREA(ACRES) = 802.3
COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS:

PEAK FLOW RATE(CFS) = 2360.95 Tc(MIN.) = 26.180
EFFECTIVE AREA(ACRES) = 797.03 AREA-AVERAGED Fm(INCH/HR) = 0.22 AREA-AVERAGED Fp(INCH/HR) = 0.26 AREA-AVERAGED Ap = 0.82 TOTAL AREA(ACRES) = 802.3
LONGEST FLOWPATH FROM NODE 400.00 TO NODE 115.00 = 6429.00 FEET. **************************************************************************** FLOW PROCESS FROM NODE 115.00 TO NODE 115.00 IS CODE = 12 ---------------------------------------------------------------------------- >>>>>CLEAR MEMORY BANK # 1 <<<<<
============================================================================ **************************************************************************** FLOW PROCESS FROM NODE 115.00 TO NODE 116.00 IS CODE = 37 Meyers Creek – Existing Condition 2024

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---------------------------------------------------------------------------- >>>>>COMPUTE CULVERT TRAVEL TIME THRU SUBAREA<<<<<
>>>>>USING COMPUTER-ESTIMATED CULVERT SIZE<<<<<
============================================================================ REPRESENTATIVE SLOPE = 0.0100
FLOW LENGTH(FEET) = 44.00 MANNING'S N = 0.014
Notes:

1. Reference: "Hydraulic Charts for the Selection of
Highway Culverts", Hydraulic Engineering Circular No. 5, December 1965, Federal Highway Administration.

2. INLET control for all Culvert Analysis.

3. Headwater depth is ASSUMED to be 3 FEET above the culvert soffit.

GIVEN BOX CULVERT HEIGHT(FEET) = 12.00
ESTIMATED BOX CULVERT BASEWIDTH(FEET) = 14.76
CULVERT-FLOW VELOCITY(FEET/SEC.) = 13.33
CULVERT-FLOW(CFS) = 2360.95
CULVERT-FLOW TRAVEL TIME(MIN.) = 0.05 Tc(MIN.) = 26.23
LONGEST FLOWPATH FROM NODE 400.00 TO NODE 116.00 = 6473.00 FEET. **************************************************************************** FLOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<<
============================================================================ TOTAL NUMBER OF STREAMS = 2
CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE:

TIME OF CONCENTRATION(MIN.) = 26.23
RAINFALL INTENSITY(INCH/HR) = 3.30
AREA-AVERAGED Fm(INCH/HR) = 0.22
AREA-AVERAGED Fp(INCH/HR) = 0.26
AREA-AVERAGED Ap = 0.82
EFFECTIVE STREAM AREA(ACRES) = 797.03
TOTAL STREAM AREA(ACRES) = 802.32
PEAK FLOW RATE(CFS) AT CONFLUENCE = 2360.95
**************************************************************************** FLOW PROCESS FROM NODE 1200.00 TO NODE 1201.00 IS CODE = 21 ---------------------------------------------------------------------------- >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<<
>>USE TIME-OF-CONCENTRATION NOMOGRAPH FOR INITIAL SUBAREA<< ============================================================================ INITIAL SUBAREA FLOW-LENGTH(FEET) = 287.00
ELEVATION DATA: UPSTREAM(FEET) = 1858.00 DOWNSTREAM(FEET) = 1252.00 Tc = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]**0.20
SUBAREA ANALYSIS USED MINIMUM Tc(MIN.) = 5.000
* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 7.080
SUBAREA Tc AND LOSS RATE DATA(AMC III):

DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS Tc
LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN (MIN.)
Meyers Creek – Existing Condition 2024

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SCHOOL A 0.68 0.74 0.600 52 5.00
COMMERCIAL A 0.03 0.74 0.100 52 5.00
SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.74
SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.582
SUBAREA RUNOFF(CFS) = 4.21
TOTAL AREA(ACRES) = 0.70 PEAK FLOW RATE(CFS) = 4.21
**************************************************************************** FLOW PROCESS FROM NODE 1201.00 TO NODE 1202.00 IS CODE = 62 ---------------------------------------------------------------------------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<<
>>>>>(STREET TABLE SECTION # 3 USED)<<<<<
============================================================================ REPRESENTATIVE SLOPE = 0.0440
STREET LENGTH(FEET) = 160.00 CURB HEIGHT(INCHES) = 8.0
STREET HALFWIDTH(FEET) = 25.00
DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 20.00 INSIDE STREET CROSSFALL(DECIMAL) = 0.020
OUTSIDE STREET CROSSFALL(DECIMAL) = 0.020
SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1
STREET PARKWAY CROSSFALL(DECIMAL) = 0.050
Manning's FRICTION FACTOR for Streetflow Section(curb-to-curb) = 0.0150 Manning's FRICTION FACTOR for Back-of-Walk Flow Section = 0.0150 **TRAVEL TIME COMPUTED USING ESTIMATED FLOW(CFS) = 7.10 STREETFLOW MODEL RESULTS USING ESTIMATED FLOW:

STREET FLOW DEPTH(FEET) = 0.38
HALFSTREET FLOOD WIDTH(FEET) = 10.98
AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.09
PRODUCT OF DEPTH&VELOCITY(FT*FT/SEC.) = 1.92
STREET FLOW TRAVEL TIME(MIN.) = 0.52 Tc(MIN.) = 5.52
* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 6.923
SUBAREA LOSS RATE DATA(AMC III):

DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS

LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN
SCHOOL A 0.57 0.74 0.600 52
COMMERCIAL A 0.39 0.74 0.100 52
SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.74
SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.396
SUBAREA AREA(ACRES) = 0.97 SUBAREA RUNOFF(CFS) = 5.78
EFFECTIVE AREA(ACRES) = 1.67 AREA-AVERAGED Fm(INCH/HR) = 0.35 AREA-AVERAGED Fp(INCH/HR) = 0.74 AREA-AVERAGED Ap = 0.47 TOTAL AREA(ACRES) = 1.7 PEAK FLOW RATE(CFS) = 9.89
END OF SUBAREA STREET FLOW HYDRAULICS:

DEPTH(FEET) = 0.41 HALFSTREET FLOOD WIDTH(FEET) = 12.70 FLOW VELOCITY(FEET/SEC.) = 5.49 DEPTH*VELOCITY(FT*FT/SEC.) = 2.26 LONGEST FLOWPATH FROM NODE 1200.00 TO NODE 1202.00 = 447.00 FEET.

Meyers Creek – Existing Condition 2024

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**************************************************************************** FLOW PROCESS FROM NODE 1202.00 TO NODE 1203.00 IS CODE = 62 ---------------------------------------------------------------------------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<<
>>>>>(STREET TABLE SECTION # 3 USED)<<<<<
============================================================================ REPRESENTATIVE SLOPE = 0.0380
STREET LENGTH(FEET) = 210.00 CURB HEIGHT(INCHES) = 8.0
STREET HALFWIDTH(FEET) = 25.00
DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 20.00 INSIDE STREET CROSSFALL(DECIMAL) = 0.020
OUTSIDE STREET CROSSFALL(DECIMAL) = 0.020
SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1
STREET PARKWAY CROSSFALL(DECIMAL) = 0.050
Manning's FRICTION FACTOR for Streetflow Section(curb-to-curb) = 0.0150 Manning's FRICTION FACTOR for Back-of-Walk Flow Section = 0.0150 **TRAVEL TIME COMPUTED USING ESTIMATED FLOW(CFS) = 14.86 STREETFLOW MODEL RESULTS USING ESTIMATED FLOW:

STREET FLOW DEPTH(FEET) = 0.47
HALFSTREET FLOOD WIDTH(FEET) = 15.51
AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.73
PRODUCT OF DEPTH&VELOCITY(FT*FT/SEC.) = 2.68
STREET FLOW TRAVEL TIME(MIN.) = 0.61 Tc(MIN.) = 6.13
* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 6.741
SUBAREA LOSS RATE DATA(AMC III):

DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS

LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN
SCHOOL A 1.54 0.74 0.600 52
COMMERCIAL A 0.20 0.74 0.100 52
SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.74
SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.543
SUBAREA AREA(ACRES) = 1.74 SUBAREA RUNOFF(CFS) = 9.94
EFFECTIVE AREA(ACRES) = 3.41 AREA-AVERAGED Fm(INCH/HR) = 0.38 AREA-AVERAGED Fp(INCH/HR) = 0.74 AREA-AVERAGED Ap = 0.51 TOTAL AREA(ACRES) = 3.4 PEAK FLOW RATE(CFS) = 19.55
END OF SUBAREA STREET FLOW HYDRAULICS:

DEPTH(FEET) = 0.50 HALFSTREET FLOOD WIDTH(FEET) = 17.30 FLOW VELOCITY(FEET/SEC.) = 6.14 DEPTH*VELOCITY(FT*FT/SEC.) = 3.10 LONGEST FLOWPATH FROM NODE 1200.00 TO NODE 1203.00 = 657.00 FEET. **************************************************************************** FLOW PROCESS FROM NODE 1203.00 TO NODE 1204.00 IS CODE = 62 ---------------------------------------------------------------------------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<<
>>>>>(STREET TABLE SECTION # 4 USED)<<<<<
Meyers Creek – Existing Condition 2024

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============================================================================ REPRESENTATIVE SLOPE = 0.0350
STREET LENGTH(FEET) = 594.00 CURB HEIGHT(INCHES) = 8.0
STREET HALFWIDTH(FEET) = 30.00
DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 25.00 INSIDE STREET CROSSFALL(DECIMAL) = 0.020
OUTSIDE STREET CROSSFALL(DECIMAL) = 0.020
SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1
STREET PARKWAY CROSSFALL(DECIMAL) = 0.050
Manning's FRICTION FACTOR for Streetflow Section(curb-to-curb) = 0.0150 Manning's FRICTION FACTOR for Back-of-Walk Flow Section = 0.0150 **TRAVEL TIME COMPUTED USING ESTIMATED FLOW(CFS) = 27.66 STREETFLOW MODEL RESULTS USING ESTIMATED FLOW:

STREET FLOW DEPTH(FEET) = 0.56
HALFSTREET FLOOD WIDTH(FEET) = 20.28
AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.43
PRODUCT OF DEPTH&VELOCITY(FT*FT/SEC.) = 3.63
STREET FLOW TRAVEL TIME(MIN.) = 1.54 Tc(MIN.) = 7.67
* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 6.280
SUBAREA LOSS RATE DATA(AMC III):

DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS

LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN
SCHOOL A 1.08 0.74 0.600 52
PUBLIC PARK A 1.10 0.74 0.850 52
COMMERCIAL A 0.89 0.74 0.100 52
SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.74
SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.546
SUBAREA AREA(ACRES) = 3.07 SUBAREA RUNOFF(CFS) = 16.21
EFFECTIVE AREA(ACRES) = 6.48 AREA-AVERAGED Fm(INCH/HR) = 0.39 AREA-AVERAGED Fp(INCH/HR) = 0.74 AREA-AVERAGED Ap = 0.53 TOTAL AREA(ACRES) = 6.5 PEAK FLOW RATE(CFS) = 34.35
END OF SUBAREA STREET FLOW HYDRAULICS:

DEPTH(FEET) = 0.60 HALFSTREET FLOOD WIDTH(FEET) = 22.04 FLOW VELOCITY(FEET/SEC.) = 6.80 DEPTH*VELOCITY(FT*FT/SEC.) = 4.08 LONGEST FLOWPATH FROM NODE 1200.00 TO NODE 1204.00 = 1251.00 FEET. **************************************************************************** FLOW PROCESS FROM NODE 1204.00 TO NODE 1205.00 IS CODE = 62 ---------------------------------------------------------------------------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<<
>>>>>(STREET TABLE SECTION # 4 USED)<<<<<
============================================================================ REPRESENTATIVE SLOPE = 0.0330
STREET LENGTH(FEET) = 455.00 CURB HEIGHT(INCHES) = 8.0
STREET HALFWIDTH(FEET) = 30.00
Meyers Creek – Existing Condition 2024

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DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 25.00 INSIDE STREET CROSSFALL(DECIMAL) = 0.020
OUTSIDE STREET CROSSFALL(DECIMAL) = 0.020
SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1
STREET PARKWAY CROSSFALL(DECIMAL) = 0.050
Manning's FRICTION FACTOR for Streetflow Section(curb-to-curb) = 0.0150 Manning's FRICTION FACTOR for Back-of-Walk Flow Section = 0.0150 **TRAVEL TIME COMPUTED USING ESTIMATED FLOW(CFS) = 38.89 STREETFLOW MODEL RESULTS USING ESTIMATED FLOW:

STREET FLOW DEPTH(FEET) = 0.63
HALFSTREET FLOOD WIDTH(FEET) = 23.41
AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.86
PRODUCT OF DEPTH&VELOCITY(FT*FT/SEC.) = 4.30
STREET FLOW TRAVEL TIME(MIN.) = 1.11 Tc(MIN.) = 8.78
* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 5.950
SUBAREA LOSS RATE DATA(AMC III):

DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS

LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN
PUBLIC PARK A 1.39 0.74 0.850 52
COMMERCIAL A 0.46 0.74 0.100 52
SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.74
SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.662
SUBAREA AREA(ACRES) = 1.85 SUBAREA RUNOFF(CFS) = 9.08
EFFECTIVE AREA(ACRES) = 8.33 AREA-AVERAGED Fm(INCH/HR) = 0.41 AREA-AVERAGED Fp(INCH/HR) = 0.74 AREA-AVERAGED Ap = 0.56 TOTAL AREA(ACRES) = 8.3 PEAK FLOW RATE(CFS) = 41.50
END OF SUBAREA STREET FLOW HYDRAULICS:

DEPTH(FEET) = 0.64 HALFSTREET FLOOD WIDTH(FEET) = 23.99 FLOW VELOCITY(FEET/SEC.) = 6.98 DEPTH*VELOCITY(FT*FT/SEC.) = 4.45 LONGEST FLOWPATH FROM NODE 1200.00 TO NODE 1205.00 = 1706.00 FEET. **************************************************************************** FLOW PROCESS FROM NODE 1205.00 TO NODE 1206.00 IS CODE = 62 ---------------------------------------------------------------------------- >>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<<
>>>>>(STREET TABLE SECTION # 4 USED)<<<<<
============================================================================ REPRESENTATIVE SLOPE = 0.0240
STREET LENGTH(FEET) = 491.00 CURB HEIGHT(INCHES) = 8.0
STREET HALFWIDTH(FEET) = 30.00
DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 25.00 INSIDE STREET CROSSFALL(DECIMAL) = 0.020
OUTSIDE STREET CROSSFALL(DECIMAL) = 0.020
SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1
STREET PARKWAY CROSSFALL(DECIMAL) = 0.050
Meyers Creek – Existing Condition 2024

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Manning's FRICTION FACTOR for Streetflow Section(curb-to-curb) = 0.0150 Manning's FRICTION FACTOR for Back-of-Walk Flow Section = 0.0150 **TRAVEL TIME COMPUTED USING ESTIMATED FLOW(CFS) = 42.77 STREETFLOW MODEL RESULTS USING ESTIMATED FLOW:

STREET FLOW DEPTH(FEET) = 0.68
HALFSTREET FLOOD WIDTH(FEET) = 26.02
AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.22
PRODUCT OF DEPTH&VELOCITY(FT*FT/SEC.) = 4.20
STREET FLOW TRAVEL TIME(MIN.) = 1.32 Tc(MIN.) = 10.10
* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 5.556
SUBAREA LOSS RATE DATA(AMC III):

DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS

LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN
PUBLIC PARK A 0.03 0.74 0.850 52
COMMERCIAL A 0.49 0.74 0.100 52
SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.74
SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.144
SUBAREA AREA(ACRES) = 0.51 SUBAREA RUNOFF(CFS) = 2.53
EFFECTIVE AREA(ACRES) = 8.84 AREA-AVERAGED Fm(INCH/HR) = 0.40 AREA-AVERAGED Fp(INCH/HR) = 0.74 AREA-AVERAGED Ap = 0.53 TOTAL AREA(ACRES) = 8.8 PEAK FLOW RATE(CFS) = 41.50
NOTE: PEAK FLOW RATE DEFAULTED TO UPSTREAM VALUE
END OF SUBAREA STREET FLOW HYDRAULICS:

DEPTH(FEET) = 0.67 HALFSTREET FLOOD WIDTH(FEET) = 25.61 FLOW VELOCITY(FEET/SEC.) = 6.18 DEPTH*VELOCITY(FT*FT/SEC.) = 4.13 LONGEST FLOWPATH FROM NODE 1200.00 TO NODE 1206.00 = 2197.00 FEET. **************************************************************************** FLOW PROCESS FROM NODE 1206.00 TO NODE 116.00 IS CODE = 31 ---------------------------------------------------------------------------- >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA<<<<<
>>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ============================================================================ REPRESENTATIVE SLOPE = 0.1640
FLOW LENGTH(FEET) = 67.00 MANNING'S N = 0.013
DEPTH OF FLOW IN 21.0 INCH PIPE IS 12.7 INCHES
PIPE-FLOW VELOCITY(FEET/SEC.) = 27.23
ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPE-FLOW(CFS) = 41.50
PIPE TRAVEL TIME(MIN.) = 0.04 Tc(MIN.) = 10.14
LONGEST FLOWPATH FROM NODE 1200.00 TO NODE 116.00 = 2264.00 FEET. **************************************************************************** FLOW PROCESS FROM NODE 116.00 TO NODE 116.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<<
>>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ============================================================================ Meyers Creek – Existing Condition 2024

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TOTAL NUMBER OF STREAMS = 2
CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE:

TIME OF CONCENTRATION(MIN.) = 10.14
RAINFALL INTENSITY(INCH/HR) = 5.54
AREA-AVERAGED Fm(INCH/HR) = 0.40
AREA-AVERAGED Fp(INCH/HR) = 0.74
AREA-AVERAGED Ap = 0.53
EFFECTIVE STREAM AREA(ACRES) = 8.84
TOTAL STREAM AREA(ACRES) = 8.84
PEAK FLOW RATE(CFS) AT CONFLUENCE = 41.50
** CONFLUENCE DATA **
STREAM Q Tc Intensity Fp(Fm) Ap Ae HEADWATER
NUMBER (CFS) (MIN.) (INCH/HR) (INCH/HR) (ACRES) NODE
1 1979.40 11.82 5.041 0.29( 0.23) 0.78 393.4 700.00
1 1984.86 11.90 5.018 0.29( 0.23) 0.78 396.5 1300.00
1 1991.00 11.99 4.991 0.29( 0.23) 0.78 400.1 1400.00
1 1997.96 12.09 4.960 0.29( 0.23) 0.78 404.2 900.00
1 2008.48 12.26 4.910 0.29( 0.23) 0.78 410.6 1500.00
1 2030.93 12.61 4.803 0.29( 0.23) 0.78 424.4 1600.00
1 2046.34 12.87 4.728 0.29( 0.23) 0.78 434.0 1000.00
1 2109.84 13.92 4.412 0.29( 0.23) 0.79 474.2 1100.00
1 2113.69 14.06 4.372 0.29( 0.23) 0.79 479.2 200.00
1 2115.71 14.13 4.349 0.29( 0.23) 0.79 482.1 600.00
1 2116.68 14.20 4.328 0.29( 0.23) 0.79 484.5 800.00
1 2124.67 14.91 4.117 0.29( 0.23) 0.79 508.9 100.00
1 2159.25 17.46 3.918 0.28( 0.22) 0.80 593.3 1105.00
1 2160.53 18.96 3.813 0.28( 0.22) 0.81 628.6 500.00
1 2360.95 26.23 3.304 0.26( 0.22) 0.82 797.0 300.00
1 2358.97 26.59 3.279 0.26( 0.21) 0.82 802.3 400.00
2 41.50 10.14 5.544 0.74( 0.40) 0.53 8.8 1200.00

RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO
CONFLUENCE FORMULA USED FOR 2 STREAMS.
** PEAK FLOW RATE TABLE **
STREAM Q Tc Intensity Fp(Fm) Ap Ae HEADWATER
NUMBER (CFS) (MIN.) (INCH/HR) (INCH/HR) (ACRES) NODE
1 1916.54 10.14 5.544 0.30( 0.23) 0.77 346.2 1200.00
2 2016.85 11.82 5.041 0.30( 0.23) 0.78 402.3 700.00
3 2022.12 11.90 5.018 0.30( 0.23) 0.78 405.4 1300.00
4 2028.05 11.99 4.991 0.30( 0.23) 0.78 409.0 1400.00
5 2034.75 12.09 4.960 0.30( 0.23) 0.78 413.1 900.00
6 2044.88 12.26 4.910 0.30( 0.23) 0.78 419.5 1500.00
7 2066.46 12.61 4.803 0.30( 0.23) 0.78 433.2 1600.00
8 2081.27 12.87 4.728 0.30( 0.23) 0.78 442.8 1000.00
9 2142.22 13.92 4.412 0.29( 0.23) 0.78 483.0 1100.00
10 2145.74 14.06 4.372 0.29( 0.23) 0.78 488.1 200.00
11 2147.58 14.13 4.349 0.29( 0.23) 0.78 490.9 600.00
12 2148.39 14.20 4.328 0.29( 0.23) 0.78 493.4 800.00
Meyers Creek – Existing Condition 2024

Page 81 of 81 ends

13 2154.67 14.91 4.117 0.29( 0.23) 0.79 517.8 100.00
14 2187.65 17.46 3.918 0.28( 0.23) 0.80 602.1 1105.00
15 2188.08 18.96 3.813 0.28( 0.22) 0.80 637.5 500.00
16 2384.39 26.23 3.304 0.27( 0.22) 0.82 805.9 300.00
17 2382.22 26.59 3.279 0.27( 0.22) 0.82 811.2 400.00
COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS:

PEAK FLOW RATE(CFS) = 2384.39 Tc(MIN.) = 26.23
EFFECTIVE AREA(ACRES) = 805.88 AREA-AVERAGED Fm(INCH/HR) = 0.22 AREA-AVERAGED Fp(INCH/HR) = 0.27 AREA-AVERAGED Ap = 0.82 TOTAL AREA(ACRES) = 811.2
LONGEST FLOWPATH FROM NODE 400.00 TO NODE 116.00 = 6473.00 FEET. ============================================================================ END OF STUDY SUMMARY:

TOTAL AREA(ACRES) = 811.2 TC(MIN.) = 26.23
EFFECTIVE AREA(ACRES) = 805.88 AREA-AVERAGED Fm(INCH/HR)= 0.22 AREA-AVERAGED Fp(INCH/HR) = 0.27 AREA-AVERAGED Ap = 0.817 PEAK FLOW RATE(CFS) = 2384.39
** PEAK FLOW RATE TABLE **
STREAM Q Tc Intensity Fp(Fm) Ap Ae HEADWATER
NUMBER (CFS) (MIN.) (INCH/HR) (INCH/HR) (ACRES) NODE
1 1916.54 10.14 5.544 0.30( 0.23) 0.77 346.2 1200.00
2 2016.85 11.82 5.041 0.30( 0.23) 0.78 402.3 700.00
3 2022.12 11.90 5.018 0.30( 0.23) 0.78 405.4 1300.00
4 2028.05 11.99 4.991 0.30( 0.23) 0.78 409.0 1400.00
5 2034.75 12.09 4.960 0.30( 0.23) 0.78 413.1 900.00
6 2044.88 12.26 4.910 0.30( 0.23) 0.78 419.5 1500.00
7 2066.46 12.61 4.803 0.30( 0.23) 0.78 433.2 1600.00
8 2081.27 12.87 4.728 0.30( 0.23) 0.78 442.8 1000.00
9 2142.22 13.92 4.412 0.29( 0.23) 0.78 483.0 1100.00
10 2145.74 14.06 4.372 0.29( 0.23) 0.78 488.1 200.00
11 2147.58 14.13 4.349 0.29( 0.23) 0.78 490.9 600.00
12 2148.39 14.20 4.328 0.29( 0.23) 0.78 493.4 800.00
13 2154.67 14.91 4.117 0.29( 0.23) 0.79 517.8 100.00
14 2187.65 17.46 3.918 0.28( 0.23) 0.80 602.1 1105.00
15 2188.08 18.96 3.813 0.28( 0.22) 0.80 637.5 500.00
16 2384.39 26.23 3.304 0.27( 0.22) 0.82 805.9 300.00
17 2382.22 26.59 3.279 0.27( 0.22) 0.82 811.2 400.00
============================================================================ ============================================================================

END OF RATIONAL METHOD ANALYSIS
10YR-FUTURE-UPPERTRIB-A-SAUH.docx Page 1 of 18
____________________________________________________________________________ ****************************************************************************

F L O O D R O U T I N G A N A L Y S I S
USING COUNTY HYDROLOGY MANUAL OF SAN BERNARDINO(1986)
(c) Copyright 1989-2015 Advanced Engineering Software (aes) Ver. 22.0 Release Date: 07/01/2015 License ID 1673
Analysis prepared by:

************************** DESCRIPTION OF STUDY ************************** * HYDROLOGY STUDY - MEYERS CREEK *
* SAUH - 10-YR - SUBAREA A *
* 4/3/2024 *
************************************************************************** FILE NAME: UTA10.DAT
TIME/DATE OF STUDY: 14:48 07/23/2024
**************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 7478.000 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 5123.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 1282.000 FEET
BASIN FACTOR = 0.040
WATERSHED AREA = 186.000 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.297 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

VALLEY(UNDEVELOPED)/DESERT S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.520
LOW LOSS FRACTION = 0.480
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.39
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 1.00
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.53
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.70
SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 3.94
SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 7.89
Meyers Creek –Upper Tributary A 2024

Page 2 of 18 ends

*USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS:
5-MINUTE FACTOR = 0.991
30-MINUTE FACTOR = 0.991
1-HOUR FACTOR = 0.991
3-HOUR FACTOR = 0.999
6-HOUR FACTOR = 0.999
24-HOUR FACTOR = 1.000
UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES
UNIT INTERVAL PERCENTAGE OF LAG-TIME = 28.046
============================================================================

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

NUMBER MEAN VALUES ORDINATES(CFS)
---------------------------------------------------------------------------- 1 2.620 58.932
2 11.678 203.763
3 28.386 375.839
4 48.313 448.233
5 62.024 308.418
6 70.028 180.051
7 75.373 120.233
8 79.325 88.897
9 82.431 69.866
10 85.002 57.827
11 87.086 46.877
12 88.796 38.473
13 90.343 34.806
14 91.649 29.381
15 92.765 25.105
16 93.794 23.134
17 94.669 19.693
18 95.494 18.554
19 96.209 16.079
20 96.755 12.291
21 97.300 12.250
22 97.836 12.071
23 98.144 6.911
24 98.345 4.530
25 98.547 4.530
26 98.748 4.521
27 98.949 4.530
28 99.150 4.527
29 99.351 4.527
Meyers Creek –Upper Tributary A 2024

Page 3 of 18 ends

30 99.553 4.527
31 99.754 4.527
32 99.955 4.527
33 100.000 1.007
Meyers Creek –Upper Tributary A 2024

Page 4 of 18 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

PERIOD RAINFALL SOIL-LOSS RAINFALL
(NUMBER) (INCHES) (INCHES) (INCHES)
---------------------------------------------------------------------------- 1 0.0138 0.0066 0.0072
2 0.0138 0.0066 0.0072
3 0.0138 0.0066 0.0072
4 0.0139 0.0066 0.0072
5 0.0139 0.0067 0.0072
6 0.0139 0.0067 0.0072
7 0.0140 0.0067 0.0073
8 0.0140 0.0067 0.0073
9 0.0141 0.0067 0.0073
10 0.0141 0.0068 0.0073
11 0.0141 0.0068 0.0073
12 0.0142 0.0068 0.0074
13 0.0142 0.0068 0.0074
14 0.0142 0.0068 0.0074
15 0.0143 0.0069 0.0074
16 0.0143 0.0069 0.0074
17 0.0144 0.0069 0.0075
18 0.0144 0.0069 0.0075
19 0.0144 0.0069 0.0075
20 0.0145 0.0069 0.0075
21 0.0145 0.0070 0.0076
22 0.0146 0.0070 0.0076
23 0.0146 0.0070 0.0076
24 0.0146 0.0070 0.0076
25 0.0147 0.0071 0.0076
26 0.0147 0.0071 0.0077
27 0.0148 0.0071 0.0077
28 0.0148 0.0071 0.0077
29 0.0149 0.0071 0.0077
30 0.0149 0.0072 0.0078
31 0.0150 0.0072 0.0078
32 0.0150 0.0072 0.0078
33 0.0151 0.0072 0.0078
34 0.0151 0.0072 0.0079
35 0.0152 0.0073 0.0079
36 0.0152 0.0073 0.0079
37 0.0153 0.0073 0.0079
38 0.0153 0.0073 0.0080
39 0.0154 0.0074 0.0080
40 0.0154 0.0074 0.0080
41 0.0155 0.0074 0.0080
42 0.0155 0.0074 0.0081
43 0.0156 0.0075 0.0081
44 0.0156 0.0075 0.0081
45 0.0157 0.0075 0.0081
Meyers Creek –Upper Tributary A 2024

Page 5 of 18 ends

46 0.0157 0.0075 0.0082
47 0.0158 0.0076 0.0082
48 0.0158 0.0076 0.0082
49 0.0159 0.0076 0.0083
50 0.0159 0.0076 0.0083
51 0.0160 0.0077 0.0083
52 0.0160 0.0077 0.0083
53 0.0161 0.0077 0.0084
54 0.0161 0.0077 0.0084
55 0.0162 0.0078 0.0084
56 0.0163 0.0078 0.0085
57 0.0163 0.0078 0.0085
58 0.0164 0.0079 0.0085
59 0.0165 0.0079 0.0086
60 0.0165 0.0079 0.0086
61 0.0166 0.0080 0.0086
62 0.0166 0.0080 0.0086
63 0.0167 0.0080 0.0087
64 0.0168 0.0080 0.0087
65 0.0168 0.0081 0.0088
66 0.0169 0.0081 0.0088
67 0.0170 0.0081 0.0088
68 0.0170 0.0082 0.0089
69 0.0171 0.0082 0.0089
70 0.0172 0.0082 0.0089
71 0.0173 0.0083 0.0090
72 0.0173 0.0083 0.0090
73 0.0174 0.0083 0.0090
74 0.0174 0.0084 0.0091
75 0.0175 0.0084 0.0091
76 0.0176 0.0084 0.0091
77 0.0177 0.0085 0.0092
78 0.0177 0.0085 0.0092
79 0.0178 0.0086 0.0093
80 0.0179 0.0086 0.0093
81 0.0180 0.0086 0.0094
82 0.0181 0.0087 0.0094
83 0.0182 0.0087 0.0094
84 0.0182 0.0087 0.0095
85 0.0183 0.0088 0.0095
86 0.0184 0.0088 0.0096
87 0.0185 0.0089 0.0096
88 0.0186 0.0089 0.0097
89 0.0187 0.0090 0.0097
90 0.0187 0.0090 0.0097
91 0.0189 0.0091 0.0098
92 0.0189 0.0091 0.0098
93 0.0191 0.0091 0.0099
94 0.0191 0.0092 0.0099
95 0.0192 0.0092 0.0100
Meyers Creek –Upper Tributary A 2024

Page 6 of 18 ends

96 0.0193 0.0093 0.0100
97 0.0194 0.0093 0.0101
98 0.0195 0.0094 0.0101
99 0.0197 0.0094 0.0102
100 0.0197 0.0095 0.0103
101 0.0199 0.0095 0.0103
102 0.0199 0.0096 0.0104
103 0.0201 0.0096 0.0104
104 0.0202 0.0097 0.0105
105 0.0203 0.0097 0.0106
106 0.0204 0.0098 0.0106
107 0.0205 0.0099 0.0107
108 0.0206 0.0099 0.0107
109 0.0208 0.0100 0.0108
110 0.0209 0.0100 0.0109
111 0.0210 0.0101 0.0109
112 0.0211 0.0101 0.0110
113 0.0213 0.0102 0.0111
114 0.0214 0.0103 0.0111
115 0.0216 0.0104 0.0112
116 0.0217 0.0104 0.0113
117 0.0219 0.0105 0.0114
118 0.0220 0.0105 0.0114
119 0.0222 0.0106 0.0115
120 0.0223 0.0107 0.0116
121 0.0225 0.0108 0.0117
122 0.0226 0.0108 0.0117
123 0.0228 0.0109 0.0118
124 0.0229 0.0110 0.0119
125 0.0231 0.0111 0.0120
126 0.0232 0.0111 0.0121
127 0.0235 0.0113 0.0122
128 0.0236 0.0113 0.0123
129 0.0238 0.0114 0.0124
130 0.0239 0.0115 0.0125
131 0.0242 0.0116 0.0126
132 0.0243 0.0117 0.0127
133 0.0246 0.0118 0.0128
134 0.0247 0.0119 0.0129
135 0.0250 0.0120 0.0130
136 0.0252 0.0121 0.0131
137 0.0255 0.0122 0.0132
138 0.0256 0.0123 0.0133
139 0.0259 0.0125 0.0135
140 0.0261 0.0125 0.0136
141 0.0264 0.0127 0.0137
142 0.0266 0.0128 0.0138
143 0.0270 0.0129 0.0140
144 0.0271 0.0130 0.0141
145 0.0299 0.0144 0.0155
Meyers Creek –Upper Tributary A 2024

Page 7 of 18 ends

146 0.0301 0.0144 0.0156
147 0.0305 0.0146 0.0159
148 0.0307 0.0147 0.0160
149 0.0311 0.0149 0.0162
150 0.0313 0.0150 0.0163
151 0.0318 0.0153 0.0165
152 0.0320 0.0154 0.0167
153 0.0325 0.0156 0.0169
154 0.0328 0.0157 0.0170
155 0.0333 0.0160 0.0173
156 0.0336 0.0161 0.0174
157 0.0341 0.0164 0.0177
158 0.0344 0.0165 0.0179
159 0.0350 0.0168 0.0182
160 0.0353 0.0170 0.0184
161 0.0360 0.0173 0.0187
162 0.0364 0.0175 0.0189
163 0.0371 0.0178 0.0193
164 0.0375 0.0180 0.0195
165 0.0383 0.0184 0.0199
166 0.0387 0.0186 0.0201
167 0.0396 0.0190 0.0206
168 0.0401 0.0192 0.0209
169 0.0395 0.0190 0.0206
170 0.0401 0.0192 0.0208
171 0.0412 0.0198 0.0214
172 0.0419 0.0201 0.0218
173 0.0432 0.0207 0.0225
174 0.0439 0.0211 0.0228
175 0.0455 0.0218 0.0236
176 0.0463 0.0222 0.0241
177 0.0481 0.0231 0.0250
178 0.0491 0.0236 0.0255
179 0.0514 0.0247 0.0267
180 0.0526 0.0252 0.0273
181 0.0554 0.0266 0.0288
182 0.0569 0.0273 0.0296
183 0.0606 0.0291 0.0315
184 0.0626 0.0301 0.0326
185 0.0788 0.0378 0.0410
186 0.0817 0.0392 0.0425
187 0.0886 0.0425 0.0461
188 0.0931 0.0433 0.0497
189 0.0905 0.0433 0.0472
190 0.0997 0.0433 0.0563
191 0.1320 0.0433 0.0887
192 0.1700 0.0433 0.1266
193 0.3865 0.0433 0.3432
194 0.1123 0.0433 0.0690
195 0.0983 0.0433 0.0549
Meyers Creek –Upper Tributary A 2024

Page 8 of 18 ends

196 0.0848 0.0407 0.0441
197 0.0650 0.0312 0.0338
198 0.0587 0.0282 0.0305
199 0.0539 0.0259 0.0280
200 0.0502 0.0241 0.0261
201 0.0472 0.0226 0.0245
202 0.0447 0.0214 0.0232
203 0.0425 0.0204 0.0221
204 0.0407 0.0195 0.0211
205 0.0406 0.0195 0.0211
206 0.0392 0.0188 0.0204
207 0.0379 0.0182 0.0197
208 0.0367 0.0176 0.0191
209 0.0357 0.0171 0.0186
210 0.0347 0.0167 0.0181
211 0.0338 0.0162 0.0176
212 0.0330 0.0158 0.0172
213 0.0323 0.0155 0.0168
214 0.0316 0.0151 0.0164
215 0.0309 0.0148 0.0161
216 0.0303 0.0145 0.0158
217 0.0273 0.0131 0.0142
218 0.0268 0.0129 0.0139
219 0.0263 0.0126 0.0137
220 0.0258 0.0124 0.0134
221 0.0253 0.0122 0.0132
222 0.0249 0.0119 0.0129
223 0.0245 0.0117 0.0127
224 0.0241 0.0116 0.0125
225 0.0237 0.0114 0.0123
226 0.0233 0.0112 0.0121
227 0.0230 0.0110 0.0120
228 0.0227 0.0109 0.0118
229 0.0224 0.0107 0.0116
230 0.0221 0.0106 0.0115
231 0.0218 0.0104 0.0113
232 0.0215 0.0103 0.0112
233 0.0212 0.0102 0.0110
234 0.0210 0.0101 0.0109
235 0.0207 0.0099 0.0108
236 0.0205 0.0098 0.0106
237 0.0202 0.0097 0.0105
238 0.0200 0.0096 0.0104
239 0.0198 0.0095 0.0103
240 0.0196 0.0094 0.0102
241 0.0194 0.0093 0.0101
242 0.0192 0.0092 0.0100
243 0.0190 0.0091 0.0099
244 0.0188 0.0090 0.0098
245 0.0186 0.0089 0.0097
Meyers Creek –Upper Tributary A 2024

Page 9 of 18 ends

246 0.0184 0.0089 0.0096
247 0.0183 0.0088 0.0095
248 0.0181 0.0087 0.0094
249 0.0180 0.0086 0.0093
250 0.0178 0.0085 0.0093
251 0.0176 0.0085 0.0092
252 0.0175 0.0084 0.0091
253 0.0173 0.0083 0.0090
254 0.0172 0.0083 0.0089
255 0.0171 0.0082 0.0089
256 0.0169 0.0081 0.0088
257 0.0168 0.0081 0.0087
258 0.0167 0.0080 0.0087
259 0.0165 0.0079 0.0086
260 0.0164 0.0079 0.0085
261 0.0163 0.0078 0.0085
262 0.0162 0.0078 0.0084
263 0.0161 0.0077 0.0084
264 0.0160 0.0077 0.0083
265 0.0158 0.0076 0.0082
266 0.0157 0.0076 0.0082
267 0.0156 0.0075 0.0081
268 0.0155 0.0075 0.0081
269 0.0154 0.0074 0.0080
270 0.0153 0.0074 0.0080
271 0.0152 0.0073 0.0079
272 0.0151 0.0073 0.0079
273 0.0150 0.0072 0.0078
274 0.0149 0.0072 0.0078
275 0.0149 0.0071 0.0077
276 0.0148 0.0071 0.0077
277 0.0147 0.0070 0.0076
278 0.0146 0.0070 0.0076
279 0.0145 0.0070 0.0075
280 0.0144 0.0069 0.0075
281 0.0143 0.0069 0.0075
282 0.0143 0.0068 0.0074
283 0.0142 0.0068 0.0074
284 0.0141 0.0068 0.0073
285 0.0140 0.0067 0.0073
286 0.0139 0.0067 0.0073
287 0.0139 0.0067 0.0072
288 0.0138 0.0066 0.0072
TOTAL STORM RAINFALL(INCHES) = 7.89
TOTAL SOIL-LOSS(INCHES) = 3.57
TOTAL EFFECTIVE RAINFALL(INCHES) = 4.32
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 55.2784
Meyers Creek –Upper Tributary A 2024

Page 10 of 18 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 66.9820
---------------------------------------------------------------------------- Meyers Creek –Upper Tributary A 2024

Page 11 of 18 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 75.0 150.0 225.0 300.0
----------------------------------------------------------------------------

0.083 0.0029 0.42 Q . . . .

0.167 0.0158 1.88 Q . . . .

0.250 0.0473 4.57 Q . . . .

0.333 0.1010 7.79 VQ . . . .

0.417 0.1699 10.01 VQ . . . .

0.500 0.2479 11.33 VQ . . . .

0.583 0.3321 12.22 VQ . . . .

0.667 0.4208 12.88 VQ . . . .

0.750 0.5132 13.42 VQ . . . .

0.833 0.6087 13.87 VQ . . . .

0.917 0.7068 14.24 VQ . . . .

1.000 0.8070 14.55 VQ . . . .

1.083 0.9092 14.84 VQ . . . .

1.167 1.0132 15.09 V Q . . . .

1.250 1.1186 15.31 V Q . . . .

1.333 1.2255 15.52 V Q . . . .

1.417 1.3337 15.70 V Q . . . .

1.500 1.4430 15.88 V Q . . . .

1.583 1.5535 16.04 V Q . . . .

1.667 1.6649 16.17 V Q . . . .

1.750 1.7772 16.31 .VQ . . . .

1.833 1.8904 16.44 .VQ . . . .

1.917 2.0042 16.53 .VQ . . . .

2.000 2.1186 16.61 .VQ . . . .

2.083 2.2336 16.69 .VQ . . . .

2.167 2.3491 16.77 .VQ . . . .

2.250 2.4652 16.86 .VQ . . . .

2.333 2.5819 16.94 .VQ . . . .

2.417 2.6991 17.02 .VQ . . . .

2.500 2.8169 17.10 .VQ . . . .

2.583 2.9353 17.19 .VQ . . . .

2.667 3.0542 17.27 .VQ . . . .

2.750 3.1735 17.33 .VQ . . . .

2.833 3.2932 17.38 .VQ . . . .

2.917 3.4133 17.43 . Q . . . .

3.000 3.5338 17.49 . Q . . . .

3.083 3.6546 17.54 . Q . . . .

3.167 3.7758 17.60 . Q . . . .

3.250 3.8973 17.65 . Q . . . .

Meyers Creek –Upper Tributary A 2024

Page 12 of 18 ends

3.333 4.0193 17.71 . Q . . . .

3.417 4.1416 17.76 . Q . . . .

3.500 4.2644 17.82 . Q . . . .

3.583 4.3875 17.88 . Q . . . .

3.667 4.5110 17.94 . Q . . . .

3.750 4.6349 17.99 . Q . . . .

3.833 4.7593 18.05 . Q . . . .

3.917 4.8840 18.11 . Q . . . .

4.000 5.0092 18.17 . Q . . . .

4.083 5.1347 18.23 . QV . . . .

4.167 5.2607 18.29 . QV . . . .

4.250 5.3872 18.36 . QV . . . .

4.333 5.5140 18.42 . QV . . . .

4.417 5.6413 18.48 . QV . . . .

4.500 5.7690 18.55 . QV . . . .

4.583 5.8972 18.61 . QV . . . .

4.667 6.0258 18.68 . QV . . . .

4.750 6.1549 18.74 . QV . . . .

4.833 6.2844 18.81 . QV . . . .

4.917 6.4144 18.88 . QV . . . .

5.000 6.5449 18.94 . QV . . . .

5.083 6.6758 19.01 . QV . . . .

5.167 6.8072 19.08 . Q V . . . .

5.250 6.9391 19.15 . Q V . . . .

5.333 7.0715 19.22 . Q V . . . .

5.417 7.2044 19.29 . Q V . . . .

5.500 7.3378 19.37 . Q V . . . .

5.583 7.4717 19.44 . Q V . . . .

5.667 7.6061 19.52 . Q V . . . .

5.750 7.7410 19.59 . Q V . . . .

5.833 7.8764 19.67 . Q V . . . .

5.917 8.0124 19.74 . Q V . . . .

6.000 8.1489 19.82 . Q V . . . .

6.083 8.2860 19.90 . Q V . . . .

6.167 8.4236 19.98 . Q V . . . .

6.250 8.5618 20.06 . Q V . . . .

6.333 8.7005 20.14 . Q V . . . .

6.417 8.8398 20.23 . Q V . . . .

6.500 8.9797 20.31 . Q V . . . .

6.583 9.1201 20.39 . Q V . . . .

6.667 9.2612 20.48 . Q V . . . .

6.750 9.4028 20.57 . Q V . . . .

6.833 9.5451 20.66 . Q V . . . .

6.917 9.6880 20.75 . Q V . . . .

7.000 9.8315 20.84 . Q V . . . .

7.083 9.9756 20.93 . Q V . . . .

7.167 10.1204 21.02 . Q V . . . .

7.250 10.2658 21.11 . Q V . . . .

7.333 10.4119 21.21 . Q V . . . .

7.417 10.5586 21.31 . Q V . . . .

Meyers Creek –Upper Tributary A 2024

Page 13 of 18 ends

7.500 10.7061 21.41 . Q V . . . .

7.583 10.8542 21.51 . Q V . . . .

7.667 11.0030 21.61 . Q V . . . .

7.750 11.1525 21.71 . Q V . . . .

7.833 11.3027 21.81 . Q V . . . .

7.917 11.4536 21.92 . Q V . . . .

8.000 11.6053 22.02 . Q V . . . .

8.083 11.7578 22.13 . Q V . . . .

8.167 11.9110 22.24 . Q V . . . .

8.250 12.0649 22.35 . Q V . . . .

8.333 12.2197 22.47 . Q V . . . .

8.417 12.3752 22.58 . Q V . . . .

8.500 12.5315 22.70 . Q V . . . .

8.583 12.6887 22.82 . Q V . . . .

8.667 12.8467 22.94 . Q V . . . .

8.750 13.0055 23.06 . Q V . . . .

8.833 13.1652 23.19 . Q V . . . .

8.917 13.3258 23.31 . Q V . . . .

9.000 13.4873 23.44 . Q V . . . .

9.083 13.6496 23.58 . Q V . . . .

9.167 13.8129 23.71 . Q V . . . .

9.250 13.9771 23.84 . Q V . . . .

9.333 14.1423 23.98 . Q V . . . .

9.417 14.3084 24.12 . Q V . . . .

9.500 14.4756 24.27 . Q V . . . .

9.583 14.6437 24.41 . Q V . . . .

9.667 14.8128 24.56 . Q V . . . .

9.750 14.9830 24.71 . Q V . . . .

9.833 15.1542 24.86 . Q V. . . .

9.917 15.3266 25.02 . Q V. . . .

10.000 15.5000 25.18 . Q V. . . .

10.083 15.6745 25.34 . Q V. . . .

10.167 15.8502 25.51 . Q V. . . .

10.250 16.0271 25.68 . Q V. . . .

10.333 16.2051 25.85 . Q V. . . .

10.417 16.3844 26.03 . Q V. . . .

10.500 16.5649 26.21 . Q V. . . .

10.583 16.7466 26.39 . Q V . . .

10.667 16.9297 26.58 . Q V . . .

10.750 17.1141 26.77 . Q V . . .

10.833 17.2998 26.97 . Q V . . .

10.917 17.4869 27.17 . Q V . . .

11.000 17.6755 27.37 . Q V . . .

11.083 17.8654 27.58 . Q V . . .

11.167 18.0569 27.80 . Q V . . .

11.250 18.2499 28.02 . Q V . . .

11.333 18.4444 28.24 . Q .V . . .

11.417 18.6405 28.48 . Q .V . . .

11.500 18.8382 28.71 . Q .V . . .

11.583 19.0377 28.95 . Q .V . . .

Meyers Creek –Upper Tributary A 2024

Page 14 of 18 ends

11.667 19.2388 29.20 . Q .V . . .

11.750 19.4417 29.46 . Q .V . . .

11.833 19.6464 29.72 . Q .V . . .

11.917 19.8529 29.99 . Q .V . . .

12.000 20.0614 30.27 . Q .V . . .

12.083 20.2723 30.63 . Q . V . . .

12.167 20.4870 31.17 . Q . V . . .

12.250 20.7070 31.94 . Q . V . . .

12.333 20.9329 32.81 . Q . V . . .

12.417 21.1637 33.51 . Q . V . . .

12.500 21.3983 34.06 . Q . V . . .

12.583 21.6362 34.55 . Q . V . . .

12.667 21.8773 35.01 . Q . V . . .

12.750 22.1215 35.46 . Q . V . . .

12.833 22.3688 35.90 . Q . V . . .

12.917 22.6191 36.34 . Q . V . . .

13.000 22.8725 36.79 . Q . V . . .

13.083 23.1290 37.25 . Q . V . . .

13.167 23.3888 37.72 . Q . V . . .

13.250 23.6518 38.19 . Q . V . . .

13.333 23.9182 38.68 . Q . V . . .

13.417 24.1881 39.19 . Q . V . . .

13.500 24.4616 39.71 . Q . V . . .

13.583 24.7388 40.25 . Q . V . . .

13.667 25.0199 40.81 . Q . V . . .

13.750 25.3050 41.40 . Q . V . . .

13.833 25.5943 42.01 . Q . V . . .

13.917 25.8880 42.64 . Q . V . . .

14.000 26.1863 43.31 . Q . V . . .

14.083 26.4890 43.95 . Q . V . . .

14.167 26.7956 44.52 . Q . V . . .

14.250 27.1054 44.99 . Q . V . . .

14.333 27.4184 45.44 . Q . V . . .

14.417 27.7356 46.06 . Q . V . . .

14.500 28.0582 46.84 . Q . V . . .

14.583 28.3869 47.73 . Q . V . . .

14.667 28.7225 48.72 . Q . V . . .

14.750 29.0654 49.80 . Q . V . . .

14.833 29.4165 50.97 . Q . V . . .

14.917 29.7764 52.25 . Q . V . . .

15.000 30.1460 53.67 . Q . V . . .

15.083 30.5262 55.21 . Q . V . . .

15.167 30.9183 56.93 . Q . V . . .

15.250 31.3235 58.84 . Q . V . . .

15.333 31.7435 60.98 . Q . V . . .

15.417 32.1825 63.75 . Q . V. . .

15.500 32.6489 67.72 . Q. V. . .

15.583 33.1524 73.11 . Q. V. . .

15.667 33.7004 79.56 . Q V . .

15.750 34.2899 85.60 . .Q V . .

Meyers Creek –Upper Tributary A 2024

Page 15 of 18 ends

15.833 34.9182 91.22 . . Q V . .

15.917 35.5971 98.58 . . Q .V . .

16.000 36.3743 112.85 . . Q .V . .

16.083 37.4142 150.99 . . Q V . .

16.167 38.8725 211.74 . . . V Q . .

16.250 40.7049 266.07 . . . V . Q .

16.333 42.6062 276.07 . . . V . Q .

16.417 44.1499 224.14 . . . V Q. .

16.500 45.3525 174.62 . . . Q V . .

16.583 46.3451 144.13 . . Q. V . .

16.667 47.1958 123.52 . . Q . V . .

16.750 47.9469 109.05 . . Q . V . .

16.833 48.6252 98.50 . . Q . V. .

16.917 49.2427 89.66 . .Q . V. .

17.000 49.8109 82.51 . .Q . V. .

17.083 50.3430 77.26 . Q . V .

17.167 50.8407 72.26 . Q. . V .

17.250 51.3101 68.16 . Q. . V .

17.333 51.7581 65.05 . Q . . V .

17.417 52.1834 61.76 . Q . . .V .

17.500 52.5903 59.08 . Q . . .V .

17.583 52.9776 56.23 . Q . . .V .

17.667 53.3451 53.36 . Q . . .V .

17.750 53.6996 51.48 . Q . . . V .

17.833 54.0403 49.47 . Q . . . V .

17.917 54.3602 46.44 . Q . . . V .

18.000 54.6660 44.41 . Q . . . V .

18.083 54.9627 43.08 . Q . . . V .

18.167 55.2499 41.70 . Q . . . V .

18.250 55.5270 40.24 . Q . . . V .

18.333 55.7939 38.74 . Q . . . V .

18.417 56.0521 37.49 . Q . . . V .

18.500 56.3029 36.42 . Q . . . V .

18.583 56.5463 35.34 . Q . . . V .

18.667 56.7816 34.17 . Q . . . V .

18.750 57.0038 32.26 . Q . . . V .

18.833 57.2183 31.15 . Q . . . V .

18.917 57.4276 30.39 . Q . . . V .

19.000 57.6324 29.73 . Q . . . V .

19.083 57.8330 29.13 . Q . . . V .

19.167 58.0299 28.59 . Q . . . V .

19.250 58.2233 28.09 . Q . . . V .

19.333 58.4135 27.61 . Q . . . V .

19.417 58.6005 27.16 . Q . . . V .

19.500 58.7847 26.74 . Q . . . V .

19.583 58.9661 26.33 . Q . . . V .

19.667 59.1448 25.95 . Q . . . V .

19.750 59.3210 25.59 . Q . . . V .

19.833 59.4948 25.24 . Q . . . V .

19.917 59.6664 24.90 . Q . . . V .

Meyers Creek –Upper Tributary A 2024

Page 16 of 18 ends

20.000 59.8357 24.59 . Q . . . V .

20.083 60.0029 24.28 . Q . . . V .

20.167 60.1681 23.99 . Q . . . V .

20.250 60.3314 23.71 . Q . . . V .

20.333 60.4928 23.43 . Q . . . V .

20.417 60.6524 23.17 . Q . . . V .

20.500 60.8102 22.91 . Q . . . V .

20.583 60.9663 22.67 . Q . . . V .

20.667 61.1207 22.43 . Q . . . V .

20.750 61.2736 22.20 . Q . . . V .

20.833 61.4250 21.98 . Q . . . V .

20.917 61.5749 21.77 . Q . . . V .

21.000 61.7233 21.56 . Q . . . V .

21.083 61.8704 21.36 . Q . . . V .

21.167 62.0162 21.16 . Q . . . V .

21.250 62.1606 20.97 . Q . . . V .

21.333 62.3037 20.79 . Q . . . V .

21.417 62.4457 20.61 . Q . . . V .

21.500 62.5864 20.43 . Q . . . V .

21.583 62.7259 20.26 . Q . . . V .

21.667 62.8643 20.09 . Q . . . V .

21.750 63.0016 19.93 . Q . . . V .

21.833 63.1377 19.77 . Q . . . V .

21.917 63.2728 19.62 . Q . . . V .

22.000 63.4069 19.47 . Q . . . V .

22.083 63.5400 19.32 . Q . . . V .

22.167 63.6720 19.17 . Q . . . V .

22.250 63.8031 19.03 . Q . . . V .

22.333 63.9332 18.90 . Q . . . V .

22.417 64.0624 18.76 . Q . . . V .

22.500 64.1907 18.63 . Q . . . V .

22.583 64.3181 18.50 . Q . . . V .

22.667 64.4446 18.37 . Q . . . V .

22.750 64.5703 18.25 . Q . . . V .

22.833 64.6952 18.13 . Q . . . V .

22.917 64.8192 18.01 . Q . . . V .

23.000 64.9424 17.89 . Q . . . V .

23.083 65.0648 17.78 . Q . . . V .

23.167 65.1865 17.66 . Q . . . V .

23.250 65.3074 17.55 . Q . . . V .

23.333 65.4275 17.45 . Q . . . V.

23.417 65.5469 17.34 . Q . . . V.

23.500 65.6656 17.23 . Q . . . V.

23.583 65.7836 17.13 . Q . . . V.

23.667 65.9009 17.03 . Q . . . V.

23.750 66.0175 16.93 . Q . . . V.

23.833 66.1335 16.84 . Q . . . V.

23.917 66.2488 16.74 . Q . . . V.

24.000 66.3634 16.65 . Q . . . V.

24.083 66.4745 16.13 . Q . . . V.

Meyers Creek –Upper Tributary A 2024

Page 17 of 18 ends

24.167 66.5750 14.59 .Q . . . V.

24.250 66.6565 11.83 .Q . . . V.

24.333 66.7155 8.56 .Q . . . V.

24.417 66.7589 6.31 Q . . . V.

24.500 66.7933 4.99 Q . . . V.

24.583 66.8216 4.11 Q . . . V.

24.667 66.8454 3.45 Q . . . V.

24.750 66.8656 2.93 Q . . . V.

24.833 66.8828 2.50 Q . . . V.

24.917 66.8976 2.15 Q . . . V.

25.000 66.9105 1.87 Q . . . V.

25.083 66.9216 1.61 Q . . . V.

25.167 66.9311 1.39 Q . . . V.

25.250 66.9394 1.20 Q . . . V.

25.333 66.9465 1.03 Q . . . V.

25.417 66.9526 0.88 Q . . . V.

25.500 66.9577 0.75 Q . . . V.

25.583 66.9621 0.63 Q . . . V.

25.667 66.9658 0.54 Q . . . V.

25.750 66.9688 0.45 Q . . . V.

25.833 66.9713 0.36 Q . . . V.

25.917 66.9734 0.31 Q . . . V.

26.000 66.9753 0.27 Q . . . V.

26.083 66.9769 0.24 Q . . . V.

26.167 66.9783 0.21 Q . . . V.

26.250 66.9795 0.17 Q . . . V.

26.333 66.9805 0.14 Q . . . V.

26.417 66.9812 0.11 Q . . . V.

26.500 66.9817 0.07 Q . . . V.

26.583 66.9820 0.04 Q . . . V.

26.667 66.9820 0.01 Q . . . V.
-------------------------------------------------------------------------------- TIME DURATION(minutes) OF PERCENTILES OF ESTIMATED PEAK FLOW RATE:
(Note: 100% of Peak Flow Rate estimate assumed to have
an instantaneous time duration)
Percentile of Estimated Duration
Peak Flow Rate (minutes)
======================= =========
0% 1600.0
10% 495.0
20% 150.0
30% 75.0
40% 45.0
50% 35.0
60% 25.0
70% 20.0
80% 15.0
90% 10.0
============================================================================ Meyers Creek –Upper Tributary A 2024

Page 18 of 18 ends

END OF FLOODSCx ROUTING ANALYSIS
10YR-FUTURE-UPPERTRIB-B-SAUH.docx Page 1 of 18
____________________________________________________________________________ ****************************************************************************

************************** DESCRIPTION OF STUDY ************************** * HYDROLOGY STUDY - MEYERS CREEK *
* SAUH - 10YR - SUBAREA B *
* *
************************************************************************** FILE NAME: UTB10.DAT
TIME/DATE OF STUDY: 14:51 07/23/2024
**************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 9411.000 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 5122.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2360.000 FEET
BASIN FACTOR = 0.040
WATERSHED AREA = 341.000 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.302 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

VALLEY(UNDEVELOPED)/DESERT S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.310
LOW LOSS FRACTION = 0.240
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.39
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 1.00
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.53
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.70
SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 3.94
SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 7.89
Meyers Creek – Upper Tributary B 2024

Page 2 of 18 ends

*USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS:
5-MINUTE FACTOR = 0.991
30-MINUTE FACTOR = 0.991
1-HOUR FACTOR = 0.991
3-HOUR FACTOR = 0.999
6-HOUR FACTOR = 0.999
24-HOUR FACTOR = 1.000
UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES
UNIT INTERVAL PERCENTAGE OF LAG-TIME = 27.628
============================================================================

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

NUMBER MEAN VALUES ORDINATES(CFS)
---------------------------------------------------------------------------- 1 2.569 105.965
2 11.386 363.604
3 27.633 670.016
4 47.383 814.493
5 61.333 575.256
6 69.496 336.673
7 74.949 224.864
8 78.932 164.241
9 82.074 129.576
10 84.663 106.801
11 86.787 87.590
12 88.514 71.225
13 90.080 64.559
14 91.394 54.195
15 92.541 47.294
16 93.563 42.174
17 94.466 37.236
18 95.279 33.510
19 96.040 31.379
20 96.597 22.974
21 97.133 22.122
22 97.670 22.122
23 98.074 16.665
24 98.275 8.280
25 98.473 8.175
26 98.671 8.175
27 98.869 8.180
28 99.067 8.169
29 99.266 8.169
30 99.464 8.169
Meyers Creek – Upper Tributary B 2024

Page 3 of 18 ends

31 99.662 8.169
32 99.860 8.169
33 100.000 5.780
Meyers Creek – Upper Tributary B 2024

Page 4 of 18 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

PERIOD RAINFALL SOIL-LOSS RAINFALL
(NUMBER) (INCHES) (INCHES) (INCHES)
---------------------------------------------------------------------------- 1 0.0138 0.0033 0.0105
2 0.0138 0.0033 0.0105
3 0.0138 0.0033 0.0105
4 0.0139 0.0033 0.0105
5 0.0139 0.0033 0.0106
6 0.0139 0.0033 0.0106
7 0.0140 0.0034 0.0106
8 0.0140 0.0034 0.0106
9 0.0141 0.0034 0.0107
10 0.0141 0.0034 0.0107
11 0.0141 0.0034 0.0107
12 0.0142 0.0034 0.0108
13 0.0142 0.0034 0.0108
14 0.0142 0.0034 0.0108
15 0.0143 0.0034 0.0109
16 0.0143 0.0034 0.0109
17 0.0144 0.0034 0.0109
18 0.0144 0.0035 0.0109
19 0.0144 0.0035 0.0110
20 0.0145 0.0035 0.0110
21 0.0145 0.0035 0.0110
22 0.0146 0.0035 0.0111
23 0.0146 0.0035 0.0111
24 0.0146 0.0035 0.0111
25 0.0147 0.0035 0.0112
26 0.0147 0.0035 0.0112
27 0.0148 0.0035 0.0112
28 0.0148 0.0036 0.0113
29 0.0149 0.0036 0.0113
30 0.0149 0.0036 0.0113
31 0.0150 0.0036 0.0114
32 0.0150 0.0036 0.0114
33 0.0151 0.0036 0.0114
34 0.0151 0.0036 0.0115
35 0.0152 0.0036 0.0115
36 0.0152 0.0036 0.0115
37 0.0153 0.0037 0.0116
38 0.0153 0.0037 0.0116
39 0.0154 0.0037 0.0117
40 0.0154 0.0037 0.0117
41 0.0155 0.0037 0.0117
42 0.0155 0.0037 0.0118
43 0.0156 0.0037 0.0118
44 0.0156 0.0037 0.0119
45 0.0157 0.0038 0.0119
Meyers Creek – Upper Tributary B 2024

Page 5 of 18 ends

46 0.0157 0.0038 0.0119
47 0.0158 0.0038 0.0120
48 0.0158 0.0038 0.0120
49 0.0159 0.0038 0.0121
50 0.0159 0.0038 0.0121
51 0.0160 0.0038 0.0122
52 0.0160 0.0038 0.0122
53 0.0161 0.0039 0.0122
54 0.0161 0.0039 0.0123
55 0.0162 0.0039 0.0123
56 0.0163 0.0039 0.0124
57 0.0163 0.0039 0.0124
58 0.0164 0.0039 0.0124
59 0.0165 0.0040 0.0125
60 0.0165 0.0040 0.0125
61 0.0166 0.0040 0.0126
62 0.0166 0.0040 0.0126
63 0.0167 0.0040 0.0127
64 0.0168 0.0040 0.0127
65 0.0168 0.0040 0.0128
66 0.0169 0.0041 0.0128
67 0.0170 0.0041 0.0129
68 0.0170 0.0041 0.0129
69 0.0171 0.0041 0.0130
70 0.0172 0.0041 0.0130
71 0.0173 0.0041 0.0131
72 0.0173 0.0042 0.0131
73 0.0174 0.0042 0.0132
74 0.0174 0.0042 0.0133
75 0.0175 0.0042 0.0133
76 0.0176 0.0042 0.0134
77 0.0177 0.0042 0.0134
78 0.0177 0.0043 0.0135
79 0.0178 0.0043 0.0136
80 0.0179 0.0043 0.0136
81 0.0180 0.0043 0.0137
82 0.0181 0.0043 0.0137
83 0.0182 0.0044 0.0138
84 0.0182 0.0044 0.0138
85 0.0183 0.0044 0.0139
86 0.0184 0.0044 0.0140
87 0.0185 0.0044 0.0141
88 0.0186 0.0045 0.0141
89 0.0187 0.0045 0.0142
90 0.0187 0.0045 0.0142
91 0.0189 0.0045 0.0143
92 0.0189 0.0045 0.0144
93 0.0191 0.0046 0.0145
94 0.0191 0.0046 0.0145
95 0.0192 0.0046 0.0146
Meyers Creek – Upper Tributary B 2024

Page 6 of 18 ends

96 0.0193 0.0046 0.0147
97 0.0194 0.0047 0.0148
98 0.0195 0.0047 0.0148
99 0.0197 0.0047 0.0149
100 0.0197 0.0047 0.0150
101 0.0199 0.0048 0.0151
102 0.0199 0.0048 0.0152
103 0.0201 0.0048 0.0153
104 0.0202 0.0048 0.0153
105 0.0203 0.0049 0.0154
106 0.0204 0.0049 0.0155
107 0.0205 0.0049 0.0156
108 0.0206 0.0050 0.0157
109 0.0208 0.0050 0.0158
110 0.0209 0.0050 0.0159
111 0.0210 0.0051 0.0160
112 0.0211 0.0051 0.0161
113 0.0213 0.0051 0.0162
114 0.0214 0.0051 0.0163
115 0.0216 0.0052 0.0164
116 0.0217 0.0052 0.0165
117 0.0219 0.0052 0.0166
118 0.0220 0.0053 0.0167
119 0.0222 0.0053 0.0168
120 0.0223 0.0053 0.0169
121 0.0225 0.0054 0.0171
122 0.0226 0.0054 0.0171
123 0.0228 0.0055 0.0173
124 0.0229 0.0055 0.0174
125 0.0231 0.0055 0.0176
126 0.0232 0.0056 0.0177
127 0.0235 0.0056 0.0178
128 0.0236 0.0057 0.0179
129 0.0238 0.0057 0.0181
130 0.0239 0.0057 0.0182
131 0.0242 0.0058 0.0184
132 0.0243 0.0058 0.0185
133 0.0246 0.0059 0.0187
134 0.0247 0.0059 0.0188
135 0.0250 0.0060 0.0190
136 0.0252 0.0060 0.0191
137 0.0255 0.0061 0.0194
138 0.0256 0.0061 0.0195
139 0.0259 0.0062 0.0197
140 0.0261 0.0063 0.0198
141 0.0264 0.0063 0.0201
142 0.0266 0.0064 0.0202
143 0.0270 0.0065 0.0205
144 0.0271 0.0065 0.0206
145 0.0299 0.0072 0.0227
Meyers Creek – Upper Tributary B 2024

Page 7 of 18 ends

146 0.0301 0.0072 0.0229
147 0.0305 0.0073 0.0232
148 0.0307 0.0074 0.0233
149 0.0311 0.0075 0.0236
150 0.0313 0.0075 0.0238
151 0.0318 0.0076 0.0242
152 0.0320 0.0077 0.0243
153 0.0325 0.0078 0.0247
154 0.0328 0.0079 0.0249
155 0.0333 0.0080 0.0253
156 0.0336 0.0081 0.0255
157 0.0341 0.0082 0.0259
158 0.0344 0.0083 0.0262
159 0.0350 0.0084 0.0266
160 0.0353 0.0085 0.0269
161 0.0360 0.0086 0.0274
162 0.0364 0.0087 0.0276
163 0.0371 0.0089 0.0282
164 0.0375 0.0090 0.0285
165 0.0383 0.0092 0.0291
166 0.0387 0.0093 0.0294
167 0.0396 0.0095 0.0301
168 0.0401 0.0096 0.0305
169 0.0395 0.0095 0.0301
170 0.0401 0.0096 0.0305
171 0.0412 0.0099 0.0313
172 0.0419 0.0100 0.0318
173 0.0432 0.0104 0.0328
174 0.0439 0.0105 0.0334
175 0.0455 0.0109 0.0345
176 0.0463 0.0111 0.0352
177 0.0481 0.0115 0.0366
178 0.0491 0.0118 0.0373
179 0.0514 0.0123 0.0390
180 0.0526 0.0126 0.0400
181 0.0554 0.0133 0.0421
182 0.0569 0.0137 0.0433
183 0.0606 0.0145 0.0460
184 0.0626 0.0150 0.0476
185 0.0788 0.0189 0.0599
186 0.0817 0.0196 0.0621
187 0.0886 0.0213 0.0673
188 0.0931 0.0223 0.0707
189 0.0905 0.0217 0.0688
190 0.0997 0.0239 0.0757
191 0.1320 0.0258 0.1062
192 0.1700 0.0258 0.1441
193 0.3865 0.0258 0.3607
194 0.1123 0.0258 0.0865
195 0.0983 0.0236 0.0747
Meyers Creek – Upper Tributary B 2024

Page 8 of 18 ends

196 0.0848 0.0204 0.0645
197 0.0650 0.0156 0.0494
198 0.0587 0.0141 0.0446
199 0.0539 0.0129 0.0410
200 0.0502 0.0120 0.0382
201 0.0472 0.0113 0.0359
202 0.0447 0.0107 0.0339
203 0.0425 0.0102 0.0323
204 0.0407 0.0098 0.0309
205 0.0406 0.0097 0.0309
206 0.0392 0.0094 0.0298
207 0.0379 0.0091 0.0288
208 0.0367 0.0088 0.0279
209 0.0357 0.0086 0.0271
210 0.0347 0.0083 0.0264
211 0.0338 0.0081 0.0257
212 0.0330 0.0079 0.0251
213 0.0323 0.0077 0.0245
214 0.0316 0.0076 0.0240
215 0.0309 0.0074 0.0235
216 0.0303 0.0073 0.0230
217 0.0273 0.0066 0.0208
218 0.0268 0.0064 0.0204
219 0.0263 0.0063 0.0200
220 0.0258 0.0062 0.0196
221 0.0253 0.0061 0.0192
222 0.0249 0.0060 0.0189
223 0.0245 0.0059 0.0186
224 0.0241 0.0058 0.0183
225 0.0237 0.0057 0.0180
226 0.0233 0.0056 0.0177
227 0.0230 0.0055 0.0175
228 0.0227 0.0054 0.0172
229 0.0224 0.0054 0.0170
230 0.0221 0.0053 0.0168
231 0.0218 0.0052 0.0165
232 0.0215 0.0052 0.0163
233 0.0212 0.0051 0.0161
234 0.0210 0.0050 0.0159
235 0.0207 0.0050 0.0157
236 0.0205 0.0049 0.0156
237 0.0202 0.0049 0.0154
238 0.0200 0.0048 0.0152
239 0.0198 0.0048 0.0150
240 0.0196 0.0047 0.0149
241 0.0194 0.0047 0.0147
242 0.0192 0.0046 0.0146
243 0.0190 0.0046 0.0144
244 0.0188 0.0045 0.0143
245 0.0186 0.0045 0.0142
Meyers Creek – Upper Tributary B 2024

Page 9 of 18 ends

246 0.0184 0.0044 0.0140
247 0.0183 0.0044 0.0139
248 0.0181 0.0043 0.0138
249 0.0180 0.0043 0.0136
250 0.0178 0.0043 0.0135
251 0.0176 0.0042 0.0134
252 0.0175 0.0042 0.0133
253 0.0173 0.0042 0.0132
254 0.0172 0.0041 0.0131
255 0.0171 0.0041 0.0130
256 0.0169 0.0041 0.0129
257 0.0168 0.0040 0.0128
258 0.0167 0.0040 0.0127
259 0.0165 0.0040 0.0126
260 0.0164 0.0039 0.0125
261 0.0163 0.0039 0.0124
262 0.0162 0.0039 0.0123
263 0.0161 0.0039 0.0122
264 0.0160 0.0038 0.0121
265 0.0158 0.0038 0.0120
266 0.0157 0.0038 0.0120
267 0.0156 0.0038 0.0119
268 0.0155 0.0037 0.0118
269 0.0154 0.0037 0.0117
270 0.0153 0.0037 0.0116
271 0.0152 0.0037 0.0116
272 0.0151 0.0036 0.0115
273 0.0150 0.0036 0.0114
274 0.0149 0.0036 0.0114
275 0.0149 0.0036 0.0113
276 0.0148 0.0035 0.0112
277 0.0147 0.0035 0.0112
278 0.0146 0.0035 0.0111
279 0.0145 0.0035 0.0110
280 0.0144 0.0035 0.0110
281 0.0143 0.0034 0.0109
282 0.0143 0.0034 0.0108
283 0.0142 0.0034 0.0108
284 0.0141 0.0034 0.0107
285 0.0140 0.0034 0.0107
286 0.0139 0.0033 0.0106
287 0.0139 0.0033 0.0105
288 0.0138 0.0033 0.0105
TOTAL STORM RAINFALL(INCHES) = 7.89
TOTAL SOIL-LOSS(INCHES) = 1.80
TOTAL EFFECTIVE RAINFALL(INCHES) = 6.09
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 51.2846
Meyers Creek – Upper Tributary B 2024

Page 10 of 18 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 172.8336
---------------------------------------------------------------------------- Meyers Creek – Upper Tributary B 2024

Page 11 of 18 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 150.0 300.0 450.0 600.0
----------------------------------------------------------------------------

0.083 0.0076 1.11 Q . . . .

0.167 0.0414 4.91 Q . . . .

0.250 0.1236 11.93 Q . . . .

0.333 0.2645 20.47 VQ . . . .

0.417 0.4472 26.53 VQ . . . .

0.500 0.6547 30.12 V Q . . . .

0.583 0.8788 32.55 V Q . . . .

0.667 1.1154 34.35 V Q . . . .

0.750 1.3619 35.79 V Q . . . .

0.833 1.6168 37.01 V Q . . . .

0.917 1.8786 38.02 V Q . . . .

1.000 2.1463 38.87 V Q . . . .

1.083 2.4193 39.65 V Q . . . .

1.167 2.6970 40.32 V Q . . . .

1.250 2.9789 40.93 V Q . . . .

1.333 3.2646 41.48 V Q . . . .

1.417 3.5537 41.98 V Q . . . .

1.500 3.8460 42.45 V Q . . . .

1.583 4.1415 42.89 V Q . . . .

1.667 4.4394 43.26 .VQ . . . .

1.750 4.7397 43.61 .VQ . . . .

1.833 5.0425 43.96 .VQ . . . .

1.917 5.3473 44.26 .VQ . . . .

2.000 5.6536 44.48 .VQ . . . .

2.083 5.9614 44.69 .VQ . . . .

2.167 6.2707 44.90 .VQ . . . .

2.250 6.5814 45.12 .V Q . . . .

2.333 6.8937 45.34 .V Q . . . .

2.417 7.2074 45.56 .V Q . . . .

2.500 7.5227 45.78 .V Q . . . .

2.583 7.8395 46.00 .V Q . . . .

2.667 8.1578 46.22 .V Q . . . .

2.750 8.4775 46.42 .V Q . . . .

2.833 8.7982 46.56 . VQ . . . .

2.917 9.1199 46.71 . VQ . . . .

3.000 9.4425 46.85 . VQ . . . .

3.083 9.7662 46.99 . VQ . . . .

3.167 10.0908 47.14 . VQ . . . .

3.250 10.4165 47.29 . VQ . . . .

Meyers Creek – Upper Tributary B 2024

Page 12 of 18 ends

3.333 10.7432 47.44 . VQ . . . .

3.417 11.0709 47.59 . VQ . . . .

3.500 11.3997 47.74 . VQ . . . .

3.583 11.7295 47.89 . VQ . . . .

3.667 12.0604 48.05 . VQ . . . .

3.750 12.3924 48.20 . VQ . . . .

3.833 12.7255 48.36 . VQ . . . .

3.917 13.0596 48.52 . Q . . . .

4.000 13.3949 48.68 . Q . . . .

4.083 13.7312 48.84 . Q . . . .

4.167 14.0688 49.01 . Q . . . .

4.250 14.4074 49.17 . Q . . . .

4.333 14.7472 49.34 . Q . . . .

4.417 15.0882 49.51 . Q . . . .

4.500 15.4303 49.68 . Q . . . .

4.583 15.7736 49.85 . Q . . . .

4.667 16.1182 50.03 . Q . . . .

4.750 16.4639 50.20 . Q . . . .

4.833 16.8109 50.38 . Q . . . .

4.917 17.1591 50.56 . Q . . . .

5.000 17.5086 50.74 . QV . . . .

5.083 17.8594 50.93 . QV . . . .

5.167 18.2114 51.11 . QV . . . .

5.250 18.5647 51.30 . QV . . . .

5.333 18.9194 51.49 . QV . . . .

5.417 19.2753 51.69 . QV . . . .

5.500 19.6326 51.88 . QV . . . .

5.583 19.9913 52.08 . QV . . . .

5.667 20.3513 52.28 . QV . . . .

5.750 20.7127 52.48 . QV . . . .

5.833 21.0755 52.68 . QV . . . .

5.917 21.4398 52.89 . QV . . . .

6.000 21.8055 53.10 . Q V . . . .

6.083 22.1726 53.31 . Q V . . . .

6.167 22.5412 53.52 . Q V . . . .

6.250 22.9113 53.74 . Q V . . . .

6.333 23.2829 53.96 . Q V . . . .

6.417 23.6560 54.18 . Q V . . . .

6.500 24.0307 54.40 . Q V . . . .

6.583 24.4070 54.63 . Q V . . . .

6.667 24.7848 54.86 . Q V . . . .

6.750 25.1642 55.09 . Q V . . . .

6.833 25.5453 55.33 . Q V . . . .

6.917 25.9280 55.57 . Q V . . . .

7.000 26.3124 55.81 . Q V . . . .

7.083 26.6984 56.06 . Q V . . . .

7.167 27.0862 56.31 . Q V . . . .

7.250 27.4757 56.56 . Q V . . . .

7.333 27.8670 56.81 . Q V . . . .

7.417 28.2601 57.07 . Q V . . . .

Meyers Creek – Upper Tributary B 2024

Page 13 of 18 ends

7.500 28.6549 57.34 . Q V . . . .

7.583 29.0517 57.60 . Q V . . . .

7.667 29.4502 57.87 . Q V . . . .

7.750 29.8507 58.15 . Q V . . . .

7.833 30.2531 58.42 . Q V . . . .

7.917 30.6574 58.71 . Q V . . . .

8.000 31.0637 58.99 . Q V . . . .

8.083 31.4719 59.28 . Q V . . . .

8.167 31.8823 59.58 . Q V . . . .

8.250 32.2946 59.88 . Q V . . . .

8.333 32.7091 60.18 . Q V . . . .

8.417 33.1257 60.49 . Q V . . . .

8.500 33.5445 60.80 . Q V . . . .

8.583 33.9654 61.12 . Q V . . . .

8.667 34.3886 61.45 . Q V . . . .

8.750 34.8140 61.77 . Q V . . . .

8.833 35.2418 62.11 . Q V . . . .

8.917 35.6718 62.45 . Q V . . . .

9.000 36.1043 62.79 . Q V . . . .

9.083 36.5391 63.14 . Q V . . . .

9.167 36.9765 63.50 . Q V . . . .

9.250 37.4163 63.86 . Q V . . . .

9.333 37.8587 64.23 . Q V . . . .

9.417 38.3036 64.61 . Q V . . . .

9.500 38.7512 64.99 . Q V . . . .

9.583 39.2015 65.38 . Q V. . . .

9.667 39.6545 65.78 . Q V. . . .

9.750 40.1103 66.18 . Q V. . . .

9.833 40.5689 66.59 . Q V. . . .

9.917 41.0304 67.01 . Q V. . . .

10.000 41.4949 67.44 . Q V. . . .

10.083 41.9623 67.87 . Q V. . . .

10.167 42.4329 68.32 . Q V. . . .

10.250 42.9065 68.77 . Q V. . . .

10.333 43.3833 69.24 . Q V . . .

10.417 43.8634 69.71 . Q V . . .

10.500 44.3468 70.19 . Q V . . .

10.583 44.8336 70.68 . Q V . . .

10.667 45.3238 71.18 . Q V . . .

10.750 45.8176 71.70 . Q V . . .

10.833 46.3150 72.22 . Q V . . .

10.917 46.8161 72.76 . Q V . . .

11.000 47.3210 73.31 . Q V . . .

11.083 47.8297 73.87 . Q .V . . .

11.167 48.3424 74.44 . Q .V . . .

11.250 48.8592 75.03 . Q .V . . .

11.333 49.3801 75.64 . Q .V . . .

11.417 49.9053 76.25 . Q .V . . .

11.500 50.4348 76.89 . Q .V . . .

11.583 50.9688 77.54 . Q .V . . .

Meyers Creek – Upper Tributary B 2024

Page 14 of 18 ends

11.667 51.5074 78.20 . Q .V . . .

11.750 52.0506 78.89 . Q . V . . .

11.833 52.5988 79.59 . Q . V . . .

11.917 53.1519 80.31 . Q . V . . .

12.000 53.7101 81.05 . Q . V . . .

12.083 54.2748 82.01 . Q . V . . .

12.167 54.8496 83.45 . Q . V . . .

12.250 55.4382 85.47 . Q . V . . .

12.333 56.0427 87.78 . Q . V . . .

12.417 56.6603 89.67 . Q . V . . .

12.500 57.2881 91.16 . Q . V . . .

12.583 57.9250 92.47 . Q . V . . .

12.667 58.5704 93.71 . Q . V . . .

12.750 59.2240 94.91 . Q . V . . .

12.833 59.8858 96.10 . Q . V . . .

12.917 60.5558 97.29 . Q . V . . .

13.000 61.2341 98.49 . Q . V . . .

13.083 61.9208 99.71 . Q . V . . .

13.167 62.6161 100.95 . Q . V . . .

13.250 63.3202 102.23 . Q . V . . .

13.333 64.0333 103.54 . Q . V . . .

13.417 64.7557 104.89 . Q . V . . .

13.500 65.4877 106.30 . Q . V . . .

13.583 66.2298 107.75 . Q . V . . .

13.667 66.9822 109.25 . Q . V . . .

13.750 67.7453 110.81 . Q . V . . .

13.833 68.5197 112.44 . Q . V . . .

13.917 69.3058 114.14 . Q . V . . .

14.000 70.1041 115.91 . Q . V . . .

14.083 70.9143 117.64 . Q . V . . .

14.167 71.7350 119.17 . Q . V . . .

14.250 72.5644 120.43 . Q . V . . .

14.333 73.4022 121.66 . Q . V . . .

14.417 74.2513 123.29 . Q . V . . .

14.500 75.1148 125.37 . Q . V . . .

14.583 75.9945 127.74 . Q . V . . .

14.667 76.8924 130.37 . Q . V . . .

14.750 77.8100 133.24 . Q . V . . .

14.833 78.7493 136.38 . Q. V . . .

14.917 79.7121 139.80 . Q. V . . .

15.000 80.7009 143.57 . Q. V . . .

15.083 81.7180 147.69 . Q. V . . .

15.167 82.7667 152.27 . Q V. . .

15.250 83.8503 157.34 . Q V. . .

15.333 84.9733 163.06 . Q V. . .

15.417 86.1468 170.41 . .Q V. . .

15.500 87.3928 180.91 . . Q V . .

15.583 88.7367 195.14 . . Q V . .

15.667 90.1973 212.08 . . Q V . .

15.750 91.7657 227.73 . . Q .V . .

Meyers Creek – Upper Tributary B 2024

Page 15 of 18 ends

15.833 93.4285 241.44 . . Q .V . .

15.917 95.1956 256.59 . . Q . V . .

16.000 97.1389 282.17 . . Q . V . .

16.083 99.5434 349.13 . . . Q . .

16.167 102.6870 456.44 . . . V Q .

16.250 106.5035 554.17 . . . V . Q .

16.333 110.4805 577.46 . . . V . Q .

16.417 113.8435 488.31 . . . V . Q .

16.500 116.5792 397.22 . . . Q . .

16.583 118.9120 338.72 . . . Q V . .

16.667 120.9492 295.80 . . Q. V . .

16.750 122.7732 264.85 . . Q . V . .

16.833 124.4364 241.49 . . Q . V . .

16.917 125.9664 222.16 . . Q . V. .

17.000 127.3843 205.89 . . Q . V. .

17.083 128.7183 193.70 . . Q . V. .

17.167 129.9732 182.21 . . Q . V .

17.250 131.1649 173.03 . .Q . V .

17.333 132.3034 165.31 . .Q . V .

17.417 133.3920 158.06 . Q . V .

17.500 134.4342 151.33 . Q . .V .

17.583 135.4344 145.22 . Q. . .V .

17.667 136.3863 138.22 . Q. . .V .

17.750 137.3056 133.48 . Q . . .V .

17.833 138.1933 128.90 . Q . . .V .

17.917 139.0413 123.12 . Q . . . V .

18.000 139.8492 117.32 . Q . . . V .

18.083 140.6332 113.83 . Q . . . V .

18.167 141.3918 110.15 . Q . . . V .

18.250 142.1232 106.20 . Q . . . V .

18.333 142.8272 102.22 . Q . . . V .

18.417 143.5079 98.83 . Q . . . V .

18.500 144.1690 96.00 . Q . . . V .

18.583 144.8122 93.39 . Q . . . V .

18.667 145.4370 90.71 . Q . . . V .

18.750 146.0393 87.46 . Q . . . V .

18.833 146.6161 83.74 . Q . . . V .

18.917 147.1790 81.74 . Q . . . V .

19.000 147.7295 79.92 . Q . . . V .

19.083 148.2685 78.27 . Q . . . V .

19.167 148.7975 76.80 . Q . . . V .

19.250 149.3169 75.42 . Q . . . V .

19.333 149.8275 74.14 . Q . . . V .

19.417 150.3297 72.92 . Q . . . V .

19.500 150.8241 71.78 . Q . . . V .

19.583 151.3109 70.69 . Q . . . V .

19.667 151.7907 69.66 . Q . . . V .

19.750 152.2637 68.68 . Q . . . V .

19.833 152.7301 67.73 . Q . . . V .

19.917 153.1903 66.83 . Q . . . V .

Meyers Creek – Upper Tributary B 2024

Page 16 of 18 ends

20.000 153.6447 65.97 . Q . . . V .

20.083 154.0934 65.15 . Q . . . V .

20.167 154.5367 64.36 . Q . . . V .

20.250 154.9747 63.60 . Q . . . V .

20.333 155.4077 62.87 . Q . . . V .

20.417 155.8358 62.16 . Q . . . V .

20.500 156.2591 61.47 . Q . . . V .

20.583 156.6779 60.80 . Q . . . V .

20.667 157.0922 60.16 . Q . . . V .

20.750 157.5023 59.54 . Q . . . V .

20.833 157.9083 58.95 . Q . . . V .

20.917 158.3103 58.38 . Q . . . V .

21.000 158.7085 57.82 . Q . . . V .

21.083 159.1030 57.28 . Q . . . V .

21.167 159.4939 56.75 . Q . . . V .

21.250 159.8812 56.24 . Q . . . V .

21.333 160.2651 55.74 . Q . . . V .

21.417 160.6457 55.26 . Q . . . V .

21.500 161.0230 54.79 . Q . . . V .

21.583 161.3972 54.33 . Q . . . V .

21.667 161.7683 53.88 . Q . . . V .

21.750 162.1364 53.45 . Q . . . V .

21.833 162.5015 53.02 . Q . . . V .

21.917 162.8638 52.60 . Q . . . V .

22.000 163.2233 52.20 . Q . . . V .

22.083 163.5800 51.80 . Q . . . V .

22.167 163.9341 51.41 . Q . . . V .

22.250 164.2856 51.03 . Q . . . V .

22.333 164.6345 50.66 . Q . . . V .

22.417 164.9810 50.30 . Q . . . V .

22.500 165.3250 49.95 . Q . . . V .

22.583 165.6665 49.60 . Q . . . V .

22.667 166.0058 49.26 . Q . . . V .

22.750 166.3428 48.93 . Q . . . V .

22.833 166.6775 48.60 . Q . . . V .

22.917 167.0100 48.28 . Q . . . V .

23.000 167.3403 47.97 . Q . . . V .

23.083 167.6685 47.66 . Q . . . V .

23.167 167.9947 47.36 . Q . . . V .

23.250 168.3188 47.06 . Q . . . V .

23.333 168.6409 46.77 . Q . . . V.

23.417 168.9611 46.49 . Q . . . V.

23.500 169.2793 46.21 . Q . . . V.

23.583 169.5956 45.93 . Q . . . V.

23.667 169.9101 45.66 . Q . . . V.

23.750 170.2227 45.40 . Q . . . V.

23.833 170.5336 45.14 . Q . . . V.

23.917 170.8427 44.88 . Q . . . V.

24.000 171.1500 44.63 . Q . . . V.

24.083 171.4481 43.28 . Q . . . V.

Meyers Creek – Upper Tributary B 2024

Page 17 of 18 ends

24.167 171.7183 39.24 . Q . . . V.

24.250 171.9390 32.04 . Q . . . V.

24.333 172.0999 23.36 .Q . . . V.

24.417 172.2186 17.23 .Q . . . V.

24.500 172.3124 13.62 Q . . . V.

24.583 172.3895 11.20 Q . . . V.

24.667 172.4544 9.42 Q . . . V.

24.750 172.5096 8.02 Q . . . V.

24.833 172.5569 6.86 Q . . . V.

24.917 172.5975 5.91 Q . . . V.

25.000 172.6329 5.13 Q . . . V.

25.083 172.6634 4.43 Q . . . V.

25.167 172.6898 3.84 Q . . . V.

25.250 172.7127 3.32 Q . . . V.

25.333 172.7324 2.87 Q . . . V.

25.417 172.7494 2.46 Q . . . V.

25.500 172.7638 2.10 Q . . . V.

25.583 172.7760 1.76 Q . . . V.

25.667 172.7863 1.51 Q . . . V.

25.750 172.7951 1.27 Q . . . V.

25.833 172.8022 1.03 Q . . . V.

25.917 172.8081 0.85 Q . . . V.

26.000 172.8133 0.76 Q . . . V.

26.083 172.8180 0.67 Q . . . V.

26.167 172.8220 0.58 Q . . . V.

26.250 172.8254 0.50 Q . . . V.

26.333 172.8282 0.41 Q . . . V.

26.417 172.8304 0.32 Q . . . V.

26.500 172.8320 0.23 Q . . . V.

26.583 172.8330 0.15 Q . . . V.

26.667 172.8334 0.06 Q . . . V.
-------------------------------------------------------------------------------- TIME DURATION(minutes) OF PERCENTILES OF ESTIMATED PEAK FLOW RATE:
(Note: 100% of Peak Flow Rate estimate assumed to have
an instantaneous time duration)
Percentile of Estimated Duration
Peak Flow Rate (minutes)
======================= =========
0% 1600.0
10% 805.0
20% 245.0
30% 105.0
40% 65.0
50% 40.0
60% 30.0
70% 20.0
80% 15.0
90% 10.0
============================================================================ Meyers Creek – Upper Tributary B 2024

Page 18 of 18 ends

END OF FLOODSCx ROUTING ANALYSIS
100YR-FUTURE-UPPERTRIB-A-SAUH.docx Page 1 of 18
____________________________________________________________________________ ****************************************************************************

************************** DESCRIPTION OF STUDY ************************** * HYDROLOGY STUDY - MEYERS CREEK *
* SAUH - 100-YR - UPPER TRIBUTARY A *
* 4/3/2024 *
************************************************************************** FILE NAME: UTA100.DAT
TIME/DATE OF STUDY: 14:30 04/03/2024
**************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 7478.000 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 5123.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 1282.000 FEET
BASIN FACTOR = 0.040
WATERSHED AREA = 186.000 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.297 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

VALLEY(UNDEVELOPED)/DESERT S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.340
LOW LOSS FRACTION = 0.210
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.63
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 1.64
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 2.50
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 4.23
SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 6.10
SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 12.36
Meyers Creek – Upper Tributary A 2024

Page 2 of 18 ends

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

Page 3 of 18 ends

31 99.754 4.527
32 99.955 4.527
33 100.000 1.007
Meyers Creek – Upper Tributary A 2024

Page 4 of 18 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

PERIOD RAINFALL SOIL-LOSS RAINFALL
(NUMBER) (INCHES) (INCHES) (INCHES)
---------------------------------------------------------------------------- 1 0.0219 0.0046 0.0173
2 0.0219 0.0046 0.0173
3 0.0220 0.0046 0.0174
4 0.0221 0.0046 0.0174
5 0.0221 0.0046 0.0175
6 0.0222 0.0047 0.0175
7 0.0223 0.0047 0.0176
8 0.0223 0.0047 0.0176
9 0.0224 0.0047 0.0177
10 0.0224 0.0047 0.0177
11 0.0225 0.0047 0.0178
12 0.0225 0.0047 0.0178
13 0.0226 0.0047 0.0179
14 0.0227 0.0048 0.0179
15 0.0227 0.0048 0.0180
16 0.0228 0.0048 0.0180
17 0.0229 0.0048 0.0181
18 0.0229 0.0048 0.0181
19 0.0230 0.0048 0.0182
20 0.0230 0.0048 0.0182
21 0.0231 0.0049 0.0183
22 0.0232 0.0049 0.0183
23 0.0233 0.0049 0.0184
24 0.0233 0.0049 0.0184
25 0.0234 0.0049 0.0185
26 0.0234 0.0049 0.0185
27 0.0235 0.0049 0.0186
28 0.0236 0.0050 0.0186
29 0.0237 0.0050 0.0187
30 0.0237 0.0050 0.0187
31 0.0238 0.0050 0.0188
32 0.0239 0.0050 0.0189
33 0.0240 0.0050 0.0189
34 0.0240 0.0050 0.0190
35 0.0241 0.0051 0.0190
36 0.0242 0.0051 0.0191
37 0.0243 0.0051 0.0192
38 0.0243 0.0051 0.0192
39 0.0244 0.0051 0.0193
40 0.0245 0.0051 0.0193
41 0.0246 0.0052 0.0194
42 0.0246 0.0052 0.0195
43 0.0247 0.0052 0.0195
44 0.0248 0.0052 0.0196
45 0.0249 0.0052 0.0197
Meyers Creek – Upper Tributary A 2024

Page 5 of 18 ends

46 0.0250 0.0052 0.0197
47 0.0251 0.0053 0.0198
48 0.0251 0.0053 0.0198
49 0.0252 0.0053 0.0199
50 0.0253 0.0053 0.0200
51 0.0254 0.0053 0.0201
52 0.0255 0.0053 0.0201
53 0.0256 0.0054 0.0202
54 0.0256 0.0054 0.0203
55 0.0258 0.0054 0.0204
56 0.0258 0.0054 0.0204
57 0.0260 0.0055 0.0205
58 0.0260 0.0055 0.0206
59 0.0261 0.0055 0.0207
60 0.0262 0.0055 0.0207
61 0.0263 0.0055 0.0208
62 0.0264 0.0055 0.0209
63 0.0265 0.0056 0.0210
64 0.0266 0.0056 0.0210
65 0.0267 0.0056 0.0211
66 0.0268 0.0056 0.0212
67 0.0269 0.0057 0.0213
68 0.0270 0.0057 0.0213
69 0.0272 0.0057 0.0215
70 0.0272 0.0057 0.0215
71 0.0274 0.0057 0.0216
72 0.0274 0.0058 0.0217
73 0.0276 0.0058 0.0218
74 0.0277 0.0058 0.0219
75 0.0278 0.0058 0.0220
76 0.0279 0.0059 0.0220
77 0.0281 0.0059 0.0222
78 0.0281 0.0059 0.0222
79 0.0283 0.0059 0.0224
80 0.0284 0.0060 0.0224
81 0.0286 0.0060 0.0226
82 0.0286 0.0060 0.0226
83 0.0288 0.0060 0.0228
84 0.0289 0.0061 0.0228
85 0.0291 0.0061 0.0230
86 0.0292 0.0061 0.0230
87 0.0293 0.0062 0.0232
88 0.0294 0.0062 0.0232
89 0.0296 0.0062 0.0234
90 0.0297 0.0062 0.0235
91 0.0299 0.0063 0.0236
92 0.0300 0.0063 0.0237
93 0.0302 0.0063 0.0238
94 0.0303 0.0064 0.0239
95 0.0305 0.0064 0.0241
Meyers Creek – Upper Tributary A 2024

Page 6 of 18 ends

96 0.0306 0.0064 0.0242
97 0.0308 0.0065 0.0243
98 0.0309 0.0065 0.0244
99 0.0311 0.0065 0.0246
100 0.0312 0.0066 0.0247
101 0.0314 0.0066 0.0248
102 0.0316 0.0066 0.0249
103 0.0318 0.0067 0.0251
104 0.0319 0.0067 0.0252
105 0.0321 0.0068 0.0254
106 0.0323 0.0068 0.0255
107 0.0325 0.0068 0.0257
108 0.0326 0.0069 0.0258
109 0.0329 0.0069 0.0260
110 0.0330 0.0069 0.0261
111 0.0333 0.0070 0.0263
112 0.0334 0.0070 0.0264
113 0.0337 0.0071 0.0266
114 0.0338 0.0071 0.0267
115 0.0341 0.0072 0.0269
116 0.0343 0.0072 0.0271
117 0.0345 0.0073 0.0273
118 0.0347 0.0073 0.0274
119 0.0350 0.0074 0.0277
120 0.0352 0.0074 0.0278
121 0.0355 0.0075 0.0280
122 0.0356 0.0075 0.0282
123 0.0360 0.0076 0.0284
124 0.0361 0.0076 0.0286
125 0.0365 0.0077 0.0288
126 0.0367 0.0077 0.0290
127 0.0370 0.0078 0.0293
128 0.0372 0.0078 0.0294
129 0.0376 0.0079 0.0297
130 0.0378 0.0079 0.0299
131 0.0382 0.0080 0.0302
132 0.0384 0.0081 0.0303
133 0.0388 0.0082 0.0307
134 0.0390 0.0082 0.0308
135 0.0395 0.0083 0.0312
136 0.0397 0.0083 0.0314
137 0.0402 0.0084 0.0317
138 0.0404 0.0085 0.0319
139 0.0409 0.0086 0.0323
140 0.0411 0.0086 0.0325
141 0.0416 0.0087 0.0329
142 0.0419 0.0088 0.0331
143 0.0425 0.0089 0.0335
144 0.0427 0.0090 0.0338
145 0.0448 0.0094 0.0354
Meyers Creek – Upper Tributary A 2024

Page 7 of 18 ends

146 0.0451 0.0095 0.0357
147 0.0458 0.0096 0.0362
148 0.0461 0.0097 0.0364
149 0.0467 0.0098 0.0369
150 0.0471 0.0099 0.0372
151 0.0478 0.0100 0.0378
152 0.0482 0.0101 0.0380
153 0.0489 0.0103 0.0386
154 0.0493 0.0104 0.0389
155 0.0501 0.0105 0.0396
156 0.0505 0.0106 0.0399
157 0.0514 0.0108 0.0406
158 0.0519 0.0109 0.0410
159 0.0528 0.0111 0.0417
160 0.0533 0.0112 0.0421
161 0.0544 0.0114 0.0430
162 0.0549 0.0115 0.0434
163 0.0561 0.0118 0.0443
164 0.0567 0.0119 0.0448
165 0.0580 0.0122 0.0458
166 0.0586 0.0123 0.0463
167 0.0601 0.0126 0.0475
168 0.0608 0.0128 0.0480
169 0.0575 0.0121 0.0454
170 0.0583 0.0122 0.0461
171 0.0601 0.0126 0.0475
172 0.0611 0.0128 0.0483
173 0.0632 0.0133 0.0499
174 0.0643 0.0135 0.0508
175 0.0668 0.0140 0.0528
176 0.0681 0.0143 0.0538
177 0.0710 0.0149 0.0561
178 0.0726 0.0153 0.0574
179 0.0762 0.0160 0.0602
180 0.0782 0.0164 0.0618
181 0.0827 0.0174 0.0653
182 0.0852 0.0179 0.0673
183 0.0911 0.0191 0.0719
184 0.0945 0.0198 0.0746
185 0.1277 0.0268 0.1008
186 0.1325 0.0278 0.1046
187 0.1437 0.0283 0.1154
188 0.1511 0.0283 0.1228
189 0.1507 0.0283 0.1224
190 0.1657 0.0283 0.1373
191 0.2184 0.0283 0.1901
192 0.2799 0.0283 0.2515
193 0.6243 0.0283 0.5960
194 0.1863 0.0283 0.1579
195 0.1597 0.0283 0.1314
Meyers Creek – Upper Tributary A 2024

Page 8 of 18 ends

196 0.1376 0.0283 0.1093
197 0.0983 0.0206 0.0776
198 0.0880 0.0185 0.0695
199 0.0803 0.0169 0.0635
200 0.0744 0.0156 0.0587
201 0.0695 0.0146 0.0549
202 0.0655 0.0138 0.0518
203 0.0621 0.0130 0.0491
204 0.0592 0.0124 0.0468
205 0.0616 0.0129 0.0487
206 0.0593 0.0125 0.0469
207 0.0573 0.0120 0.0453
208 0.0555 0.0117 0.0439
209 0.0539 0.0113 0.0426
210 0.0524 0.0110 0.0414
211 0.0510 0.0107 0.0403
212 0.0497 0.0104 0.0393
213 0.0485 0.0102 0.0383
214 0.0474 0.0100 0.0375
215 0.0464 0.0097 0.0367
216 0.0455 0.0095 0.0359
217 0.0430 0.0090 0.0340
218 0.0422 0.0089 0.0333
219 0.0414 0.0087 0.0327
220 0.0406 0.0085 0.0321
221 0.0399 0.0084 0.0315
222 0.0392 0.0082 0.0310
223 0.0386 0.0081 0.0305
224 0.0380 0.0080 0.0300
225 0.0374 0.0079 0.0295
226 0.0368 0.0077 0.0291
227 0.0363 0.0076 0.0287
228 0.0358 0.0075 0.0283
229 0.0353 0.0074 0.0279
230 0.0348 0.0073 0.0275
231 0.0344 0.0072 0.0272
232 0.0340 0.0071 0.0268
233 0.0335 0.0070 0.0265
234 0.0331 0.0070 0.0262
235 0.0328 0.0069 0.0259
236 0.0324 0.0068 0.0256
237 0.0320 0.0067 0.0253
238 0.0317 0.0067 0.0250
239 0.0313 0.0066 0.0248
240 0.0310 0.0065 0.0245
241 0.0307 0.0064 0.0242
242 0.0304 0.0064 0.0240
243 0.0301 0.0063 0.0238
244 0.0298 0.0063 0.0235
245 0.0295 0.0062 0.0233
Meyers Creek – Upper Tributary A 2024

Page 9 of 18 ends

246 0.0292 0.0061 0.0231
247 0.0290 0.0061 0.0229
248 0.0287 0.0060 0.0227
249 0.0285 0.0060 0.0225
250 0.0282 0.0059 0.0223
251 0.0280 0.0059 0.0221
252 0.0278 0.0058 0.0219
253 0.0275 0.0058 0.0217
254 0.0273 0.0057 0.0216
255 0.0271 0.0057 0.0214
256 0.0269 0.0056 0.0212
257 0.0267 0.0056 0.0211
258 0.0265 0.0056 0.0209
259 0.0263 0.0055 0.0208
260 0.0261 0.0055 0.0206
261 0.0259 0.0054 0.0205
262 0.0257 0.0054 0.0203
263 0.0255 0.0054 0.0202
264 0.0253 0.0053 0.0200
265 0.0252 0.0053 0.0199
266 0.0250 0.0053 0.0198
267 0.0248 0.0052 0.0196
268 0.0247 0.0052 0.0195
269 0.0245 0.0051 0.0194
270 0.0244 0.0051 0.0192
271 0.0242 0.0051 0.0191
272 0.0241 0.0051 0.0190
273 0.0239 0.0050 0.0189
274 0.0238 0.0050 0.0188
275 0.0236 0.0050 0.0187
276 0.0235 0.0049 0.0186
277 0.0233 0.0049 0.0184
278 0.0232 0.0049 0.0183
279 0.0231 0.0048 0.0182
280 0.0230 0.0048 0.0181
281 0.0228 0.0048 0.0180
282 0.0227 0.0048 0.0179
283 0.0226 0.0047 0.0178
284 0.0225 0.0047 0.0177
285 0.0223 0.0047 0.0176
286 0.0222 0.0047 0.0176
287 0.0221 0.0046 0.0175
288 0.0220 0.0046 0.0174
TOTAL STORM RAINFALL(INCHES) = 12.36
TOTAL SOIL-LOSS(INCHES) = 2.41
TOTAL EFFECTIVE RAINFALL(INCHES) = 9.95
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 37.4058
Meyers Creek – Upper Tributary A 2024

Page 10 of 18 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 154.0944
---------------------------------------------------------------------------- Meyers Creek – Upper Tributary A 2024

Page 11 of 18 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 150.0 300.0 450.0 600.0
----------------------------------------------------------------------------

0.083 0.0070 1.02 Q . . . .

0.167 0.0384 4.55 Q . . . .

0.250 0.1146 11.06 Q . . . .

0.333 0.2444 18.85 VQ . . . .

0.417 0.4113 24.23 VQ . . . .

0.500 0.6000 27.41 VQ . . . .

0.583 0.8036 29.56 VQ . . . .

0.667 1.0183 31.18 V Q . . . .

0.750 1.2419 32.47 V Q . . . .

0.833 1.4730 33.55 V Q . . . .

0.917 1.7103 34.45 V Q . . . .

1.000 1.9528 35.21 V Q . . . .

1.083 2.2000 35.90 V Q . . . .

1.167 2.4515 36.51 V Q . . . .

1.250 2.7066 37.04 V Q . . . .

1.333 2.9652 37.54 V Q . . . .

1.417 3.2268 37.98 V Q . . . .

1.500 3.4913 38.41 V Q . . . .

1.583 3.7584 38.79 V Q . . . .

1.667 4.0278 39.11 .VQ . . . .

1.750 4.2994 39.43 .VQ . . . .

1.833 4.5732 39.75 .VQ . . . .

1.917 4.8485 39.98 .VQ . . . .

2.000 5.1252 40.17 .VQ . . . .

2.083 5.4032 40.37 .VQ . . . .

2.167 5.6826 40.56 .VQ . . . .

2.250 5.9632 40.75 .VQ . . . .

2.333 6.2453 40.95 .VQ . . . .

2.417 6.5286 41.15 .VQ . . . .

2.500 6.8134 41.35 .VQ . . . .

2.583 7.0995 41.54 .VQ . . . .

2.667 7.3870 41.75 .VQ . . . .

2.750 7.6755 41.89 .VQ . . . .

2.833 7.9648 42.01 . Q . . . .

2.917 8.2550 42.14 . Q . . . .

3.000 8.5461 42.26 . Q . . . .

3.083 8.8380 42.39 . Q . . . .

3.167 9.1309 42.52 . Q . . . .

3.250 9.4247 42.65 . Q . . . .

Meyers Creek – Upper Tributary A 2024

Page 12 of 18 ends

3.333 9.7193 42.79 . Q . . . .

3.417 10.0149 42.92 . Q . . . .

3.500 10.3114 43.05 . Q . . . .

3.583 10.6089 43.19 . Q . . . .

3.667 10.9072 43.33 . Q . . . .

3.750 11.2066 43.46 . Q . . . .

3.833 11.5069 43.60 . Q . . . .

3.917 11.8082 43.75 . QV . . . .

4.000 12.1104 43.89 . QV . . . .

4.083 12.4137 44.03 . QV . . . .

4.167 12.7180 44.18 . QV . . . .

4.250 13.0232 44.32 . QV . . . .

4.333 13.3295 44.47 . QV . . . .

4.417 13.6368 44.62 . QV . . . .

4.500 13.9452 44.78 . QV . . . .

4.583 14.2546 44.93 . QV . . . .

4.667 14.5651 45.08 . Q . . . .

4.750 14.8767 45.24 . Q . . . .

4.833 15.1893 45.40 . Q . . . .

4.917 15.5031 45.56 . QV . . . .

5.000 15.8180 45.72 . QV . . . .

5.083 16.1339 45.88 . QV . . . .

5.167 16.4511 46.05 . QV . . . .

5.250 16.7693 46.21 . QV . . . .

5.333 17.0888 46.38 . QV . . . .

5.417 17.4094 46.55 . QV . . . .

5.500 17.7312 46.73 . QV . . . .

5.583 18.0542 46.90 . QV . . . .

5.667 18.3784 47.08 . QV . . . .

5.750 18.7038 47.25 . QV . . . .

5.833 19.0305 47.44 . QV . . . .

5.917 19.3585 47.62 . Q V . . . .

6.000 19.6877 47.80 . Q V . . . .

6.083 20.0182 47.99 . Q V . . . .

6.167 20.3500 48.18 . Q V . . . .

6.250 20.6831 48.37 . Q V . . . .

6.333 21.0176 48.56 . Q V . . . .

6.417 21.3534 48.76 . Q V . . . .

6.500 21.6906 48.96 . Q V . . . .

6.583 22.0291 49.16 . Q V . . . .

6.667 22.3691 49.36 . Q V . . . .

6.750 22.7105 49.57 . Q V . . . .

6.833 23.0533 49.78 . Q V . . . .

6.917 23.3976 49.99 . Q V . . . .

7.000 23.7434 50.21 . Q V . . . .

7.083 24.0907 50.42 . Q V . . . .

7.167 24.4394 50.64 . Q V . . . .

7.250 24.7897 50.87 . Q V . . . .

7.333 25.1416 51.09 . Q V . . . .

7.417 25.4951 51.32 . Q V . . . .

Meyers Creek – Upper Tributary A 2024

Page 13 of 18 ends

7.500 25.8501 51.55 . Q V . . . .

7.583 26.2068 51.79 . Q V . . . .

7.667 26.5651 52.03 . Q V . . . .

7.750 26.9251 52.27 . Q V . . . .

7.833 27.2868 52.52 . Q V . . . .

7.917 27.6502 52.76 . Q V . . . .

8.000 28.0153 53.02 . Q V . . . .

8.083 28.3822 53.27 . Q V . . . .

8.167 28.7509 53.54 . Q V . . . .

8.250 29.1215 53.80 . Q V . . . .

8.333 29.4938 54.07 . Q V . . . .

8.417 29.8681 54.34 . Q V . . . .

8.500 30.2443 54.62 . Q V . . . .

8.583 30.6224 54.90 . Q V . . . .

8.667 31.0024 55.19 . Q V . . . .

8.750 31.3845 55.48 . Q V . . . .

8.833 31.7686 55.77 . Q V . . . .

8.917 32.1547 56.07 . Q V . . . .

9.000 32.5430 56.38 . Q V . . . .

9.083 32.9334 56.68 . Q V . . . .

9.167 33.3260 57.00 . Q V . . . .

9.250 33.7207 57.32 . Q V . . . .

9.333 34.1178 57.65 . Q V . . . .

9.417 34.5171 57.98 . Q V . . . .

9.500 34.9187 58.32 . Q V. . . .

9.583 35.3227 58.66 . Q V. . . .

9.667 35.7291 59.01 . Q V. . . .

9.750 36.1380 59.37 . Q V. . . .

9.833 36.5493 59.73 . Q V. . . .

9.917 36.9633 60.10 . Q V. . . .

10.000 37.3798 60.48 . Q V. . . .

10.083 37.7989 60.86 . Q V. . . .

10.167 38.2208 61.26 . Q V. . . .

10.250 38.6454 61.65 . Q V . . .

10.333 39.0728 62.06 . Q V . . .

10.417 39.5031 62.48 . Q V . . .

10.500 39.9364 62.90 . Q V . . .

10.583 40.3726 63.34 . Q V . . .

10.667 40.8118 63.78 . Q V . . .

10.750 41.2542 64.23 . Q V . . .

10.833 41.6998 64.70 . Q V . . .

10.917 42.1486 65.17 . Q V . . .

11.000 42.6008 65.65 . Q .V . . .

11.083 43.0563 66.15 . Q .V . . .

11.167 43.5154 66.65 . Q .V . . .

11.250 43.9780 67.17 . Q .V . . .

11.333 44.4443 67.70 . Q .V . . .

11.417 44.9143 68.25 . Q .V . . .

11.500 45.3882 68.81 . Q .V . . .

11.583 45.8660 69.38 . Q .V . . .

Meyers Creek – Upper Tributary A 2024

Page 14 of 18 ends

11.667 46.3478 69.96 . Q . V . . .

11.750 46.8338 70.56 . Q . V . . .

11.833 47.3240 71.18 . Q . V . . .

11.917 47.8187 71.82 . Q . V . . .

12.000 48.3178 72.47 . Q . V . . .

12.083 48.8220 73.21 . Q . V . . .

12.167 49.3327 74.15 . Q . V . . .

12.250 49.8514 75.31 . Q . V . . .

12.333 50.3788 76.59 . Q . V . . .

12.417 50.9140 77.71 . Q . V . . .

12.500 51.4560 78.71 . Q . V . . .

12.583 52.0046 79.65 . Q . V . . .

12.667 52.5596 80.59 . Q . V . . .

12.750 53.1210 81.52 . Q . V . . .

12.833 53.6891 82.48 . Q . V . . .

12.917 54.2637 83.44 . Q . V . . .

13.000 54.8453 84.44 . Q . V . . .

13.083 55.4339 85.46 . Q . V . . .

13.167 56.0297 86.52 . Q . V . . .

13.250 56.6330 87.60 . Q . V . . .

13.333 57.2441 88.73 . Q . V . . .

13.417 57.8632 89.89 . Q . V . . .

13.500 58.4906 91.11 . Q . V . . .

13.583 59.1267 92.36 . Q . V . . .

13.667 59.7719 93.68 . Q . V . . .

13.750 60.4265 95.04 . Q . V . . .

13.833 61.0910 96.48 . Q . V . . .

13.917 61.7657 97.98 . Q . V . . .

14.000 62.4513 99.55 . Q . V . . .

14.083 63.1467 100.97 . Q . V . . .

14.167 63.8486 101.92 . Q . V . . .

14.250 64.5530 102.28 . Q . V . . .

14.333 65.2589 102.49 . Q . V . . .

14.417 65.9706 103.35 . Q . V . . .

14.500 66.6928 104.86 . Q . V . . .

14.583 67.4279 106.74 . Q . V . . .

14.667 68.1782 108.93 . Q . V . . .

14.750 68.9452 111.37 . Q . V . . .

14.833 69.7310 114.10 . Q . V . . .

14.917 70.5374 117.09 . Q . V . . .

15.000 71.3669 120.44 . Q . V . . .

15.083 72.2216 124.11 . Q . V . . .

15.167 73.1047 128.23 . Q . V . . .

15.250 74.0194 132.81 . Q . V. . .

15.333 74.9699 138.01 . Q. V. . .

15.417 75.9691 145.08 . Q. V. . .

15.500 77.0430 155.93 . Q V. . .

15.583 78.2233 171.38 . .Q V . .

15.667 79.5322 190.05 . . Q V . .

15.750 80.9604 207.37 . . Q .V . .

Meyers Creek – Upper Tributary A 2024

Page 15 of 18 ends

15.833 82.4976 223.20 . . Q .V . .

15.917 84.1568 240.92 . . Q .V . .

16.000 86.0078 268.77 . . Q . V . .

16.083 88.3057 333.65 . . . Q . .

16.167 91.2924 433.67 . . . V Q . .

16.250 94.8893 522.26 . . . V . Q .

16.333 98.5973 538.41 . . . V . Q .

16.417 101.7179 453.12 . . . V Q .

16.500 104.2529 368.07 . . . Q V . .

16.583 106.3906 310.40 . . Q V . .

16.667 108.2338 267.63 . . Q . V . .

16.750 109.8639 236.69 . . Q . V . .

16.833 111.3377 213.99 . . Q . V . .

16.917 112.6821 195.21 . . Q . V. .

17.000 113.9211 179.90 . .Q . V. .

17.083 115.0804 168.33 . .Q . V. .

17.167 116.1683 157.97 . Q . V .

17.250 117.2001 149.82 . Q. . V .

17.333 118.1898 143.70 . Q. . V .

17.417 119.1343 137.15 . Q. . V .

17.500 120.0396 131.45 . Q . . .V .

17.583 120.9039 125.49 . Q . . .V .

17.667 121.7272 119.55 . Q . . .V .

17.750 122.5211 115.28 . Q . . .V .

17.833 123.2849 110.90 . Q . . . V .

17.917 124.0079 104.97 . Q . . . V .

18.000 124.7017 100.75 . Q . . . V .

18.083 125.3746 97.71 . Q . . . V .

18.167 126.0273 94.77 . Q . . . V .

18.250 126.6604 91.92 . Q . . . V .

18.333 127.2745 89.17 . Q . . . V .

18.417 127.8718 86.72 . Q . . . V .

18.500 128.4536 84.49 . Q . . . V .

18.583 129.0200 82.23 . Q . . . V .

18.667 129.5697 79.82 . Q . . . V .

18.750 130.0948 76.24 . Q . . . V .

18.833 130.6041 73.95 . Q . . . V .

18.917 131.1017 72.25 . Q . . . V .

19.000 131.5887 70.72 . Q . . . V .

19.083 132.0665 69.38 . Q . . . V .

19.167 132.5359 68.15 . Q . . . V .

19.250 132.9974 67.01 . Q . . . V .

19.333 133.4515 65.93 . Q . . . V .

19.417 133.8986 64.92 . Q . . . V .

19.500 134.3391 63.96 . Q . . . V .

19.583 134.7733 63.04 . Q . . . V .

19.667 135.2015 62.18 . Q . . . V .

19.750 135.6239 61.33 . Q . . . V .

19.833 136.0407 60.52 . Q . . . V .

19.917 136.4522 59.75 . Q . . . V .

Meyers Creek – Upper Tributary A 2024

Page 16 of 18 ends

20.000 136.8586 59.01 . Q . . . V .

20.083 137.2601 58.30 . Q . . . V .

20.167 137.6569 57.61 . Q . . . V .

20.250 138.0491 56.95 . Q . . . V .

20.333 138.4370 56.31 . Q . . . V .

20.417 138.8206 55.70 . Q . . . V .

20.500 139.2000 55.10 . Q . . . V .

20.583 139.5756 54.52 . Q . . . V .

20.667 139.9472 53.97 . Q . . . V .

20.750 140.3152 53.43 . Q . . . V .

20.833 140.6796 52.91 . Q . . . V .

20.917 141.0405 52.40 . Q . . . V .

21.000 141.3980 51.91 . Q . . . V .

21.083 141.7522 51.44 . Q . . . V .

21.167 142.1033 50.97 . Q . . . V .

21.250 142.4513 50.52 . Q . . . V .

21.333 142.7962 50.09 . Q . . . V .

21.417 143.1382 49.66 . Q . . . V .

21.500 143.4774 49.24 . Q . . . V .

21.583 143.8137 48.84 . Q . . . V .

21.667 144.1474 48.44 . Q . . . V .

21.750 144.4783 48.06 . Q . . . V .

21.833 144.8067 47.68 . Q . . . V .

21.917 145.1326 47.32 . Q . . . V .

22.000 145.4560 46.96 . Q . . . V .

22.083 145.7770 46.61 . Q . . . V .

22.167 146.0956 46.27 . Q . . . V .

22.250 146.4120 45.93 . Q . . . V .

22.333 146.7260 45.60 . Q . . . V .

22.417 147.0379 45.28 . Q . . . V .

22.500 147.3476 44.97 . Q . . . V .

22.583 147.6552 44.66 . Q . . . V .

22.667 147.9607 44.36 . Q . . . V .

22.750 148.2642 44.07 . Q . . . V .

22.833 148.5657 43.78 . Q . . . V .

22.917 148.8653 43.50 . Q . . . V .

23.000 149.1629 43.22 . Q . . . V .

23.083 149.4587 42.95 . Q . . . V .

23.167 149.7527 42.68 . Q . . . V .

23.250 150.0448 42.42 . Q . . . V .

23.333 150.3352 42.16 . Q . . . V.

23.417 150.6238 41.91 . Q . . . V.

23.500 150.9108 41.66 . Q . . . V.

23.583 151.1960 41.42 . Q . . . V.

23.667 151.4796 41.18 . Q . . . V.

23.750 151.7616 40.95 . Q . . . V.

23.833 152.0420 40.72 . Q . . . V.

23.917 152.3209 40.49 . Q . . . V.

24.000 152.5982 40.27 . Q . . . V.

24.083 152.8670 39.03 . Q . . . V.

Meyers Creek – Upper Tributary A 2024

Page 17 of 18 ends

24.167 153.1101 35.30 . Q . . . V.

24.250 153.3071 28.61 .Q . . . V.

24.333 153.4498 20.71 .Q . . . V.

24.417 153.5549 15.27 .Q . . . V.

24.500 153.6381 12.08 Q . . . V.

24.583 153.7065 9.93 Q . . . V.

24.667 153.7640 8.34 Q . . . V.

24.750 153.8128 7.09 Q . . . V.

24.833 153.8545 6.05 Q . . . V.

24.917 153.8904 5.21 Q . . . V.

25.000 153.9214 4.52 Q . . . V.

25.083 153.9482 3.89 Q . . . V.

25.167 153.9714 3.36 Q . . . V.

25.250 153.9914 2.91 Q . . . V.

25.333 154.0086 2.49 Q . . . V.

25.417 154.0233 2.14 Q . . . V.

25.500 154.0357 1.81 Q . . . V.

25.583 154.0462 1.52 Q . . . V.

25.667 154.0551 1.30 Q . . . V.

25.750 154.0626 1.08 Q . . . V.

25.833 154.0685 0.87 Q . . . V.

25.917 154.0737 0.74 Q . . . V.

26.000 154.0782 0.66 Q . . . V.

26.083 154.0822 0.58 Q . . . V.

26.167 154.0856 0.50 Q . . . V.

26.250 154.0885 0.42 Q . . . V.

26.333 154.0908 0.33 Q . . . V.

26.417 154.0925 0.25 Q . . . V.

26.500 154.0937 0.18 Q . . . V.

26.583 154.0944 0.10 Q . . . V.

26.667 154.0945 0.02 Q . . . V
-------------------------------------------------------------------------------- TIME DURATION(minutes) OF PERCENTILES OF ESTIMATED PEAK FLOW RATE:
(Note: 100% of Peak Flow Rate estimate assumed to have
an instantaneous time duration)
Percentile of Estimated Duration
Peak Flow Rate (minutes)
======================= =========
0% 1600.0
10% 745.0
20% 195.0
30% 95.0
40% 60.0
50% 35.0
60% 30.0
70% 20.0
80% 20.0
90% 10.0
============================================================================ Meyers Creek – Upper Tributary A 2024

Page 18 of 18 ends

END OF FLOODSCx ROUTING ANALYSIS
100YR-FUTURE-UPPERTRIB-B-SAUH.docx Page 1 of 18
____________________________________________________________________________ ****************************************************************************

************************** DESCRIPTION OF STUDY ************************** * Hydrology Study - Meyers Creek *
* SAUH - 100YR - Subarea B *
* 4/3/2024 *
************************************************************************** FILE NAME: UTB100.DAT
TIME/DATE OF STUDY: 15:49 04/03/2024
**************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 9411.000 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 5122.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2360.000 FEET
BASIN FACTOR = 0.040
WATERSHED AREA = 341.000 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.302 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

VALLEY(UNDEVELOPED)/DESERT S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.120
LOW LOSS FRACTION = 0.040
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.63
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 1.64
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 2.50
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 4.23
SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 6.10
SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 12.36
Meyers Creek – Upper Tributary B 2024

Page 2 of 18 ends

*USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS:
5-MINUTE FACTOR = 0.991
30-MINUTE FACTOR = 0.991
1-HOUR FACTOR = 0.991
3-HOUR FACTOR = 0.999
6-HOUR FACTOR = 0.999
24-HOUR FACTOR = 1.000
UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES
UNIT INTERVAL PERCENTAGE OF LAG-TIME = 27.628
============================================================================

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

Page 3 of 18 ends

30 99.464 8.169
31 99.662 8.169
32 99.860 8.169
33 100.000 5.780
Meyers Creek – Upper Tributary B 2024

Page 4 of 18 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

PERIOD RAINFALL SOIL-LOSS RAINFALL
(NUMBER) (INCHES) (INCHES) (INCHES)
---------------------------------------------------------------------------- 1 0.0219 0.0009 0.0210
2 0.0219 0.0009 0.0211
3 0.0220 0.0009 0.0211
4 0.0221 0.0009 0.0212
5 0.0221 0.0009 0.0213
6 0.0222 0.0009 0.0213
7 0.0223 0.0009 0.0214
8 0.0223 0.0009 0.0214
9 0.0224 0.0009 0.0215
10 0.0224 0.0009 0.0215
11 0.0225 0.0009 0.0216
12 0.0225 0.0009 0.0216
13 0.0226 0.0009 0.0217
14 0.0227 0.0009 0.0218
15 0.0227 0.0009 0.0218
16 0.0228 0.0009 0.0219
17 0.0229 0.0009 0.0220
18 0.0229 0.0009 0.0220
19 0.0230 0.0009 0.0221
20 0.0230 0.0009 0.0221
21 0.0231 0.0009 0.0222
22 0.0232 0.0009 0.0222
23 0.0233 0.0009 0.0223
24 0.0233 0.0009 0.0224
25 0.0234 0.0009 0.0225
26 0.0234 0.0009 0.0225
27 0.0235 0.0009 0.0226
28 0.0236 0.0009 0.0226
29 0.0237 0.0009 0.0227
30 0.0237 0.0009 0.0228
31 0.0238 0.0010 0.0229
32 0.0239 0.0010 0.0229
33 0.0240 0.0010 0.0230
34 0.0240 0.0010 0.0231
35 0.0241 0.0010 0.0231
36 0.0242 0.0010 0.0232
37 0.0243 0.0010 0.0233
38 0.0243 0.0010 0.0233
39 0.0244 0.0010 0.0234
40 0.0245 0.0010 0.0235
41 0.0246 0.0010 0.0236
42 0.0246 0.0010 0.0236
43 0.0247 0.0010 0.0237
44 0.0248 0.0010 0.0238
45 0.0249 0.0010 0.0239
Meyers Creek – Upper Tributary B 2024

Page 5 of 18 ends

46 0.0250 0.0010 0.0240
47 0.0251 0.0010 0.0241
48 0.0251 0.0010 0.0241
49 0.0252 0.0010 0.0242
50 0.0253 0.0010 0.0243
51 0.0254 0.0010 0.0244
52 0.0255 0.0010 0.0244
53 0.0256 0.0010 0.0246
54 0.0256 0.0010 0.0246
55 0.0258 0.0010 0.0247
56 0.0258 0.0010 0.0248
57 0.0260 0.0010 0.0249
58 0.0260 0.0010 0.0250
59 0.0261 0.0010 0.0251
60 0.0262 0.0010 0.0252
61 0.0263 0.0011 0.0253
62 0.0264 0.0011 0.0253
63 0.0265 0.0011 0.0255
64 0.0266 0.0011 0.0255
65 0.0267 0.0011 0.0257
66 0.0268 0.0011 0.0257
67 0.0269 0.0011 0.0259
68 0.0270 0.0011 0.0259
69 0.0272 0.0011 0.0261
70 0.0272 0.0011 0.0261
71 0.0274 0.0011 0.0263
72 0.0274 0.0011 0.0264
73 0.0276 0.0011 0.0265
74 0.0277 0.0011 0.0266
75 0.0278 0.0011 0.0267
76 0.0279 0.0011 0.0268
77 0.0281 0.0011 0.0269
78 0.0281 0.0011 0.0270
79 0.0283 0.0011 0.0272
80 0.0284 0.0011 0.0272
81 0.0286 0.0011 0.0274
82 0.0286 0.0011 0.0275
83 0.0288 0.0012 0.0277
84 0.0289 0.0012 0.0277
85 0.0291 0.0012 0.0279
86 0.0292 0.0012 0.0280
87 0.0293 0.0012 0.0282
88 0.0294 0.0012 0.0282
89 0.0296 0.0012 0.0284
90 0.0297 0.0012 0.0285
91 0.0299 0.0012 0.0287
92 0.0300 0.0012 0.0288
93 0.0302 0.0012 0.0290
94 0.0303 0.0012 0.0291
95 0.0305 0.0012 0.0293
Meyers Creek – Upper Tributary B 2024

Page 6 of 18 ends

96 0.0306 0.0012 0.0294
97 0.0308 0.0012 0.0296
98 0.0309 0.0012 0.0297
99 0.0311 0.0012 0.0299
100 0.0312 0.0012 0.0300
101 0.0314 0.0013 0.0302
102 0.0316 0.0013 0.0303
103 0.0318 0.0013 0.0305
104 0.0319 0.0013 0.0306
105 0.0321 0.0013 0.0309
106 0.0323 0.0013 0.0310
107 0.0325 0.0013 0.0312
108 0.0326 0.0013 0.0313
109 0.0329 0.0013 0.0316
110 0.0330 0.0013 0.0317
111 0.0333 0.0013 0.0319
112 0.0334 0.0013 0.0321
113 0.0337 0.0013 0.0323
114 0.0338 0.0014 0.0325
115 0.0341 0.0014 0.0327
116 0.0343 0.0014 0.0329
117 0.0345 0.0014 0.0332
118 0.0347 0.0014 0.0333
119 0.0350 0.0014 0.0336
120 0.0352 0.0014 0.0338
121 0.0355 0.0014 0.0341
122 0.0356 0.0014 0.0342
123 0.0360 0.0014 0.0345
124 0.0361 0.0014 0.0347
125 0.0365 0.0015 0.0350
126 0.0367 0.0015 0.0352
127 0.0370 0.0015 0.0355
128 0.0372 0.0015 0.0357
129 0.0376 0.0015 0.0361
130 0.0378 0.0015 0.0363
131 0.0382 0.0015 0.0367
132 0.0384 0.0015 0.0369
133 0.0388 0.0016 0.0373
134 0.0390 0.0016 0.0375
135 0.0395 0.0016 0.0379
136 0.0397 0.0016 0.0381
137 0.0402 0.0016 0.0385
138 0.0404 0.0016 0.0388
139 0.0409 0.0016 0.0392
140 0.0411 0.0016 0.0395
141 0.0416 0.0017 0.0400
142 0.0419 0.0017 0.0402
143 0.0425 0.0017 0.0408
144 0.0427 0.0017 0.0410
145 0.0448 0.0018 0.0431
Meyers Creek – Upper Tributary B 2024

Page 7 of 18 ends

146 0.0451 0.0018 0.0433
147 0.0458 0.0018 0.0439
148 0.0461 0.0018 0.0442
149 0.0467 0.0019 0.0449
150 0.0471 0.0019 0.0452
151 0.0478 0.0019 0.0459
152 0.0482 0.0019 0.0462
153 0.0489 0.0020 0.0470
154 0.0493 0.0020 0.0473
155 0.0501 0.0020 0.0481
156 0.0505 0.0020 0.0485
157 0.0514 0.0021 0.0494
158 0.0519 0.0021 0.0498
159 0.0528 0.0021 0.0507
160 0.0533 0.0021 0.0512
161 0.0544 0.0022 0.0522
162 0.0549 0.0022 0.0527
163 0.0561 0.0022 0.0539
164 0.0567 0.0023 0.0544
165 0.0580 0.0023 0.0557
166 0.0586 0.0023 0.0563
167 0.0601 0.0024 0.0577
168 0.0608 0.0024 0.0584
169 0.0575 0.0023 0.0552
170 0.0583 0.0023 0.0560
171 0.0601 0.0024 0.0577
172 0.0611 0.0024 0.0587
173 0.0632 0.0025 0.0607
174 0.0643 0.0026 0.0618
175 0.0668 0.0027 0.0641
176 0.0681 0.0027 0.0654
177 0.0710 0.0028 0.0682
178 0.0726 0.0029 0.0697
179 0.0762 0.0030 0.0732
180 0.0782 0.0031 0.0751
181 0.0827 0.0033 0.0794
182 0.0852 0.0034 0.0818
183 0.0911 0.0036 0.0874
184 0.0945 0.0038 0.0907
185 0.1277 0.0051 0.1225
186 0.1325 0.0053 0.1272
187 0.1437 0.0057 0.1380
188 0.1511 0.0060 0.1451
189 0.1507 0.0060 0.1447
190 0.1657 0.0066 0.1590
191 0.2184 0.0087 0.2097
192 0.2799 0.0100 0.2699
193 0.6243 0.0100 0.6143
194 0.1863 0.0075 0.1788
195 0.1597 0.0064 0.1533
Meyers Creek – Upper Tributary B 2024

Page 8 of 18 ends

196 0.1376 0.0055 0.1321
197 0.0983 0.0039 0.0943
198 0.0880 0.0035 0.0845
199 0.0803 0.0032 0.0771
200 0.0744 0.0030 0.0714
201 0.0695 0.0028 0.0668
202 0.0655 0.0026 0.0629
203 0.0621 0.0025 0.0596
204 0.0592 0.0024 0.0568
205 0.0616 0.0025 0.0591
206 0.0593 0.0024 0.0570
207 0.0573 0.0023 0.0550
208 0.0555 0.0022 0.0533
209 0.0539 0.0022 0.0517
210 0.0524 0.0021 0.0503
211 0.0510 0.0020 0.0489
212 0.0497 0.0020 0.0477
213 0.0485 0.0019 0.0466
214 0.0474 0.0019 0.0455
215 0.0464 0.0019 0.0446
216 0.0455 0.0018 0.0436
217 0.0430 0.0017 0.0413
218 0.0422 0.0017 0.0405
219 0.0414 0.0017 0.0397
220 0.0406 0.0016 0.0390
221 0.0399 0.0016 0.0383
222 0.0392 0.0016 0.0377
223 0.0386 0.0015 0.0371
224 0.0380 0.0015 0.0365
225 0.0374 0.0015 0.0359
226 0.0368 0.0015 0.0354
227 0.0363 0.0015 0.0349
228 0.0358 0.0014 0.0344
229 0.0353 0.0014 0.0339
230 0.0348 0.0014 0.0335
231 0.0344 0.0014 0.0330
232 0.0340 0.0014 0.0326
233 0.0335 0.0013 0.0322
234 0.0331 0.0013 0.0318
235 0.0328 0.0013 0.0314
236 0.0324 0.0013 0.0311
237 0.0320 0.0013 0.0307
238 0.0317 0.0013 0.0304
239 0.0313 0.0013 0.0301
240 0.0310 0.0012 0.0298
241 0.0307 0.0012 0.0295
242 0.0304 0.0012 0.0292
243 0.0301 0.0012 0.0289
244 0.0298 0.0012 0.0286
245 0.0295 0.0012 0.0283
Meyers Creek – Upper Tributary B 2024

Page 9 of 18 ends

246 0.0292 0.0012 0.0281
247 0.0290 0.0012 0.0278
248 0.0287 0.0011 0.0276
249 0.0285 0.0011 0.0273
250 0.0282 0.0011 0.0271
251 0.0280 0.0011 0.0269
252 0.0278 0.0011 0.0266
253 0.0275 0.0011 0.0264
254 0.0273 0.0011 0.0262
255 0.0271 0.0011 0.0260
256 0.0269 0.0011 0.0258
257 0.0267 0.0011 0.0256
258 0.0265 0.0011 0.0254
259 0.0263 0.0011 0.0252
260 0.0261 0.0010 0.0250
261 0.0259 0.0010 0.0249
262 0.0257 0.0010 0.0247
263 0.0255 0.0010 0.0245
264 0.0253 0.0010 0.0243
265 0.0252 0.0010 0.0242
266 0.0250 0.0010 0.0240
267 0.0248 0.0010 0.0238
268 0.0247 0.0010 0.0237
269 0.0245 0.0010 0.0235
270 0.0244 0.0010 0.0234
271 0.0242 0.0010 0.0232
272 0.0241 0.0010 0.0231
273 0.0239 0.0010 0.0230
274 0.0238 0.0010 0.0228
275 0.0236 0.0009 0.0227
276 0.0235 0.0009 0.0225
277 0.0233 0.0009 0.0224
278 0.0232 0.0009 0.0223
279 0.0231 0.0009 0.0222
280 0.0230 0.0009 0.0220
281 0.0228 0.0009 0.0219
282 0.0227 0.0009 0.0218
283 0.0226 0.0009 0.0217
284 0.0225 0.0009 0.0216
285 0.0223 0.0009 0.0214
286 0.0222 0.0009 0.0213
287 0.0221 0.0009 0.0212
288 0.0220 0.0009 0.0211
TOTAL STORM RAINFALL(INCHES) = 12.36
TOTAL SOIL-LOSS(INCHES) = 0.48
TOTAL EFFECTIVE RAINFALL(INCHES) = 11.88
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 13.5898
Meyers Creek – Upper Tributary B 2024

Page 10 of 18 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 337.4658
---------------------------------------------------------------------------- Meyers Creek – Upper Tributary B 2024

Page 11 of 18 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 275.0 550.0 825.0 1100.0 ----------------------------------------------------------------------------

0.083 0.0154 2.23 Q . . . .

0.167 0.0834 9.88 Q . . . .

0.250 0.2487 24.00 Q . . . .

0.333 0.5323 41.18 VQ . . . .

0.417 0.8999 53.38 VQ . . . .

0.500 1.3173 60.60 V Q . . . .

0.583 1.7683 65.48 V Q . . . .

0.667 2.2442 69.11 V Q . . . .

0.750 2.7402 72.01 V Q . . . .

0.833 3.2529 74.45 V Q . . . .

0.917 3.7796 76.48 V Q . . . .

1.000 4.3181 78.18 V Q . . . .

1.083 4.8673 79.75 V Q . . . .

1.167 5.4259 81.10 V Q . . . .

1.250 5.9928 82.31 V Q . . . .

1.333 6.5673 83.42 V Q . . . .

1.417 7.1488 84.43 V Q . . . .

1.500 7.7368 85.37 V Q . . . .

1.583 8.3309 86.26 V Q . . . .

1.667 8.9299 86.98 .V Q . . . .

1.750 9.5338 87.69 .V Q . . . .

1.833 10.1426 88.40 .V Q . . . .

1.917 10.7556 89.00 .V Q . . . .

2.000 11.3714 89.42 .V Q . . . .

2.083 11.9902 89.85 .V Q . . . .

2.167 12.6119 90.27 .V Q . . . .

2.250 13.2366 90.71 .V Q . . . .

2.333 13.8643 91.14 .V Q . . . .

2.417 14.4950 91.57 .V Q . . . .

2.500 15.1287 92.01 .V Q . . . .

2.583 15.7654 92.45 .V Q . . . .

2.667 16.4052 92.90 .V Q . . . .

2.750 17.0477 93.29 . VQ . . . .

2.833 17.6922 93.57 . VQ . . . .

2.917 18.3385 93.85 . VQ . . . .

3.000 18.9869 94.14 . VQ . . . .

3.083 19.6371 94.42 . VQ . . . .

3.167 20.2894 94.71 . VQ . . . .

3.250 20.9437 95.00 . VQ . . . .

Meyers Creek – Upper Tributary B 2024

Page 12 of 18 ends

3.333 21.6000 95.30 . VQ . . . .

3.417 22.2584 95.59 . VQ . . . .

3.500 22.9188 95.89 . VQ . . . .

3.583 23.5813 96.19 . VQ . . . .

3.667 24.2459 96.50 . VQ . . . .

3.750 24.9126 96.81 . VQ . . . .

3.833 25.5815 97.12 . Q . . . .

3.917 26.2525 97.43 . Q . . . .

4.000 26.9257 97.75 . Q . . . .

4.083 27.6012 98.07 . Q . . . .

4.167 28.2788 98.40 . Q . . . .

4.250 28.9587 98.72 . Q . . . .

4.333 29.6409 99.05 . Q . . . .

4.417 30.3254 99.39 . Q . . . .

4.500 31.0122 99.73 . Q . . . .

4.583 31.7014 100.07 . Q . . . .

4.667 32.3929 100.41 . Q . . . .

4.750 33.0869 100.76 . Q . . . .

4.833 33.7832 101.11 . QV . . . .

4.917 34.4820 101.47 . QV . . . .

5.000 35.1833 101.83 . QV . . . .

5.083 35.8871 102.19 . QV . . . .

5.167 36.5934 102.56 . QV . . . .

5.250 37.3022 102.93 . QV . . . .

5.333 38.0137 103.30 . QV . . . .

5.417 38.7278 103.68 . QV . . . .

5.500 39.4445 104.07 . QV . . . .

5.583 40.1639 104.45 . QV . . . .

5.667 40.8859 104.85 . QV . . . .

5.750 41.6108 105.24 . QV . . . .

5.833 42.3384 105.65 . Q V . . . .

5.917 43.0688 106.05 . Q V . . . .

6.000 43.8020 106.46 . Q V . . . .

6.083 44.5381 106.88 . Q V . . . .

6.167 45.2771 107.30 . Q V . . . .

6.250 46.0190 107.73 . Q V . . . .

6.333 46.7639 108.16 . Q V . . . .

6.417 47.5118 108.60 . Q V . . . .

6.500 48.2627 109.04 . Q V . . . .

6.583 49.0168 109.49 . Q V . . . .

6.667 49.7739 109.94 . Q V . . . .

6.750 50.5342 110.40 . QV . . . .

6.833 51.2978 110.86 . Q V . . . .

6.917 52.0645 111.34 . Q V . . . .

7.000 52.8346 111.81 . Q V . . . .

7.083 53.6080 112.30 . Q V . . . .

7.167 54.3848 112.79 . Q V . . . .

7.250 55.1649 113.28 . Q V . . . .

7.333 55.9486 113.79 . Q V . . . .

7.417 56.7357 114.30 . Q V . . . .

Meyers Creek – Upper Tributary B 2024

Page 13 of 18 ends

7.500 57.5265 114.81 . Q V . . . .

7.583 58.3208 115.34 . Q V . . . .

7.667 59.1188 115.87 . Q V . . . .

7.750 59.9205 116.41 . Q V . . . .

7.833 60.7260 116.96 . Q V . . . .

7.917 61.5353 117.51 . Q V . . . .

8.000 62.3485 118.07 . Q V . . . .

8.083 63.1656 118.64 . Q V . . . .

8.167 63.9867 119.23 . Q V . . . .

8.250 64.8119 119.81 . Q V . . . .

8.333 65.6411 120.41 . Q V . . . .

8.417 66.4746 121.02 . Q V . . . .

8.500 67.3123 121.64 . Q V . . . .

8.583 68.1543 122.26 . Q V . . . .

8.667 69.0007 122.90 . Q V . . . .

8.750 69.8515 123.54 . Q V . . . .

8.833 70.7069 124.20 . Q V . . . .

8.917 71.5669 124.86 . Q V . . . .

9.000 72.4315 125.54 . Q V . . . .

9.083 73.3009 126.23 . Q V . . . .

9.167 74.1751 126.94 . Q V . . . .

9.250 75.0542 127.65 . Q V . . . .

9.333 75.9383 128.37 . Q V. . . .

9.417 76.8275 129.11 . Q V. . . .

9.500 77.7219 129.86 . Q V. . . .

9.583 78.6215 130.63 . Q V. . . .

9.667 79.5265 131.41 . Q V. . . .

9.750 80.4370 132.20 . Q V. . . .

9.833 81.3531 133.01 . Q V. . . .

9.917 82.2748 133.83 . Q V. . . .

10.000 83.2023 134.67 . Q V. . . .

10.083 84.1356 135.53 . Q V. . . .

10.167 85.0750 136.40 . Q V . . .

10.250 86.0206 137.29 . Q V . . .

10.333 86.9723 138.20 . Q V . . .

10.417 87.9305 139.12 . Q V . . .

10.500 88.8951 140.07 . Q V . . .

10.583 89.8664 141.03 . Q V . . .

10.667 90.8445 142.02 . Q V . . .

10.750 91.8296 143.03 . Q V . . .

10.833 92.8217 144.06 . Q .V . . .

10.917 93.8210 145.11 . Q .V . . .

11.000 94.8278 146.18 . Q .V . . .

11.083 95.8422 147.28 . Q .V . . .

11.167 96.8643 148.41 . Q .V . . .

11.250 97.8943 149.56 . Q .V . . .

11.333 98.9325 150.75 . Q .V . . .

11.417 99.9790 151.95 . Q .V . . .

11.500 101.0341 153.20 . Q .V . . .

11.583 102.0979 154.47 . Q . V . . .

Meyers Creek – Upper Tributary B 2024

Page 14 of 18 ends

11.667 103.1707 155.77 . Q . V . . .

11.750 104.2527 157.11 . Q . V . . .

11.833 105.3442 158.49 . Q . V . . .

11.917 106.4454 159.89 . Q . V . . .

12.000 107.5567 161.35 . Q . V . . .

12.083 108.6792 162.99 . Q . V . . .

12.167 109.8160 165.06 . Q . V . . .

12.250 110.9705 167.62 . Q . V . . .

12.333 112.1443 170.45 . Q . V . . .

12.417 113.3355 172.96 . Q . V . . .

12.500 114.5420 175.18 . Q . V . . .

12.583 115.7630 177.29 . Q . V . . .

12.667 116.9984 179.37 . Q . V . . .

12.750 118.2481 181.46 . Q . V . . .

12.833 119.5125 183.58 . Q . V . . .

12.917 120.7916 185.74 . Q . V . . .

13.000 122.0861 187.95 . Q . V . . .

13.083 123.3961 190.22 . Q . V . . .

13.167 124.7223 192.56 . Q . V . . .

13.250 126.0651 194.98 . Q . V . . .

13.333 127.4252 197.48 . Q . V . . .

13.417 128.8031 200.07 . Q . V . . .

13.500 130.1996 202.77 . Q . V . . .

13.583 131.6153 205.57 . Q . V . . .

13.667 133.0512 208.49 . Q . V . . .

13.750 134.5080 211.52 . Q . V . . .

13.833 135.9868 214.72 . Q . V . . .

13.917 137.4884 218.04 . Q . V . . .

14.000 139.0141 221.53 . Q . V . . .

14.083 140.5616 224.69 . Q . V . . .

14.167 142.1238 226.84 . Q . V . . .

14.250 143.6922 227.73 . Q . V . . .

14.333 145.2639 228.21 . Q . V . . .

14.417 146.8484 230.06 . Q . V . . .

14.500 148.4556 233.38 . Q . V . . .

14.583 150.0916 237.54 . Q . V . . .

14.667 151.7609 242.39 . Q . V . . .

14.750 153.4675 247.80 . Q. V . . .

14.833 155.2156 253.82 . Q. V . . .

14.917 157.0095 260.47 . Q. V . . .

15.000 158.8543 267.87 . Q. V . . .

15.083 160.7552 276.01 . Q V. . .

15.167 162.7189 285.13 . Q V. . .

15.250 164.7526 295.29 . Q V. . .

15.333 166.8655 306.80 . .Q V. . .

15.417 169.0859 322.40 . .Q V . .

15.500 171.4705 346.24 . . Q V . .

15.583 174.0864 379.83 . . Q V . .

15.667 176.9792 420.04 . . Q V . .

15.750 180.1229 456.47 . . Q .V . .

Meyers Creek – Upper Tributary B 2024

Page 15 of 18 ends

15.833 183.4856 488.26 . . Q .V . .

15.917 187.0815 522.12 . . Q . V . .

16.000 191.0246 572.55 . . Q V . .

16.083 195.7631 688.02 . . . V Q . .

16.167 201.7263 865.87 . . . V .Q .

16.250 208.7912 1025.82 . . . V . Q .

16.333 216.1184 1063.91 . . . V . Q .

16.417 222.4386 917.69 . . . V . Q .

16.500 227.6825 761.40 . . . VQ . .

16.583 232.1753 652.36 . . . Q V . .

16.667 236.0826 567.33 . . Q V . .

16.750 239.5611 505.08 . . Q . V . .

16.833 242.7191 458.54 . . Q . V . .

16.917 245.6150 420.50 . . Q . V. .

17.000 248.2913 388.59 . . Q . V. .

17.083 250.8011 364.43 . . Q . V. .

17.167 253.1624 342.85 . . Q . V .

17.250 255.4098 326.33 . .Q . V .

17.333 257.5651 312.95 . .Q . V .

17.417 259.6310 299.97 . Q . V .

17.500 261.6107 287.45 . Q . .V .

17.583 263.5107 275.87 . Q . .V .

17.667 265.3214 262.91 . Q. . .V .

17.750 267.0680 253.61 . Q. . .V .

17.833 268.7532 244.69 . Q . . .V .

17.917 270.3647 233.99 . Q . . . V .

18.000 271.9033 223.39 . Q . . . V .

18.083 273.3958 216.71 . Q . . . V .

18.167 274.8430 210.14 . Q . . . V .

18.250 276.2460 203.72 . Q . . . V .

18.333 277.6069 197.60 . Q . . . V .

18.417 278.9301 192.13 . Q . . . V .

18.500 280.2197 187.25 . Q . . . V .

18.583 281.4771 182.56 . Q . . . V .

18.667 282.7009 177.71 . Q . . . V .

18.750 283.8849 171.92 . Q . . . V .

18.833 285.0239 165.38 . Q . . . V .

18.917 286.1367 161.58 . Q . . . V .

19.000 287.2255 158.09 . Q . . . V .

19.083 288.2926 154.95 . Q . . . V .

19.167 289.3407 152.18 . Q . . . V .

19.250 290.3710 149.60 . Q . . . V .

19.333 291.3846 147.18 . Q . . . V .

19.417 292.3824 144.89 . Q . . . V .

19.500 293.3654 142.73 . Q . . . V .

19.583 294.3343 140.67 . Q . . . V .

19.667 295.2897 138.73 . Q . . . V .

19.750 296.2322 136.86 . Q . . . V .

19.833 297.1622 135.04 . Q . . . V .

19.917 298.0803 133.30 . Q . . . V .

Meyers Creek – Upper Tributary B 2024

Page 16 of 18 ends

20.000 298.9869 131.64 . Q . . . V .

20.083 299.8826 130.05 . Q . . . V .

20.167 300.7677 128.52 . Q . . . V .

20.250 301.6426 127.04 . Q . . . V .

20.333 302.5077 125.61 . Q . . . V .

20.417 303.3633 124.23 . Q . . . V .

20.500 304.2096 122.90 . Q . . . V .

20.583 305.0471 121.61 . Q . . . V .

20.667 305.8760 120.36 . Q . . . V .

20.750 306.6966 119.15 . Q . . . V .

20.833 307.5092 117.98 . Q . . . V .

20.917 308.3140 116.86 . Q . . . V .

21.000 309.1112 115.76 . Q . . . V .

21.083 309.9011 114.70 . Q . . . V .

21.167 310.6839 113.66 . Q . . . V .

21.250 311.4598 112.66 . Q . . . V .

21.333 312.2289 111.68 . Q . . . V .

21.417 312.9915 110.73 . Q . . . V .

21.500 313.7477 109.80 . Q . . . V .

21.583 314.4976 108.89 . Q . . . V .

21.667 315.2415 108.01 . Q . . . V .

21.750 315.9794 107.15 . Q . . . V .

21.833 316.7116 106.31 . Q . . . V .

21.917 317.4381 105.49 . Q . . . V .

22.000 318.1591 104.69 . Q . . . V .

22.083 318.8747 103.91 . Q . . . V .

22.167 319.5851 103.14 . Q . . . V .

22.250 320.2903 102.40 . Q . . . V .

22.333 320.9904 101.66 . Q . . . V .

22.417 321.6857 100.95 . Q . . . V .

22.500 322.3761 100.25 . Q . . . V .

22.583 323.0618 99.56 . Q . . . V .

22.667 323.7429 98.89 . Q . . . V .

22.750 324.4195 98.24 . Q . . . V .

22.833 325.0916 97.59 . Q . . . V .

22.917 325.7594 96.96 . Q . . . V .

23.000 326.4229 96.34 . Q . . . V .

23.083 327.0822 95.73 . Q . . . V .

23.167 327.7375 95.14 . Q . . . V .

23.250 328.3887 94.55 . Q . . . V .

23.333 329.0359 93.98 . Q . . . V.

23.417 329.6793 93.42 . Q . . . V.

23.500 330.3189 92.87 . Q . . . V.

23.583 330.9547 92.32 . Q . . . V.

23.667 331.5869 91.79 . Q . . . V.

23.750 332.2155 91.27 . Q . . . V.

23.833 332.8405 90.75 . Q . . . V.

23.917 333.4621 90.25 . Q . . . V.

24.000 334.0802 89.75 . Q . . . V.

24.083 334.6796 87.03 . Q . . . V.

Meyers Creek – Upper Tributary B 2024

Page 17 of 18 ends

24.167 335.2232 78.93 . Q . . . V.

24.250 335.6669 64.44 . Q . . . V.

24.333 335.9905 46.99 .Q . . . V.

24.417 336.2292 34.65 .Q . . . V.

24.500 336.4178 27.39 Q . . . V.

24.583 336.5730 22.52 Q . . . V.

24.667 336.7035 18.95 Q . . . V.

24.750 336.8145 16.13 Q . . . V.

24.833 336.9095 13.79 Q . . . V.

24.917 336.9914 11.88 Q . . . V.

25.000 337.0624 10.32 Q . . . V.

25.083 337.1238 8.91 Q . . . V.

25.167 337.1769 7.72 Q . . . V.

25.250 337.2230 6.69 Q . . . V.

25.333 337.2627 5.76 Q . . . V.

25.417 337.2968 4.95 Q . . . V.

25.500 337.3258 4.22 Q . . . V.

25.583 337.3502 3.54 Q . . . V.

25.667 337.3711 3.04 Q . . . V.

25.750 337.3887 2.56 Q . . . V.

25.833 337.4030 2.08 Q . . . V.

25.917 337.4148 1.72 Q . . . V.

26.000 337.4254 1.53 Q . . . V.

26.083 337.4347 1.35 Q . . . V.

26.167 337.4428 1.17 Q . . . V.

26.250 337.4496 1.00 Q . . . V.

26.333 337.4553 0.82 Q . . . V.

26.417 337.4597 0.64 Q . . . V.

26.500 337.4630 0.47 Q . . . V.

26.583 337.4650 0.30 Q . . . V.

26.667 337.4659 0.12 Q . . . V
-------------------------------------------------------------------------------- TIME DURATION(minutes) OF PERCENTILES OF ESTIMATED PEAK FLOW RATE:
(Note: 100% of Peak Flow Rate estimate assumed to have
an instantaneous time duration)
Percentile of Estimated Duration
Peak Flow Rate (minutes)
======================= =========
0% 1600.0
10% 950.0
20% 260.0
30% 115.0
40% 70.0
50% 45.0
60% 35.0
70% 25.0
80% 20.0
90% 10.0
============================================================================ Meyers Creek – Upper Tributary B 2024

Page 18 of 18 ends

END OF FLOODSCx ROUTING ANALYSIS
500YR-FUTURE-UPPERTRIB-A-SAUH.docx Page 1 of 18
____________________________________________________________________________ ****************************************************************************

************************** DESCRIPTION OF STUDY ************************** * HYDROLOGY STUDY - MEYERS CREEK *
* SAUH - 500-YR - UPPER TRIBUTARY A *
* 07/25/2024 *
************************************************************************** FILE NAME: UTA500.DAT
TIME/DATE OF STUDY: 09:16 07/25/2024
**************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 7478.000 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 5123.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 1282.000 FEET
BASIN FACTOR = 0.040
WATERSHED AREA = 186.000 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.297 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

VALLEY(UNDEVELOPED)/DESERT S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.320
LOW LOSS FRACTION = 0.160
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.80
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 2.08
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 3.17
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 5.24
SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 7.47
SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 15.00
Meyers Creek – Upper tributary A 2024

Page 2 of 18 ends

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

Page 3 of 18 ends

31 99.754 4.527
32 99.955 4.527
33 100.000 1.007
Meyers Creek – Upper tributary A 2024

Page 4 of 18 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

PERIOD RAINFALL SOIL-LOSS RAINFALL
(NUMBER) (INCHES) (INCHES) (INCHES)
---------------------------------------------------------------------------- 1 0.0263 0.0042 0.0221
2 0.0263 0.0042 0.0221
3 0.0264 0.0042 0.0222
4 0.0264 0.0042 0.0222
5 0.0265 0.0042 0.0223
6 0.0266 0.0043 0.0223
7 0.0267 0.0043 0.0224
8 0.0267 0.0043 0.0224
9 0.0268 0.0043 0.0225
10 0.0269 0.0043 0.0226
11 0.0270 0.0043 0.0226
12 0.0270 0.0043 0.0227
13 0.0271 0.0043 0.0228
14 0.0272 0.0043 0.0228
15 0.0273 0.0044 0.0229
16 0.0273 0.0044 0.0229
17 0.0274 0.0044 0.0230
18 0.0275 0.0044 0.0231
19 0.0276 0.0044 0.0232
20 0.0276 0.0044 0.0232
21 0.0277 0.0044 0.0233
22 0.0278 0.0044 0.0233
23 0.0279 0.0045 0.0234
24 0.0279 0.0045 0.0235
25 0.0281 0.0045 0.0236
26 0.0281 0.0045 0.0236
27 0.0282 0.0045 0.0237
28 0.0283 0.0045 0.0238
29 0.0284 0.0045 0.0238
30 0.0285 0.0046 0.0239
31 0.0286 0.0046 0.0240
32 0.0286 0.0046 0.0240
33 0.0287 0.0046 0.0241
34 0.0288 0.0046 0.0242
35 0.0289 0.0046 0.0243
36 0.0290 0.0046 0.0243
37 0.0291 0.0047 0.0245
38 0.0292 0.0047 0.0245
39 0.0293 0.0047 0.0246
40 0.0294 0.0047 0.0247
41 0.0295 0.0047 0.0248
42 0.0296 0.0047 0.0248
43 0.0297 0.0047 0.0249
44 0.0297 0.0048 0.0250
45 0.0299 0.0048 0.0251
Meyers Creek – Upper tributary A 2024

Page 5 of 18 ends

46 0.0299 0.0048 0.0252
47 0.0301 0.0048 0.0253
48 0.0302 0.0048 0.0253
49 0.0303 0.0048 0.0254
50 0.0304 0.0049 0.0255
51 0.0305 0.0049 0.0256
52 0.0306 0.0049 0.0257
53 0.0307 0.0049 0.0258
54 0.0308 0.0049 0.0259
55 0.0309 0.0050 0.0260
56 0.0310 0.0050 0.0261
57 0.0312 0.0050 0.0262
58 0.0312 0.0050 0.0262
59 0.0314 0.0050 0.0264
60 0.0315 0.0050 0.0264
61 0.0316 0.0051 0.0266
62 0.0317 0.0051 0.0266
63 0.0319 0.0051 0.0268
64 0.0320 0.0051 0.0268
65 0.0321 0.0051 0.0270
66 0.0322 0.0052 0.0271
67 0.0324 0.0052 0.0272
68 0.0325 0.0052 0.0273
69 0.0326 0.0052 0.0274
70 0.0327 0.0052 0.0275
71 0.0329 0.0053 0.0276
72 0.0330 0.0053 0.0277
73 0.0332 0.0053 0.0279
74 0.0333 0.0053 0.0279
75 0.0334 0.0054 0.0281
76 0.0335 0.0054 0.0282
77 0.0337 0.0054 0.0283
78 0.0338 0.0054 0.0284
79 0.0340 0.0054 0.0286
80 0.0341 0.0055 0.0287
81 0.0343 0.0055 0.0288
82 0.0344 0.0055 0.0289
83 0.0346 0.0055 0.0291
84 0.0347 0.0056 0.0292
85 0.0350 0.0056 0.0294
86 0.0351 0.0056 0.0295
87 0.0353 0.0056 0.0296
88 0.0354 0.0057 0.0297
89 0.0356 0.0057 0.0299
90 0.0357 0.0057 0.0300
91 0.0360 0.0058 0.0302
92 0.0361 0.0058 0.0303
93 0.0363 0.0058 0.0305
94 0.0364 0.0058 0.0306
95 0.0367 0.0059 0.0308
Meyers Creek – Upper tributary A 2024

Page 6 of 18 ends

96 0.0368 0.0059 0.0309
97 0.0371 0.0059 0.0311
98 0.0372 0.0060 0.0312
99 0.0375 0.0060 0.0315
100 0.0376 0.0060 0.0316
101 0.0379 0.0061 0.0318
102 0.0380 0.0061 0.0319
103 0.0383 0.0061 0.0322
104 0.0384 0.0061 0.0323
105 0.0387 0.0062 0.0325
106 0.0389 0.0062 0.0326
107 0.0392 0.0063 0.0329
108 0.0393 0.0063 0.0330
109 0.0396 0.0063 0.0333
110 0.0398 0.0064 0.0334
111 0.0401 0.0064 0.0337
112 0.0403 0.0064 0.0338
113 0.0406 0.0065 0.0341
114 0.0408 0.0065 0.0342
115 0.0411 0.0066 0.0345
116 0.0413 0.0066 0.0347
117 0.0416 0.0067 0.0350
118 0.0418 0.0067 0.0351
119 0.0422 0.0068 0.0354
120 0.0424 0.0068 0.0356
121 0.0428 0.0068 0.0359
122 0.0430 0.0069 0.0361
123 0.0434 0.0069 0.0364
124 0.0436 0.0070 0.0366
125 0.0440 0.0070 0.0370
126 0.0442 0.0071 0.0372
127 0.0447 0.0071 0.0375
128 0.0449 0.0072 0.0377
129 0.0454 0.0073 0.0381
130 0.0456 0.0073 0.0383
131 0.0461 0.0074 0.0387
132 0.0463 0.0074 0.0389
133 0.0469 0.0075 0.0394
134 0.0471 0.0075 0.0396
135 0.0477 0.0076 0.0400
136 0.0479 0.0077 0.0403
137 0.0485 0.0078 0.0407
138 0.0488 0.0078 0.0410
139 0.0494 0.0079 0.0415
140 0.0497 0.0080 0.0417
141 0.0503 0.0081 0.0423
142 0.0507 0.0081 0.0425
143 0.0513 0.0082 0.0431
144 0.0517 0.0083 0.0434
145 0.0532 0.0085 0.0447
Meyers Creek – Upper tributary A 2024

Page 7 of 18 ends

146 0.0536 0.0086 0.0450
147 0.0543 0.0087 0.0456
148 0.0547 0.0088 0.0460
149 0.0555 0.0089 0.0466
150 0.0559 0.0090 0.0470
151 0.0568 0.0091 0.0477
152 0.0573 0.0092 0.0481
153 0.0582 0.0093 0.0489
154 0.0587 0.0094 0.0493
155 0.0597 0.0095 0.0501
156 0.0602 0.0096 0.0506
157 0.0613 0.0098 0.0515
158 0.0619 0.0099 0.0520
159 0.0630 0.0101 0.0530
160 0.0637 0.0102 0.0535
161 0.0650 0.0104 0.0546
162 0.0656 0.0105 0.0551
163 0.0671 0.0107 0.0563
164 0.0678 0.0109 0.0570
165 0.0694 0.0111 0.0583
166 0.0702 0.0112 0.0590
167 0.0720 0.0115 0.0605
168 0.0729 0.0117 0.0612
169 0.0681 0.0109 0.0572
170 0.0691 0.0111 0.0581
171 0.0714 0.0114 0.0600
172 0.0726 0.0116 0.0610
173 0.0752 0.0120 0.0632
174 0.0766 0.0123 0.0643
175 0.0796 0.0127 0.0669
176 0.0813 0.0130 0.0683
177 0.0849 0.0136 0.0713
178 0.0869 0.0139 0.0730
179 0.0914 0.0146 0.0767
180 0.0938 0.0150 0.0788
181 0.0994 0.0159 0.0835
182 0.1026 0.0164 0.0862
183 0.1100 0.0176 0.0924
184 0.1143 0.0183 0.0960
185 0.1618 0.0259 0.1359
186 0.1679 0.0267 0.1412
187 0.1822 0.0267 0.1555
188 0.1916 0.0267 0.1649
189 0.1909 0.0267 0.1643
190 0.2099 0.0267 0.1832
191 0.2768 0.0267 0.2501
192 0.3548 0.0267 0.3282
193 0.7928 0.0267 0.7661
194 0.2360 0.0267 0.2094
195 0.2024 0.0267 0.1758
Meyers Creek – Upper tributary A 2024

Page 8 of 18 ends

196 0.1744 0.0267 0.1477
197 0.1191 0.0191 0.1000
198 0.1061 0.0170 0.0891
199 0.0965 0.0154 0.0811
200 0.0891 0.0143 0.0748
201 0.0830 0.0133 0.0698
202 0.0781 0.0125 0.0656
203 0.0739 0.0118 0.0620
204 0.0702 0.0112 0.0590
205 0.0739 0.0118 0.0621
206 0.0711 0.0114 0.0597
207 0.0686 0.0110 0.0576
208 0.0663 0.0106 0.0557
209 0.0643 0.0103 0.0540
210 0.0624 0.0100 0.0525
211 0.0607 0.0097 0.0510
212 0.0592 0.0095 0.0497
213 0.0577 0.0092 0.0485
214 0.0564 0.0090 0.0474
215 0.0551 0.0088 0.0463
216 0.0539 0.0086 0.0453
217 0.0520 0.0083 0.0437
218 0.0510 0.0082 0.0428
219 0.0500 0.0080 0.0420
220 0.0491 0.0079 0.0412
221 0.0482 0.0077 0.0405
222 0.0474 0.0076 0.0398
223 0.0466 0.0075 0.0391
224 0.0458 0.0073 0.0385
225 0.0451 0.0072 0.0379
226 0.0445 0.0071 0.0373
227 0.0438 0.0070 0.0368
228 0.0432 0.0069 0.0363
229 0.0426 0.0068 0.0358
230 0.0420 0.0067 0.0353
231 0.0415 0.0066 0.0348
232 0.0409 0.0065 0.0344
233 0.0404 0.0065 0.0340
234 0.0399 0.0064 0.0335
235 0.0395 0.0063 0.0331
236 0.0390 0.0062 0.0328
237 0.0386 0.0062 0.0324
238 0.0381 0.0061 0.0320
239 0.0377 0.0060 0.0317
240 0.0373 0.0060 0.0314
241 0.0369 0.0059 0.0310
242 0.0366 0.0059 0.0307
243 0.0362 0.0058 0.0304
244 0.0358 0.0057 0.0301
245 0.0355 0.0057 0.0298
Meyers Creek – Upper tributary A 2024

Page 9 of 18 ends

246 0.0352 0.0056 0.0295
247 0.0348 0.0056 0.0293
248 0.0345 0.0055 0.0290
249 0.0342 0.0055 0.0287
250 0.0339 0.0054 0.0285
251 0.0336 0.0054 0.0283
252 0.0334 0.0053 0.0280
253 0.0331 0.0053 0.0278
254 0.0328 0.0052 0.0276
255 0.0325 0.0052 0.0273
256 0.0323 0.0052 0.0271
257 0.0320 0.0051 0.0269
258 0.0318 0.0051 0.0267
259 0.0316 0.0050 0.0265
260 0.0313 0.0050 0.0263
261 0.0311 0.0050 0.0261
262 0.0309 0.0049 0.0259
263 0.0306 0.0049 0.0257
264 0.0304 0.0049 0.0256
265 0.0302 0.0048 0.0254
266 0.0300 0.0048 0.0252
267 0.0298 0.0048 0.0250
268 0.0296 0.0047 0.0249
269 0.0294 0.0047 0.0247
270 0.0292 0.0047 0.0246
271 0.0290 0.0046 0.0244
272 0.0289 0.0046 0.0242
273 0.0287 0.0046 0.0241
274 0.0285 0.0046 0.0239
275 0.0283 0.0045 0.0238
276 0.0282 0.0045 0.0237
277 0.0280 0.0045 0.0235
278 0.0278 0.0045 0.0234
279 0.0277 0.0044 0.0232
280 0.0275 0.0044 0.0231
281 0.0274 0.0044 0.0230
282 0.0272 0.0044 0.0229
283 0.0271 0.0043 0.0227
284 0.0269 0.0043 0.0226
285 0.0268 0.0043 0.0225
286 0.0266 0.0043 0.0224
287 0.0265 0.0042 0.0222
288 0.0263 0.0042 0.0221
TOTAL STORM RAINFALL(INCHES) = 15.00
TOTAL SOIL-LOSS(INCHES) = 2.22
TOTAL EFFECTIVE RAINFALL(INCHES) = 12.78
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 34.3570
Meyers Creek – Upper tributary A 2024

Page 10 of 18 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 198.0406
---------------------------------------------------------------------------- Meyers Creek – Upper tributary A 2024

Page 11 of 18 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 200.0 400.0 600.0 800.0
----------------------------------------------------------------------------

0.083 0.0090 1.30 Q . . . .

0.167 0.0489 5.80 Q . . . .

0.250 0.1459 14.10 Q . . . .

0.333 0.3113 24.01 VQ . . . .

0.417 0.5239 30.87 VQ . . . .

0.500 0.7644 34.92 VQ . . . .

0.583 1.0238 37.66 VQ . . . .

0.667 1.2974 39.72 VQ . . . .

0.750 1.5823 41.37 V Q . . . .

0.833 1.8767 42.75 V Q . . . .

0.917 2.1791 43.90 V Q . . . .

1.000 2.4880 44.87 V Q . . . .

1.083 2.8032 45.75 V Q . . . .

1.167 3.1236 46.53 V Q . . . .

1.250 3.4487 47.21 V Q . . . .

1.333 3.7782 47.84 V Q . . . .

1.417 4.1116 48.41 V Q . . . .

1.500 4.4487 48.95 V Q . . . .

1.583 4.7893 49.44 V Q . . . .

1.667 5.1326 49.85 .VQ . . . .

1.750 5.4788 50.26 .VQ . . . .

1.833 5.8277 50.67 .VQ . . . .

1.917 6.1787 50.97 .VQ . . . .

2.000 6.5315 51.21 .VQ . . . .

2.083 6.8859 51.46 .VQ . . . .

2.167 7.2420 51.71 .VQ . . . .

2.250 7.5998 51.96 .VQ . . . .

2.333 7.9594 52.21 .VQ . . . .

2.417 8.3207 52.46 .VQ . . . .

2.500 8.6837 52.72 .VQ . . . .

2.583 9.0486 52.97 .VQ . . . .

2.667 9.4152 53.23 .VQ . . . .

2.750 9.7830 53.41 .VQ . . . .

2.833 10.1520 53.58 . Q . . . .

2.917 10.5221 53.74 . Q . . . .

3.000 10.8933 53.90 . Q . . . .

3.083 11.2657 54.07 . Q . . . .

3.167 11.6392 54.24 . Q . . . .

3.250 12.0139 54.40 . Q . . . .

Meyers Creek – Upper tributary A 2024

Page 12 of 18 ends

3.333 12.3898 54.58 . Q . . . .

3.417 12.7668 54.75 . Q . . . .

3.500 13.1451 54.92 . Q . . . .

3.583 13.5245 55.10 . Q . . . .

3.667 13.9052 55.27 . Q . . . .

3.750 14.2871 55.45 . Q . . . .

3.833 14.6703 55.63 . Q . . . .

3.917 15.0547 55.82 . QV . . . .

4.000 15.4404 56.00 . QV . . . .

4.083 15.8273 56.19 . QV . . . .

4.167 16.2156 56.38 . QV . . . .

4.250 16.6051 56.56 . QV . . . .

4.333 16.9960 56.76 . QV . . . .

4.417 17.3883 56.95 . QV . . . .

4.500 17.7818 57.15 . QV . . . .

4.583 18.1768 57.34 . QV . . . .

4.667 18.5731 57.55 . QV . . . .

4.750 18.9708 57.75 . QV . . . .

4.833 19.3699 57.95 . QV . . . .

4.917 19.7705 58.16 . QV . . . .

5.000 20.1724 58.37 . Q V . . . .

5.083 20.5759 58.58 . Q V . . . .

5.167 20.9808 58.79 . Q V . . . .

5.250 21.3872 59.01 . Q V . . . .

5.333 21.7951 59.23 . Q V . . . .

5.417 22.2045 59.45 . Q V . . . .

5.500 22.6154 59.67 . Q V . . . .

5.583 23.0279 59.89 . Q V . . . .

5.667 23.4420 60.12 . QV . . . .

5.750 23.8576 60.35 . QV . . . .

5.833 24.2749 60.59 . QV . . . .

5.917 24.6938 60.82 . QV . . . .

6.000 25.1144 61.06 . Q V . . . .

6.083 25.5366 61.31 . Q V . . . .

6.167 25.9605 61.55 . Q V . . . .

6.250 26.3861 61.80 . Q V . . . .

6.333 26.8134 62.05 . Q V . . . .

6.417 27.2425 62.30 . Q V . . . .

6.500 27.6734 62.56 . Q V . . . .

6.583 28.1061 62.82 . Q V . . . .

6.667 28.5405 63.09 . Q V . . . .

6.750 28.9769 63.35 . Q V . . . .

6.833 29.4150 63.62 . Q V . . . .

6.917 29.8551 63.90 . Q V . . . .

7.000 30.2971 64.18 . Q V . . . .

7.083 30.7410 64.46 . Q V . . . .

7.167 31.1869 64.74 . Q V . . . .

7.250 31.6348 65.03 . Q V . . . .

7.333 32.0847 65.32 . Q V . . . .

7.417 32.5366 65.62 . Q V . . . .

Meyers Creek – Upper tributary A 2024

Page 13 of 18 ends

7.500 32.9906 65.92 . Q V . . . .

7.583 33.4467 66.23 . Q V . . . .

7.667 33.9050 66.54 . Q V . . . .

7.750 34.3654 66.85 . Q V . . . .

7.833 34.8280 67.17 . Q V . . . .

7.917 35.2928 67.49 . Q V . . . .

8.000 35.7599 67.82 . Q V . . . .

8.083 36.2293 68.15 . Q V . . . .

8.167 36.7010 68.49 . Q V . . . .

8.250 37.1750 68.83 . Q V . . . .

8.333 37.6515 69.18 . Q V . . . .

8.417 38.1304 69.54 . Q V . . . .

8.500 38.6118 69.90 . Q V . . . .

8.583 39.0957 70.26 . Q V . . . .

8.667 39.5821 70.63 . Q V . . . .

8.750 40.0711 71.01 . Q V . . . .

8.833 40.5628 71.39 . Q V . . . .

8.917 41.0571 71.78 . Q V . . . .

9.000 41.5542 72.17 . Q V . . . .

9.083 42.0540 72.58 . Q V . . . .

9.167 42.5567 72.99 . Q V . . . .

9.250 43.0622 73.40 . Q V . . . .

9.333 43.5707 73.83 . Q V . . . .

9.417 44.0820 74.25 . Q V . . . .

9.500 44.5965 74.69 . Q V. . . .

9.583 45.1140 75.14 . Q V. . . .

9.667 45.6346 75.59 . Q V. . . .

9.750 46.1584 76.06 . Q V. . . .

9.833 46.6854 76.53 . Q V. . . .

9.917 47.2158 77.01 . Q V. . . .

10.000 47.7496 77.50 . Q V. . . .

10.083 48.2867 78.00 . Q V. . . .

10.167 48.8274 78.51 . Q V. . . .

10.250 49.3717 79.03 . Q V. . . .

10.333 49.9196 79.56 . Q V . . .

10.417 50.4712 80.10 . Q V . . .

10.500 51.0267 80.65 . Q V . . .

10.583 51.5860 81.21 . Q V . . .

10.667 52.1493 81.79 . Q V . . .

10.750 52.7166 82.38 . Q V . . .

10.833 53.2881 82.98 . Q V . . .

10.917 53.8638 83.59 . Q V . . .

11.000 54.4438 84.22 . Q V . . .

11.083 55.0283 84.86 . Q .V . . .

11.167 55.6173 85.52 . Q .V . . .

11.250 56.2109 86.20 . Q .V . . .

11.333 56.8093 86.89 . Q .V . . .

11.417 57.4126 87.59 . Q .V . . .

11.500 58.0209 88.32 . Q .V . . .

11.583 58.6343 89.06 . Q .V . . .

Meyers Creek – Upper tributary A 2024

Page 14 of 18 ends

11.667 59.2529 89.83 . Q .V . . .

11.750 59.8770 90.61 . Q . V . . .

11.833 60.5066 91.42 . Q . V . . .

11.917 61.1418 92.24 . Q . V . . .

12.000 61.7830 93.09 . Q . V . . .

12.083 62.4304 94.00 . Q . V . . .

12.167 63.0850 95.05 . Q . V . . .

12.250 63.7477 96.23 . Q . V . . .

12.333 64.4192 97.49 . Q . V . . .

12.417 65.0988 98.69 . Q . V . . .

12.500 65.7863 99.83 . Q . V . . .

12.583 66.4816 100.95 . Q . V . . .

12.667 67.1848 102.10 . Q . V . . .

12.750 67.8959 103.26 . Q . V . . .

12.833 68.6153 104.46 . Q . V . . .

12.917 69.3432 105.68 . Q . V . . .

13.000 70.0798 106.95 . Q . V . . .

13.083 70.8253 108.25 . Q . V . . .

13.167 71.5802 109.61 . Q . V . . .

13.250 72.3447 111.01 . Q . V . . .

13.333 73.1193 112.47 . Q . V . . .

13.417 73.9042 113.97 . Q . V . . .

13.500 74.7000 115.55 . Q . V . . .

13.583 75.5071 117.19 . Q . V . . .

13.667 76.3260 118.90 . Q . V . . .

13.750 77.1572 120.69 . Q . V . . .

13.833 78.0013 122.57 . Q . V . . .

13.917 78.8589 124.53 . Q . V . . .

14.000 79.7308 126.59 . Q . V . . .

14.083 80.6152 128.42 . Q . V . . .

14.167 81.5075 129.55 . Q . V . . .

14.250 82.4015 129.82 . Q . V . . .

14.333 83.2957 129.83 . Q . V . . .

14.417 84.1964 130.78 . Q . V . . .

14.500 85.1100 132.66 . Q . V . . .

14.583 86.0402 135.07 . Q . V . . .

14.667 86.9899 137.90 . Q . V . . .

14.750 87.9615 141.07 . Q . V . . .

14.833 88.9576 144.63 . Q . V . . .

14.917 89.9808 148.56 . Q . V . . .

15.000 91.0342 152.96 . Q . V . . .

15.083 92.1210 157.80 . Q . V . . .

15.167 93.2452 163.24 . Q . V . . .

15.250 94.4114 169.32 . Q . V. . .

15.333 95.6250 176.22 . Q . V. . .

15.417 96.9053 185.91 . Q. V. . .

15.500 98.2924 201.40 . Q V. . .

15.583 99.8343 223.89 . .Q V . .

15.667 101.5634 251.05 . . Q V . .

15.750 103.4618 275.66 . . Q V . .

Meyers Creek – Upper tributary A 2024

Page 15 of 18 ends

15.833 105.5104 297.45 . . Q .V . .

15.917 107.7215 321.05 . . Q .V . .

16.000 110.1813 357.17 . . Q . V . .

16.083 113.2128 440.17 . . . Q . .

16.167 117.1227 567.72 . . . V Q . .

16.250 121.8108 680.71 . . . V . Q .

16.333 126.6428 701.61 . . . V . Q .

16.417 130.7279 593.15 . . . V Q. .

16.500 134.0602 483.85 . . . Q V . .

16.583 136.8693 407.89 . . Q V . .

16.667 139.2805 350.10 . . Q . V . .

16.750 141.4031 308.20 . . Q . V . .

16.833 143.3156 277.69 . . Q . V . .

16.917 145.0554 252.62 . . Q . V. .

17.000 146.6546 232.21 . .Q . V. .

17.083 148.1477 216.79 . Q . V. .

17.167 149.5466 203.13 . Q . V .

17.250 150.8724 192.50 . Q. . V .

17.333 152.1436 184.57 . Q. . V .

17.417 153.3559 176.03 . Q . . V .

17.500 154.5167 168.54 . Q . . .V .

17.583 155.6236 160.72 . Q . . .V .

17.667 156.6768 152.93 . Q . . .V .

17.750 157.6912 147.30 . Q . . .V .

17.833 158.6660 141.53 . Q . . . V .

17.917 159.5875 133.81 . Q . . . V .

18.000 160.4711 128.29 . Q . . . V .

18.083 161.3273 124.32 . Q . . . V .

18.167 162.1579 120.59 . Q . . . V .

18.250 162.9648 117.16 . Q . . . V .

18.333 163.7495 113.94 . Q . . . V .

18.417 164.5139 110.99 . Q . . . V .

18.500 165.2592 108.22 . Q . . . V .

18.583 165.9848 105.37 . Q . . . V .

18.667 166.6894 102.30 . Q . . . V .

18.750 167.3625 97.73 . Q . . . V .

18.833 168.0153 94.79 . Q . . . V .

18.917 168.6529 92.59 . Q . . . V .

19.000 169.2769 90.60 . Q . . . V .

19.083 169.8890 88.87 . Q . . . V .

19.167 170.4902 87.31 . Q . . . V .

19.250 171.0815 85.84 . Q . . . V .

19.333 171.6632 84.47 . Q . . . V .

19.417 172.2359 83.17 . Q . . . V .

19.500 172.8002 81.93 . Q . . . V .

19.583 173.3564 80.76 . Q . . . V .

19.667 173.9050 79.65 . Q . . . V .

19.750 174.4460 78.56 . Q . . . V .

19.833 174.9799 77.52 . Q . . . V .

19.917 175.5069 76.52 . Q . . . V .

Meyers Creek – Upper tributary A 2024

Page 16 of 18 ends

20.000 176.0273 75.56 . Q . . . V .

20.083 176.5414 74.64 . Q . . . V .

20.167 177.0494 73.76 . Q . . . V .

20.250 177.5515 72.90 . Q . . . V .

20.333 178.0479 72.08 . Q . . . V .

20.417 178.5388 71.28 . Q . . . V .

20.500 179.0245 70.51 . Q . . . V .

20.583 179.5050 69.77 . Q . . . V .

20.667 179.9805 69.05 . Q . . . V .

20.750 180.4513 68.35 . Q . . . V .

20.833 180.9174 67.68 . Q . . . V .

20.917 181.3790 67.02 . Q . . . V .

21.000 181.8362 66.39 . Q . . . V .

21.083 182.2892 65.77 . Q . . . V .

21.167 182.7381 65.17 . Q . . . V .

21.250 183.1829 64.59 . Q . . . V .

21.333 183.6238 64.02 . Q . . . V .

21.417 184.0610 63.47 . Q . . . V .

21.500 184.4944 62.93 . Q . . . V .

21.583 184.9242 62.41 . Q . . . V .

21.667 185.3505 61.90 . Q . . . V .

21.750 185.7733 61.40 . Q . . . V .

21.833 186.1928 60.91 . Q . . . V .

21.917 186.6091 60.44 . Q . . . V .

22.000 187.0221 59.97 . Q . . . V .

22.083 187.4320 59.52 . Q . . . V .

22.167 187.8389 59.08 . Q . . . V .

22.250 188.2428 58.64 . Q . . . V .

22.333 188.6437 58.22 . Q . . . V .

22.417 189.0418 57.81 . Q . . . V .

22.500 189.4371 57.40 . Q . . . V .

22.583 189.8297 57.00 . Q . . . V .

22.667 190.2196 56.61 . Q . . . V .

22.750 190.6069 56.23 . Q . . . V .

22.833 190.9916 55.86 . Q . . . V .

22.917 191.3738 55.49 . Q . . . V .

23.000 191.7535 55.14 . Q . . . V .

23.083 192.1308 54.78 . Q . . . V .

23.167 192.5058 54.44 . Q . . . V .

23.250 192.8784 54.10 . Q . . . V .

23.333 193.2487 53.77 . Q . . . V.

23.417 193.6168 53.44 . Q . . . V.

23.500 193.9826 53.12 . Q . . . V.

23.583 194.3463 52.81 . Q . . . V.

23.667 194.7079 52.50 . Q . . . V.

23.750 195.0674 52.20 . Q . . . V.

23.833 195.4249 51.90 . Q . . . V.

23.917 195.7803 51.61 . Q . . . V.

24.000 196.1337 51.32 . Q . . . V.

24.083 196.4763 49.74 . Q . . . V.

Meyers Creek – Upper tributary A 2024

Page 17 of 18 ends

24.167 196.7860 44.98 . Q . . . V.

24.250 197.0372 36.46 .Q . . . V.

24.333 197.2190 26.40 .Q . . . V.

24.417 197.3530 19.46 Q . . . V.

24.500 197.4590 15.39 Q . . . V.

24.583 197.5462 12.66 Q . . . V.

24.667 197.6194 10.63 Q . . . V.

24.750 197.6817 9.04 Q . . . V.

24.833 197.7348 7.71 Q . . . V.

24.917 197.7805 6.64 Q . . . V.

25.000 197.8201 5.75 Q . . . V.

25.083 197.8543 4.96 Q . . . V.

25.167 197.8838 4.28 Q . . . V.

25.250 197.9093 3.71 Q . . . V.

25.333 197.9312 3.18 Q . . . V.

25.417 197.9499 2.73 Q . . . V.

25.500 197.9658 2.30 Q . . . V.

25.583 197.9791 1.94 Q . . . V.

25.667 197.9905 1.65 Q . . . V.

25.750 198.0000 1.38 Q . . . V.

25.833 198.0076 1.10 Q . . . V.

25.917 198.0141 0.94 Q . . . V.

26.000 198.0199 0.84 Q . . . V.

26.083 198.0249 0.74 Q . . . V.

26.167 198.0293 0.63 Q . . . V.

26.250 198.0329 0.53 Q . . . V.

26.333 198.0359 0.43 Q . . . V.

26.417 198.0381 0.32 Q . . . V.

26.500 198.0397 0.22 Q . . . V.

26.583 198.0405 0.12 Q . . . V.

26.667 198.0407 0.02 Q . . . V
-------------------------------------------------------------------------------- TIME DURATION(minutes) OF PERCENTILES OF ESTIMATED PEAK FLOW RATE:
(Note: 100% of Peak Flow Rate estimate assumed to have
an instantaneous time duration)
Percentile of Estimated Duration
Peak Flow Rate (minutes)
======================= =========
0% 1600.0
10% 720.0
20% 190.0
30% 95.0
40% 60.0
50% 40.0
60% 30.0
70% 20.0
80% 20.0
90% 10.0
============================================================================ Meyers Creek – Upper tributary A 2024

Page 18 of 18 ends

END OF FLOODSCx ROUTING ANALYSIS
500YR-FUTURE-UPPERTRIB-B-SAUH.docx Page 1 of 18
____________________________________________________________________________ ****************************************************************************

************************** DESCRIPTION OF STUDY ************************** * HYDROLOGY STUDY - MEYERS CREEK *
* SAUH - 500-YR - UPPER TRIBUTARY B *
* 07/25/2024 *
************************************************************************** FILE NAME: UTB500.DAT
TIME/DATE OF STUDY: 09:27 07/25/2024
**************************************************************************** FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 9411.000 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 5122.000 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2360.000 FEET
BASIN FACTOR = 0.040
WATERSHED AREA = 341.000 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.302 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

VALLEY(UNDEVELOPED)/DESERT S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.120
LOW LOSS FRACTION = 0.030
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.80
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 2.08
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 3.17
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 5.24
SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 7.47
SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 15.00
Meyers Creek – Upper Tributary B 2024

Page 2 of 18 ends

*USER SPECIFIED PRECIPITATION DEPTH-AREA REDUCTION FACTORS:
5-MINUTE FACTOR = 0.991
30-MINUTE FACTOR = 0.991
1-HOUR FACTOR = 0.991
3-HOUR FACTOR = 0.999
6-HOUR FACTOR = 0.999
24-HOUR FACTOR = 1.000
UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES
UNIT INTERVAL PERCENTAGE OF LAG-TIME = 27.628
============================================================================

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

Page 3 of 18 ends

31 99.662 8.169
32 99.860 8.169
33 100.000 5.780
Meyers Creek – Upper Tributary B 2024

Page 4 of 18 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

PERIOD RAINFALL SOIL-LOSS RAINFALL
(NUMBER) (INCHES) (INCHES) (INCHES)
---------------------------------------------------------------------------- 1 0.0263 0.0008 0.0255
2 0.0263 0.0008 0.0255
3 0.0264 0.0008 0.0256
4 0.0264 0.0008 0.0256
5 0.0265 0.0008 0.0257
6 0.0266 0.0008 0.0258
7 0.0267 0.0008 0.0259
8 0.0267 0.0008 0.0259
9 0.0268 0.0008 0.0260
10 0.0269 0.0008 0.0261
11 0.0270 0.0008 0.0262
12 0.0270 0.0008 0.0262
13 0.0271 0.0008 0.0263
14 0.0272 0.0008 0.0263
15 0.0273 0.0008 0.0264
16 0.0273 0.0008 0.0265
17 0.0274 0.0008 0.0266
18 0.0275 0.0008 0.0266
19 0.0276 0.0008 0.0267
20 0.0276 0.0008 0.0268
21 0.0277 0.0008 0.0269
22 0.0278 0.0008 0.0269
23 0.0279 0.0008 0.0271
24 0.0279 0.0008 0.0271
25 0.0281 0.0008 0.0272
26 0.0281 0.0008 0.0273
27 0.0282 0.0008 0.0274
28 0.0283 0.0008 0.0274
29 0.0284 0.0009 0.0275
30 0.0285 0.0009 0.0276
31 0.0286 0.0009 0.0277
32 0.0286 0.0009 0.0278
33 0.0287 0.0009 0.0279
34 0.0288 0.0009 0.0279
35 0.0289 0.0009 0.0281
36 0.0290 0.0009 0.0281
37 0.0291 0.0009 0.0282
38 0.0292 0.0009 0.0283
39 0.0293 0.0009 0.0284
40 0.0294 0.0009 0.0285
41 0.0295 0.0009 0.0286
42 0.0296 0.0009 0.0287
43 0.0297 0.0009 0.0288
44 0.0297 0.0009 0.0289
45 0.0299 0.0009 0.0290
Meyers Creek – Upper Tributary B 2024

Page 5 of 18 ends

46 0.0299 0.0009 0.0291
47 0.0301 0.0009 0.0292
48 0.0302 0.0009 0.0292
49 0.0303 0.0009 0.0294
50 0.0304 0.0009 0.0295
51 0.0305 0.0009 0.0296
52 0.0306 0.0009 0.0297
53 0.0307 0.0009 0.0298
54 0.0308 0.0009 0.0299
55 0.0309 0.0009 0.0300
56 0.0310 0.0009 0.0301
57 0.0312 0.0009 0.0302
58 0.0312 0.0009 0.0303
59 0.0314 0.0009 0.0305
60 0.0315 0.0009 0.0305
61 0.0316 0.0009 0.0307
62 0.0317 0.0010 0.0308
63 0.0319 0.0010 0.0309
64 0.0320 0.0010 0.0310
65 0.0321 0.0010 0.0312
66 0.0322 0.0010 0.0312
67 0.0324 0.0010 0.0314
68 0.0325 0.0010 0.0315
69 0.0326 0.0010 0.0317
70 0.0327 0.0010 0.0317
71 0.0329 0.0010 0.0319
72 0.0330 0.0010 0.0320
73 0.0332 0.0010 0.0322
74 0.0333 0.0010 0.0323
75 0.0334 0.0010 0.0324
76 0.0335 0.0010 0.0325
77 0.0337 0.0010 0.0327
78 0.0338 0.0010 0.0328
79 0.0340 0.0010 0.0330
80 0.0341 0.0010 0.0331
81 0.0343 0.0010 0.0333
82 0.0344 0.0010 0.0334
83 0.0346 0.0010 0.0336
84 0.0347 0.0010 0.0337
85 0.0350 0.0010 0.0339
86 0.0351 0.0011 0.0340
87 0.0353 0.0011 0.0342
88 0.0354 0.0011 0.0343
89 0.0356 0.0011 0.0345
90 0.0357 0.0011 0.0347
91 0.0360 0.0011 0.0349
92 0.0361 0.0011 0.0350
93 0.0363 0.0011 0.0352
94 0.0364 0.0011 0.0353
95 0.0367 0.0011 0.0356
Meyers Creek – Upper Tributary B 2024

Page 6 of 18 ends

96 0.0368 0.0011 0.0357
97 0.0371 0.0011 0.0360
98 0.0372 0.0011 0.0361
99 0.0375 0.0011 0.0363
100 0.0376 0.0011 0.0365
101 0.0379 0.0011 0.0367
102 0.0380 0.0011 0.0369
103 0.0383 0.0011 0.0371
104 0.0384 0.0012 0.0373
105 0.0387 0.0012 0.0375
106 0.0389 0.0012 0.0377
107 0.0392 0.0012 0.0380
108 0.0393 0.0012 0.0381
109 0.0396 0.0012 0.0384
110 0.0398 0.0012 0.0386
111 0.0401 0.0012 0.0389
112 0.0403 0.0012 0.0390
113 0.0406 0.0012 0.0394
114 0.0408 0.0012 0.0395
115 0.0411 0.0012 0.0399
116 0.0413 0.0012 0.0400
117 0.0416 0.0012 0.0404
118 0.0418 0.0013 0.0406
119 0.0422 0.0013 0.0409
120 0.0424 0.0013 0.0411
121 0.0428 0.0013 0.0415
122 0.0430 0.0013 0.0417
123 0.0434 0.0013 0.0421
124 0.0436 0.0013 0.0423
125 0.0440 0.0013 0.0427
126 0.0442 0.0013 0.0429
127 0.0447 0.0013 0.0433
128 0.0449 0.0013 0.0436
129 0.0454 0.0014 0.0440
130 0.0456 0.0014 0.0442
131 0.0461 0.0014 0.0447
132 0.0463 0.0014 0.0450
133 0.0469 0.0014 0.0454
134 0.0471 0.0014 0.0457
135 0.0477 0.0014 0.0462
136 0.0479 0.0014 0.0465
137 0.0485 0.0015 0.0470
138 0.0488 0.0015 0.0473
139 0.0494 0.0015 0.0479
140 0.0497 0.0015 0.0482
141 0.0503 0.0015 0.0488
142 0.0507 0.0015 0.0491
143 0.0513 0.0015 0.0498
144 0.0517 0.0015 0.0501
145 0.0532 0.0016 0.0516
Meyers Creek – Upper Tributary B 2024

Page 7 of 18 ends

146 0.0536 0.0016 0.0520
147 0.0543 0.0016 0.0527
148 0.0547 0.0016 0.0531
149 0.0555 0.0017 0.0539
150 0.0559 0.0017 0.0543
151 0.0568 0.0017 0.0551
152 0.0573 0.0017 0.0555
153 0.0582 0.0017 0.0565
154 0.0587 0.0018 0.0569
155 0.0597 0.0018 0.0579
156 0.0602 0.0018 0.0584
157 0.0613 0.0018 0.0595
158 0.0619 0.0019 0.0600
159 0.0630 0.0019 0.0612
160 0.0637 0.0019 0.0618
161 0.0650 0.0019 0.0630
162 0.0656 0.0020 0.0637
163 0.0671 0.0020 0.0651
164 0.0678 0.0020 0.0658
165 0.0694 0.0021 0.0673
166 0.0702 0.0021 0.0681
167 0.0720 0.0022 0.0698
168 0.0729 0.0022 0.0707
169 0.0681 0.0020 0.0661
170 0.0691 0.0021 0.0671
171 0.0714 0.0021 0.0692
172 0.0726 0.0022 0.0704
173 0.0752 0.0023 0.0729
174 0.0766 0.0023 0.0743
175 0.0796 0.0024 0.0772
176 0.0813 0.0024 0.0789
177 0.0849 0.0025 0.0824
178 0.0869 0.0026 0.0843
179 0.0914 0.0027 0.0886
180 0.0938 0.0028 0.0910
181 0.0994 0.0030 0.0965
182 0.1026 0.0031 0.0995
183 0.1100 0.0033 0.1067
184 0.1143 0.0034 0.1108
185 0.1618 0.0049 0.1569
186 0.1679 0.0050 0.1628
187 0.1822 0.0055 0.1767
188 0.1916 0.0057 0.1858
189 0.1909 0.0057 0.1852
190 0.2099 0.0063 0.2036
191 0.2768 0.0083 0.2685
192 0.3548 0.0100 0.3448
193 0.7928 0.0100 0.7828
194 0.2360 0.0071 0.2290
195 0.2024 0.0061 0.1963
Meyers Creek – Upper Tributary B 2024

Page 8 of 18 ends

196 0.1744 0.0052 0.1692
197 0.1191 0.0036 0.1155
198 0.1061 0.0032 0.1029
199 0.0965 0.0029 0.0936
200 0.0891 0.0027 0.0864
201 0.0830 0.0025 0.0806
202 0.0781 0.0023 0.0757
203 0.0739 0.0022 0.0716
204 0.0702 0.0021 0.0681
205 0.0739 0.0022 0.0717
206 0.0711 0.0021 0.0690
207 0.0686 0.0021 0.0665
208 0.0663 0.0020 0.0644
209 0.0643 0.0019 0.0624
210 0.0624 0.0019 0.0606
211 0.0607 0.0018 0.0589
212 0.0592 0.0018 0.0574
213 0.0577 0.0017 0.0560
214 0.0564 0.0017 0.0547
215 0.0551 0.0017 0.0535
216 0.0539 0.0016 0.0523
217 0.0520 0.0016 0.0505
218 0.0510 0.0015 0.0495
219 0.0500 0.0015 0.0485
220 0.0491 0.0015 0.0476
221 0.0482 0.0014 0.0468
222 0.0474 0.0014 0.0460
223 0.0466 0.0014 0.0452
224 0.0458 0.0014 0.0445
225 0.0451 0.0014 0.0438
226 0.0445 0.0013 0.0431
227 0.0438 0.0013 0.0425
228 0.0432 0.0013 0.0419
229 0.0426 0.0013 0.0413
230 0.0420 0.0013 0.0408
231 0.0415 0.0012 0.0402
232 0.0409 0.0012 0.0397
233 0.0404 0.0012 0.0392
234 0.0399 0.0012 0.0387
235 0.0395 0.0012 0.0383
236 0.0390 0.0012 0.0378
237 0.0386 0.0012 0.0374
238 0.0381 0.0011 0.0370
239 0.0377 0.0011 0.0366
240 0.0373 0.0011 0.0362
241 0.0369 0.0011 0.0358
242 0.0366 0.0011 0.0355
243 0.0362 0.0011 0.0351
244 0.0358 0.0011 0.0348
245 0.0355 0.0011 0.0344
Meyers Creek – Upper Tributary B 2024

Page 9 of 18 ends

246 0.0352 0.0011 0.0341
247 0.0348 0.0010 0.0338
248 0.0345 0.0010 0.0335
249 0.0342 0.0010 0.0332
250 0.0339 0.0010 0.0329
251 0.0336 0.0010 0.0326
252 0.0334 0.0010 0.0324
253 0.0331 0.0010 0.0321
254 0.0328 0.0010 0.0318
255 0.0325 0.0010 0.0316
256 0.0323 0.0010 0.0313
257 0.0320 0.0010 0.0311
258 0.0318 0.0010 0.0308
259 0.0316 0.0009 0.0306
260 0.0313 0.0009 0.0304
261 0.0311 0.0009 0.0302
262 0.0309 0.0009 0.0299
263 0.0306 0.0009 0.0297
264 0.0304 0.0009 0.0295
265 0.0302 0.0009 0.0293
266 0.0300 0.0009 0.0291
267 0.0298 0.0009 0.0289
268 0.0296 0.0009 0.0287
269 0.0294 0.0009 0.0285
270 0.0292 0.0009 0.0284
271 0.0290 0.0009 0.0282
272 0.0289 0.0009 0.0280
273 0.0287 0.0009 0.0278
274 0.0285 0.0009 0.0277
275 0.0283 0.0009 0.0275
276 0.0282 0.0008 0.0273
277 0.0280 0.0008 0.0272
278 0.0278 0.0008 0.0270
279 0.0277 0.0008 0.0268
280 0.0275 0.0008 0.0267
281 0.0274 0.0008 0.0265
282 0.0272 0.0008 0.0264
283 0.0271 0.0008 0.0262
284 0.0269 0.0008 0.0261
285 0.0268 0.0008 0.0260
286 0.0266 0.0008 0.0258
287 0.0265 0.0008 0.0257
288 0.0263 0.0008 0.0256
TOTAL STORM RAINFALL(INCHES) = 15.00
TOTAL SOIL-LOSS(INCHES) = 0.44
TOTAL EFFECTIVE RAINFALL(INCHES) = 14.56
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 12.3775
Meyers Creek – Upper Tributary B 2024

Page 10 of 18 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 413.6587
---------------------------------------------------------------------------- Meyers Creek – Upper Tributary B 2024

Page 11 of 18 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 350.0 700.0 1050.0 1400.0 ----------------------------------------------------------------------------

0.083 0.0186 2.70 Q . . . .

0.167 0.1010 11.96 Q . . . .

0.250 0.3010 29.05 Q . . . .

0.333 0.6444 49.86 VQ . . . .

0.417 1.0895 64.63 VQ . . . .

0.500 1.5948 73.37 V Q . . . .

0.583 2.1408 79.28 V Q . . . .

0.667 2.7170 83.67 V Q . . . .

0.750 3.3175 87.19 V Q . . . .

0.833 3.9383 90.14 V Q . . . .

0.917 4.5761 92.61 V Q . . . .

1.000 5.2281 94.67 V Q . . . .

1.083 5.8932 96.57 V Q . . . .

1.167 6.5696 98.21 V Q . . . .

1.250 7.2562 99.68 V Q . . . .

1.333 7.9520 101.03 V Q . . . .

1.417 8.6562 102.26 V Q . . . .

1.500 9.3683 103.39 V Q . . . .

1.583 10.0878 104.48 V Q . . . .

1.667 10.8134 105.35 .V Q . . . .

1.750 11.5449 106.21 .V Q . . . .

1.833 12.2823 107.08 .V Q . . . .

1.917 13.0248 107.80 .V Q . . . .

2.000 13.7708 108.32 .V Q . . . .

2.083 14.5204 108.84 .V Q . . . .

2.167 15.2736 109.36 .V Q . . . .

2.250 16.0304 109.89 .V Q . . . .

2.333 16.7909 110.42 .V Q . . . .

2.417 17.5550 110.95 .V Q . . . .

2.500 18.3228 111.49 .V Q . . . .

2.583 19.0944 112.02 .V Q . . . .

2.667 19.8696 112.57 .V Q . . . .

2.750 20.6482 113.05 .V Q . . . .

2.833 21.4292 113.39 . VQ . . . .

2.917 22.2125 113.74 . VQ . . . .

3.000 22.9982 114.09 . VQ . . . .

3.083 23.7863 114.44 . VQ . . . .

3.167 24.5769 114.79 . VQ . . . .

3.250 25.3700 115.15 . VQ . . . .

Meyers Creek – Upper Tributary B 2024

Page 12 of 18 ends

3.333 26.1655 115.51 . VQ . . . .

3.417 26.9635 115.88 . VQ . . . .

3.500 27.7641 116.24 . VQ . . . .

3.583 28.5672 116.61 . VQ . . . .

3.667 29.3730 116.99 . VQ . . . .

3.750 30.1813 117.37 . VQ . . . .

3.833 30.9922 117.75 . VQ . . . .

3.917 31.8058 118.14 . Q . . . .

4.000 32.6221 118.53 . Q . . . .

4.083 33.4412 118.92 . Q . . . .

4.167 34.2629 119.32 . Q . . . .

4.250 35.0874 119.72 . Q . . . .

4.333 35.9148 120.13 . Q . . . .

4.417 36.7449 120.54 . Q . . . .

4.500 37.5779 120.95 . Q . . . .

4.583 38.4138 121.37 . Q . . . .

4.667 39.2526 121.79 . Q . . . .

4.750 40.0943 122.22 . Q . . . .

4.833 40.9390 122.65 . Q . . . .

4.917 41.7868 123.09 . QV . . . .

5.000 42.6376 123.53 . QV . . . .

5.083 43.4914 123.98 . QV . . . .

5.167 44.3484 124.43 . QV . . . .

5.250 45.2085 124.89 . QV . . . .

5.333 46.0718 125.35 . QV . . . .

5.417 46.9383 125.81 . QV . . . .

5.500 47.8080 126.29 . QV . . . .

5.583 48.6810 126.76 . QV . . . .

5.667 49.5574 127.25 . QV . . . .

5.750 50.4371 127.74 . QV . . . .

5.833 51.3203 128.23 . QV . . . .

5.917 52.2068 128.73 . Q V . . . .

6.000 53.0969 129.24 . Q V . . . .

6.083 53.9905 129.75 . Q V . . . .

6.167 54.8876 130.27 . Q V . . . .

6.250 55.7884 130.79 . Q V . . . .

6.333 56.6928 131.32 . Q V . . . .

6.417 57.6009 131.86 . Q V . . . .

6.500 58.5128 132.40 . Q V . . . .

6.583 59.4285 132.95 . Q V . . . .

6.667 60.3480 133.51 . Q V . . . .

6.750 61.2714 134.08 . Q V . . . .

6.833 62.1988 134.65 . Q V . . . .

6.917 63.1301 135.23 . Q V . . . .

7.000 64.0655 135.82 . Q V . . . .

7.083 65.0050 136.41 . Q V . . . .

7.167 65.9486 137.02 . Q V . . . .

7.250 66.8965 137.63 . Q V . . . .

7.333 67.8486 138.25 . Q V . . . .

7.417 68.8050 138.87 . Q V . . . .

Meyers Creek – Upper Tributary B 2024

Page 13 of 18 ends

7.500 69.7658 139.51 . Q V . . . .

7.583 70.7311 140.16 . Q V . . . .

7.667 71.7009 140.81 . Q V . . . .

7.750 72.6753 141.48 . Q V . . . .

7.833 73.6543 142.15 . Q V . . . .

7.917 74.6380 142.83 . Q V . . . .

8.000 75.6265 143.53 . Q V . . . .

8.083 76.6198 144.23 . Q V . . . .

8.167 77.6180 144.95 . Q V . . . .

8.250 78.6213 145.67 . Q V . . . .

8.333 79.6296 146.41 . Q V . . . .

8.417 80.6431 147.15 . Q V . . . .

8.500 81.6618 147.91 . Q V . . . .

8.583 82.6858 148.68 . Q V . . . .

8.667 83.7152 149.47 . Q V . . . .

8.750 84.7501 150.26 . Q V . . . .

8.833 85.7905 151.08 . Q V . . . .

8.917 86.8366 151.90 . Q V . . . .

9.000 87.8885 152.73 . Q V . . . .

9.083 88.9463 153.58 . Q V . . . .

9.167 90.0100 154.45 . Q V . . . .

9.250 91.0797 155.33 . Q V . . . .

9.333 92.1556 156.22 . Q V . . . .

9.417 93.2378 157.13 . Q V. . . .

9.500 94.3264 158.06 . Q V. . . .

9.583 95.4214 159.00 . Q V. . . .

9.667 96.5231 159.97 . Q V. . . .

9.750 97.6315 160.94 . Q V. . . .

9.833 98.7468 161.94 . Q V. . . .

9.917 99.8691 162.95 . Q V. . . .

10.000 100.9985 163.99 . Q V. . . .

10.083 102.1352 165.05 . Q V. . . .

10.167 103.2793 166.12 . Q V. . . .

10.250 104.4310 167.22 . Q V . . .

10.333 105.5903 168.34 . Q V . . .

10.417 106.7576 169.48 . Q V . . .

10.500 107.9329 170.65 . Q V . . .

10.583 109.1164 171.84 . Q V . . .

10.667 110.3082 173.06 . Q V . . .

10.750 111.5087 174.30 . Q V . . .

10.833 112.7179 175.58 . Q V . . .

10.917 113.9360 176.87 . Q .V . . .

11.000 115.1633 178.20 . Q .V . . .

11.083 116.4000 179.56 . Q .V . . .

11.167 117.6462 180.96 . Q .V . . .

11.250 118.9023 182.38 . Q .V . . .

11.333 120.1684 183.84 . Q .V . . .

11.417 121.4448 185.33 . Q .V . . .

11.500 122.7317 186.87 . Q .V . . .

11.583 124.0295 188.44 . Q .V . . .

Meyers Creek – Upper Tributary B 2024

Page 14 of 18 ends

11.667 125.3384 190.05 . Q . V . . .

11.750 126.6587 191.70 . Q . V . . .

11.833 127.9907 193.41 . Q . V . . .

11.917 129.3347 195.15 . Q . V . . .

12.000 130.6911 196.95 . Q . V . . .

12.083 132.0608 198.88 . Q . V . . .

12.167 133.4456 201.07 . Q . V . . .

12.250 134.8475 203.56 . Q . V . . .

12.333 136.2677 206.22 . Q . V . . .

12.417 137.7054 208.75 . Q . V . . .

12.500 139.1597 211.17 . Q . V . . .

12.583 140.6305 213.55 . Q . V . . .

12.667 142.1179 215.97 . Q . V . . .

12.750 143.6222 218.43 . Q . V . . .

12.833 145.1439 220.95 . Q . V . . .

12.917 146.6834 223.54 . Q . V . . .

13.000 148.2414 226.22 . Q . V . . .

13.083 149.8184 228.98 . Q . V . . .

13.167 151.4151 231.84 . Q . V . . .

13.250 153.0322 234.79 . Q . V . . .

13.333 154.6704 237.87 . Q . V . . .

13.417 156.3306 241.06 . Q . V . . .

13.500 158.0137 244.39 . Q . V . . .

13.583 159.7206 247.85 . Q . V . . .

13.667 161.4525 251.47 . Q . V . . .

13.750 163.2103 255.24 . Q . V . . .

13.833 164.9955 259.20 . Q . V . . .

13.917 166.8091 263.34 . Q . V . . .

14.000 168.6527 267.70 . Q . V . . .

14.083 170.5231 271.57 . Q . V . . .

14.167 172.4102 274.01 . Q . V . . .

14.250 174.3020 274.69 . Q . V . . .

14.333 176.1941 274.73 . Q . V . . .

14.417 178.0995 276.67 . Q . V . . .

14.500 180.0319 280.58 . Q . V . . .

14.583 181.9990 285.62 . Q . V . . .

14.667 184.0071 291.58 . Q . V . . .

14.750 186.0612 298.26 . Q . V . . .

14.833 188.1669 305.75 . Q . V . . .

14.917 190.3296 314.03 . Q . V . . .

15.000 192.5560 323.27 . Q. V . . .

15.083 194.8527 333.48 . Q. V . . .

15.167 197.2282 344.92 . Q. V. . .

15.250 199.6917 357.71 . Q V. . .

15.333 202.2552 372.22 . Q V. . .

15.417 204.9588 392.55 . .Q V. . .

15.500 207.8845 424.82 . . Q V . .

15.583 211.1299 471.22 . . Q V . .

15.667 214.7588 526.92 . . Q V . .

15.750 218.7295 576.54 . . Q .V . .

Meyers Creek – Upper Tributary B 2024

Page 15 of 18 ends

15.833 222.9922 618.94 . . Q .V . .

15.917 227.5610 663.40 . . Q . V . .

16.000 232.5795 728.69 . . Q V . .

16.083 238.6168 876.61 . . . V Q . .

16.167 246.2180 1103.69 . . . V .Q .

16.250 255.2240 1307.67 . . . V . Q .

16.333 264.5657 1356.42 . . . V . Q .

16.417 272.6239 1170.05 . . . V . Q .

16.500 279.2994 969.28 . . . Q . .

16.583 284.9939 826.84 . . . Q V . .

16.667 289.9126 714.20 . . Q V . .

16.750 294.2648 631.94 . . Q . V . .

16.833 298.1978 571.07 . . Q . V . .

16.917 301.7907 521.69 . . Q . V. .

17.000 305.0995 480.45 . . Q . V. .

17.083 308.1942 449.34 . . Q . V. .

17.167 311.0991 421.79 . . Q . V .

17.250 313.8603 400.93 . .Q . V .

17.333 316.5062 384.18 . Q . V .

17.417 319.0395 367.83 . Q . V .

17.500 321.4636 351.99 . Q . .V .

17.583 323.7866 337.31 . Q. . .V .

17.667 325.9964 320.86 . Q. . .V .

17.750 328.1250 309.08 . Q . . .V .

17.833 330.1758 297.78 . Q . . .V .

17.917 332.1333 284.23 . Q . . . V .

18.000 333.9985 270.83 . Q . . . V .

18.083 335.8065 262.52 . Q . . . V .

18.167 337.5598 254.57 . Q . . . V .

18.250 339.2621 247.18 . Q . . . V .

18.333 340.9174 240.37 . Q . . . V .

18.417 342.5298 234.11 . Q . . . V .

18.500 344.1024 228.35 . Q . . . V .

18.583 345.6362 222.71 . Q . . . V .

18.667 347.1292 216.78 . Q . . . V .

18.750 348.5729 209.62 . Q . . . V .

18.833 349.9605 201.48 . Q . . . V .

18.917 351.3159 196.80 . Q . . . V .

19.000 352.6415 192.49 . Q . . . V .

19.083 353.9406 188.63 . Q . . . V .

19.167 355.2165 185.25 . Q . . . V .

19.250 356.4707 182.11 . Q . . . V .

19.333 357.7046 179.16 . Q . . . V .

19.417 358.9193 176.38 . Q . . . V .

19.500 360.1158 173.74 . Q . . . V .

19.583 361.2952 171.24 . Q . . . V .

19.667 362.4582 168.86 . Q . . . V .

19.750 363.6054 166.58 . Q . . . V .

19.833 364.7373 164.36 . Q . . . V .

19.917 365.8546 162.23 . Q . . . V .

Meyers Creek – Upper Tributary B 2024

Page 16 of 18 ends

20.000 366.9579 160.19 . Q . . . V .

20.083 368.0476 158.23 . Q . . . V .

20.167 369.1244 156.35 . Q . . . V .

20.250 370.1887 154.53 . Q . . . V .

20.333 371.2408 152.78 . Q . . . V .

20.417 372.2814 151.09 . Q . . . V .

20.500 373.3106 149.45 . Q . . . V .

20.583 374.3290 147.87 . Q . . . V .

20.667 375.3368 146.34 . Q . . . V .

20.750 376.3344 144.85 . Q . . . V .

20.833 377.3222 143.42 . Q . . . V .

20.917 378.3004 142.03 . Q . . . V .

21.000 379.2693 140.68 . Q . . . V .

21.083 380.2291 139.37 . Q . . . V .

21.167 381.1802 138.10 . Q . . . V .

21.250 382.1228 136.86 . Q . . . V .

21.333 383.0570 135.66 . Q . . . V .

21.417 383.9832 134.48 . Q . . . V .

21.500 384.9016 133.34 . Q . . . V .

21.583 385.8122 132.23 . Q . . . V .

21.667 386.7154 131.14 . Q . . . V .

21.750 387.6113 130.08 . Q . . . V .

21.833 388.5001 129.05 . Q . . . V .

21.917 389.3819 128.04 . Q . . . V .

22.000 390.2570 127.06 . Q . . . V .

22.083 391.1254 126.10 . Q . . . V .

22.167 391.9874 125.16 . Q . . . V .

22.250 392.8430 124.24 . Q . . . V .

22.333 393.6924 123.34 . Q . . . V .

22.417 394.5358 122.46 . Q . . . V .

22.500 395.3733 121.60 . Q . . . V .

22.583 396.2050 120.76 . Q . . . V .

22.667 397.0309 119.93 . Q . . . V .

22.750 397.8513 119.12 . Q . . . V .

22.833 398.6663 118.33 . Q . . . V .

22.917 399.4759 117.56 . Q . . . V .

23.000 400.2802 116.80 . Q . . . V .

23.083 401.0795 116.05 . Q . . . V .

23.167 401.8737 115.32 . Q . . . V .

23.250 402.6630 114.60 . Q . . . V .

23.333 403.4474 113.90 . Q . . . V.

23.417 404.2271 113.21 . Q . . . V.

23.500 405.0020 112.53 . Q . . . V.

23.583 405.7724 111.86 . Q . . . V.

23.667 406.5383 111.21 . Q . . . V.

23.750 407.2998 110.56 . Q . . . V.

23.833 408.0569 109.93 . Q . . . V.

23.917 408.8098 109.31 . Q . . . V.

24.000 409.5584 108.70 . Q . . . V.

24.083 410.2843 105.41 . Q . . . V.

Meyers Creek – Upper Tributary B 2024

Page 17 of 18 ends

24.167 410.9426 95.59 . Q . . . V.

24.250 411.4800 78.03 . Q . . . V.

24.333 411.8719 56.90 .Q . . . V.

24.417 412.1610 41.97 .Q . . . V.

24.500 412.3895 33.18 Q . . . V.

24.583 412.5774 27.28 Q . . . V.

24.667 412.7354 22.95 Q . . . V.

24.750 412.8700 19.53 Q . . . V.

24.833 412.9850 16.71 Q . . . V.

24.917 413.0841 14.39 Q . . . V.

25.000 413.1702 12.50 Q . . . V.

25.083 413.2445 10.79 Q . . . V.

25.167 413.3089 9.35 Q . . . V.

25.250 413.3647 8.10 Q . . . V.

25.333 413.4128 6.98 Q . . . V.

25.417 413.4540 6.00 Q . . . V.

25.500 413.4892 5.11 Q . . . V.

25.583 413.5187 4.28 Q . . . V.

25.667 413.5441 3.68 Q . . . V.

25.750 413.5654 3.09 Q . . . V.

25.833 413.5827 2.52 Q . . . V.

25.917 413.5970 2.08 Q . . . V.

26.000 413.6098 1.86 Q . . . V.

26.083 413.6211 1.64 Q . . . V.

26.167 413.6309 1.42 Q . . . V.

26.250 413.6392 1.21 Q . . . V.

26.333 413.6460 0.99 Q . . . V.

26.417 413.6514 0.78 Q . . . V.

26.500 413.6553 0.57 Q . . . V.

26.583 413.6578 0.36 Q . . . V.

26.667 413.6588 0.15 Q . . . V
-------------------------------------------------------------------------------- TIME DURATION(minutes) OF PERCENTILES OF ESTIMATED PEAK FLOW RATE:
(Note: 100% of Peak Flow Rate estimate assumed to have
an instantaneous time duration)
Percentile of Estimated Duration
Peak Flow Rate (minutes)
======================= =========
0% 1600.0
10% 865.0
20% 235.0
30% 105.0
40% 70.0
50% 45.0
60% 35.0
70% 25.0
80% 20.0
90% 10.0
============================================================================ Meyers Creek – Upper Tributary B 2024

Page 18 of 18 ends

END OF FLOODSCx ROUTING ANALYSIS
10YR-A-SAUH.docx Page 1 of 24
____________________________________________________________________________ ****************************************************************************

************************** DESCRIPTION OF STUDY ************************** * Meyers Creek - Hydrograph at Node A - 10YR 24HR *
* Q3 - 9/21/2023 *
* *
************************************************************************** FILE NAME: 10_MC_A.DAT
TIME/DATE OF STUDY: 18:01 09/25/2023
**************************************************************************** FLOW PROCESS FROM NODE 1000.00 TO NODE 1001.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 12016.170 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 6297.230 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2491.400 FEET
BASIN FACTOR = 0.040
WATERSHED AREA = 599.030 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.371 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

FOOTHILL S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.220
LOW LOSS FRACTION = 0.360
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.40
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 1.03
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.58
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.80
SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.12
Meyers Creek – Concentration Point A 2024

Page 2 of 24 ends

SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 8.39
PRECIPITATION DEPTH-AREA REDUCTION FACTORS:
5-MINUTE FACTOR = 0.973
30-MINUTE FACTOR = 0.973
1-HOUR FACTOR = 0.973
3-HOUR FACTOR = 0.996
6-HOUR FACTOR = 0.998
24-HOUR FACTOR = 0.999
UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES
UNIT INTERVAL PERCENTAGE OF LAG-TIME = 22.451
============================================================================

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

NUMBER MEAN VALUES ORDINATES(CFS)
---------------------------------------------------------------------------- 1 1.527 110.645
2 5.929 318.850
3 12.749 494.127
4 24.846 876.379
5 48.952 1746.309
6 62.862 1007.729
7 70.394 545.698
8 76.207 421.110
9 80.535 313.528
10 84.223 267.142
11 87.228 217.740
12 89.607 172.360
13 91.671 149.500
14 93.409 125.901
15 94.786 99.755
16 95.938 83.495
17 96.724 56.905
18 97.448 52.474
19 98.007 40.475
20 98.144 9.926
21 98.260 8.420
22 98.376 8.389
23 98.492 8.420
24 98.608 8.420
25 98.725 8.420
26 98.841 8.408
27 98.957 8.407
28 99.073 8.420
Meyers Creek – Concentration Point A 2024

Page 3 of 24 ends

29 99.189 8.407
30 99.305 8.407
31 99.421 8.407
32 99.537 8.407
33 99.653 8.407
34 99.769 8.407
35 99.885 8.407
36 100.000 8.317
Meyers Creek – Concentration Point A 2024

Page 4 of 24 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

PERIOD RAINFALL SOIL-LOSS RAINFALL
(NUMBER) (INCHES) (INCHES) (INCHES)
---------------------------------------------------------------------------- 1 0.0150 0.0054 0.0096
2 0.0150 0.0054 0.0096
3 0.0150 0.0054 0.0096
4 0.0151 0.0054 0.0096
5 0.0151 0.0054 0.0097
6 0.0151 0.0054 0.0097
7 0.0152 0.0055 0.0097
8 0.0152 0.0055 0.0097
9 0.0153 0.0055 0.0098
10 0.0153 0.0055 0.0098
11 0.0154 0.0055 0.0098
12 0.0154 0.0055 0.0098
13 0.0154 0.0056 0.0099
14 0.0155 0.0056 0.0099
15 0.0155 0.0056 0.0099
16 0.0155 0.0056 0.0099
17 0.0156 0.0056 0.0100
18 0.0156 0.0056 0.0100
19 0.0157 0.0056 0.0100
20 0.0157 0.0057 0.0101
21 0.0158 0.0057 0.0101
22 0.0158 0.0057 0.0101
23 0.0159 0.0057 0.0102
24 0.0159 0.0057 0.0102
25 0.0160 0.0057 0.0102
26 0.0160 0.0058 0.0102
27 0.0161 0.0058 0.0103
28 0.0161 0.0058 0.0103
29 0.0162 0.0058 0.0103
30 0.0162 0.0058 0.0104
31 0.0162 0.0058 0.0104
32 0.0163 0.0059 0.0104
33 0.0163 0.0059 0.0105
34 0.0164 0.0059 0.0105
35 0.0164 0.0059 0.0105
36 0.0165 0.0059 0.0105
37 0.0165 0.0060 0.0106
38 0.0166 0.0060 0.0106
39 0.0167 0.0060 0.0107
40 0.0167 0.0060 0.0107
41 0.0168 0.0060 0.0107
42 0.0168 0.0060 0.0107
43 0.0169 0.0061 0.0108
44 0.0169 0.0061 0.0108
45 0.0170 0.0061 0.0109
Meyers Creek – Concentration Point A 2024

Page 5 of 24 ends

46 0.0170 0.0061 0.0109
47 0.0171 0.0062 0.0109
48 0.0171 0.0062 0.0110
49 0.0172 0.0062 0.0110
50 0.0172 0.0062 0.0110
51 0.0173 0.0062 0.0111
52 0.0174 0.0063 0.0111
53 0.0174 0.0063 0.0112
54 0.0175 0.0063 0.0112
55 0.0176 0.0063 0.0112
56 0.0176 0.0063 0.0113
57 0.0177 0.0064 0.0113
58 0.0177 0.0064 0.0114
59 0.0178 0.0064 0.0114
60 0.0179 0.0064 0.0114
61 0.0180 0.0065 0.0115
62 0.0180 0.0065 0.0115
63 0.0181 0.0065 0.0116
64 0.0181 0.0065 0.0116
65 0.0182 0.0066 0.0117
66 0.0183 0.0066 0.0117
67 0.0184 0.0066 0.0118
68 0.0184 0.0066 0.0118
69 0.0185 0.0067 0.0118
70 0.0186 0.0067 0.0119
71 0.0187 0.0067 0.0119
72 0.0187 0.0067 0.0120
73 0.0188 0.0068 0.0120
74 0.0189 0.0068 0.0121
75 0.0190 0.0068 0.0121
76 0.0190 0.0068 0.0122
77 0.0191 0.0069 0.0122
78 0.0192 0.0069 0.0123
79 0.0193 0.0069 0.0123
80 0.0193 0.0070 0.0124
81 0.0195 0.0070 0.0124
82 0.0195 0.0070 0.0125
83 0.0196 0.0071 0.0126
84 0.0197 0.0071 0.0126
85 0.0198 0.0071 0.0127
86 0.0199 0.0071 0.0127
87 0.0200 0.0072 0.0128
88 0.0200 0.0072 0.0128
89 0.0202 0.0073 0.0129
90 0.0202 0.0073 0.0129
91 0.0204 0.0073 0.0130
92 0.0204 0.0074 0.0131
93 0.0206 0.0074 0.0132
94 0.0206 0.0074 0.0132
95 0.0208 0.0075 0.0133
Meyers Creek – Concentration Point A 2024

Page 6 of 24 ends

96 0.0208 0.0075 0.0133
97 0.0210 0.0075 0.0134
98 0.0210 0.0076 0.0135
99 0.0212 0.0076 0.0136
100 0.0213 0.0077 0.0136
101 0.0214 0.0077 0.0137
102 0.0215 0.0077 0.0138
103 0.0216 0.0078 0.0139
104 0.0217 0.0078 0.0139
105 0.0219 0.0079 0.0140
106 0.0220 0.0079 0.0141
107 0.0221 0.0080 0.0142
108 0.0222 0.0080 0.0142
109 0.0224 0.0081 0.0143
110 0.0225 0.0081 0.0144
111 0.0226 0.0082 0.0145
112 0.0227 0.0082 0.0146
113 0.0229 0.0083 0.0147
114 0.0230 0.0083 0.0147
115 0.0232 0.0084 0.0149
116 0.0233 0.0084 0.0149
117 0.0235 0.0085 0.0150
118 0.0236 0.0085 0.0151
119 0.0238 0.0086 0.0152
120 0.0239 0.0086 0.0153
121 0.0241 0.0087 0.0154
122 0.0242 0.0087 0.0155
123 0.0245 0.0088 0.0157
124 0.0246 0.0089 0.0157
125 0.0248 0.0089 0.0159
126 0.0249 0.0090 0.0160
127 0.0252 0.0091 0.0161
128 0.0253 0.0091 0.0162
129 0.0256 0.0092 0.0164
130 0.0257 0.0093 0.0164
131 0.0260 0.0093 0.0166
132 0.0261 0.0094 0.0167
133 0.0264 0.0095 0.0169
134 0.0265 0.0096 0.0170
135 0.0268 0.0097 0.0172
136 0.0270 0.0097 0.0173
137 0.0273 0.0098 0.0175
138 0.0275 0.0099 0.0176
139 0.0278 0.0100 0.0178
140 0.0279 0.0101 0.0179
141 0.0283 0.0102 0.0181
142 0.0285 0.0103 0.0182
143 0.0288 0.0104 0.0185
144 0.0290 0.0105 0.0186
145 0.0321 0.0116 0.0205
Meyers Creek – Concentration Point A 2024

Page 7 of 24 ends

146 0.0323 0.0116 0.0207
147 0.0327 0.0118 0.0209
148 0.0329 0.0118 0.0211
149 0.0333 0.0120 0.0213
150 0.0336 0.0121 0.0215
151 0.0340 0.0123 0.0218
152 0.0343 0.0123 0.0219
153 0.0348 0.0125 0.0223
154 0.0350 0.0126 0.0224
155 0.0356 0.0128 0.0228
156 0.0359 0.0129 0.0230
157 0.0365 0.0131 0.0233
158 0.0368 0.0132 0.0235
159 0.0374 0.0135 0.0239
160 0.0377 0.0136 0.0241
161 0.0384 0.0138 0.0246
162 0.0388 0.0140 0.0248
163 0.0395 0.0142 0.0253
164 0.0399 0.0144 0.0256
165 0.0408 0.0147 0.0261
166 0.0412 0.0148 0.0264
167 0.0421 0.0152 0.0270
168 0.0426 0.0153 0.0273
169 0.0422 0.0152 0.0270
170 0.0428 0.0154 0.0274
171 0.0440 0.0158 0.0282
172 0.0446 0.0161 0.0286
173 0.0460 0.0166 0.0294
174 0.0467 0.0168 0.0299
175 0.0483 0.0174 0.0309
176 0.0492 0.0177 0.0315
177 0.0510 0.0183 0.0327
178 0.0521 0.0183 0.0337
179 0.0543 0.0183 0.0360
180 0.0556 0.0183 0.0373
181 0.0584 0.0183 0.0401
182 0.0600 0.0183 0.0417
183 0.0637 0.0183 0.0453
184 0.0658 0.0183 0.0475
185 0.0804 0.0183 0.0620
186 0.0833 0.0183 0.0650
187 0.0903 0.0183 0.0719
188 0.0948 0.0183 0.0765
189 0.0920 0.0183 0.0736
190 0.1012 0.0183 0.0829
191 0.1339 0.0183 0.1156
192 0.1721 0.0183 0.1538
193 0.3893 0.0183 0.3710
194 0.1140 0.0183 0.0956
195 0.1000 0.0183 0.0817
Meyers Creek – Concentration Point A 2024

Page 8 of 24 ends

196 0.0865 0.0183 0.0682
197 0.0682 0.0183 0.0498
198 0.0618 0.0183 0.0434
199 0.0569 0.0183 0.0386
200 0.0532 0.0183 0.0348
201 0.0501 0.0180 0.0320
202 0.0475 0.0171 0.0304
203 0.0453 0.0163 0.0290
204 0.0434 0.0156 0.0278
205 0.0431 0.0155 0.0276
206 0.0417 0.0150 0.0267
207 0.0403 0.0145 0.0258
208 0.0391 0.0141 0.0251
209 0.0381 0.0137 0.0244
210 0.0371 0.0133 0.0237
211 0.0362 0.0130 0.0231
212 0.0353 0.0127 0.0226
213 0.0345 0.0124 0.0221
214 0.0338 0.0122 0.0216
215 0.0331 0.0119 0.0212
216 0.0325 0.0117 0.0208
217 0.0292 0.0105 0.0187
218 0.0287 0.0103 0.0183
219 0.0281 0.0101 0.0180
220 0.0276 0.0099 0.0177
221 0.0271 0.0098 0.0174
222 0.0267 0.0096 0.0171
223 0.0262 0.0094 0.0168
224 0.0258 0.0093 0.0165
225 0.0254 0.0092 0.0163
226 0.0251 0.0090 0.0160
227 0.0247 0.0089 0.0158
228 0.0244 0.0088 0.0156
229 0.0240 0.0086 0.0154
230 0.0237 0.0085 0.0152
231 0.0234 0.0084 0.0150
232 0.0231 0.0083 0.0148
233 0.0228 0.0082 0.0146
234 0.0226 0.0081 0.0144
235 0.0223 0.0080 0.0143
236 0.0220 0.0079 0.0141
237 0.0218 0.0078 0.0140
238 0.0216 0.0078 0.0138
239 0.0213 0.0077 0.0137
240 0.0211 0.0076 0.0135
241 0.0209 0.0075 0.0134
242 0.0207 0.0074 0.0132
243 0.0205 0.0074 0.0131
244 0.0203 0.0073 0.0130
245 0.0201 0.0072 0.0129
Meyers Creek – Concentration Point A 2024

Page 9 of 24 ends

246 0.0199 0.0072 0.0127
247 0.0197 0.0071 0.0126
248 0.0196 0.0070 0.0125
249 0.0194 0.0070 0.0124
250 0.0192 0.0069 0.0123
251 0.0191 0.0069 0.0122
252 0.0189 0.0068 0.0121
253 0.0188 0.0068 0.0120
254 0.0186 0.0067 0.0119
255 0.0185 0.0066 0.0118
256 0.0183 0.0066 0.0117
257 0.0182 0.0065 0.0116
258 0.0180 0.0065 0.0115
259 0.0179 0.0064 0.0115
260 0.0178 0.0064 0.0114
261 0.0177 0.0064 0.0113
262 0.0175 0.0063 0.0112
263 0.0174 0.0063 0.0111
264 0.0173 0.0062 0.0111
265 0.0172 0.0062 0.0110
266 0.0171 0.0061 0.0109
267 0.0169 0.0061 0.0108
268 0.0168 0.0061 0.0108
269 0.0167 0.0060 0.0107
270 0.0166 0.0060 0.0106
271 0.0165 0.0059 0.0106
272 0.0164 0.0059 0.0105
273 0.0163 0.0059 0.0104
274 0.0162 0.0058 0.0104
275 0.0161 0.0058 0.0103
276 0.0160 0.0058 0.0103
277 0.0159 0.0057 0.0102
278 0.0158 0.0057 0.0101
279 0.0157 0.0057 0.0101
280 0.0157 0.0056 0.0100
281 0.0156 0.0056 0.0100
282 0.0155 0.0056 0.0099
283 0.0154 0.0055 0.0099
284 0.0153 0.0055 0.0098
285 0.0152 0.0055 0.0098
286 0.0152 0.0055 0.0097
287 0.0151 0.0054 0.0097
288 0.0150 0.0054 0.0096
TOTAL STORM RAINFALL(INCHES) = 8.38
TOTAL SOIL-LOSS(INCHES) = 2.65
TOTAL EFFECTIVE RAINFALL(INCHES) = 5.73
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 132.3272
Meyers Creek – Concentration Point A 2024

Page 10 of 24 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 285.8428
---------------------------------------------------------------------------- Meyers Creek – Concentration Point A 2024

Page 11 of 24 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 300.0 600.0 900.0 1200.0 ----------------------------------------------------------------------------

0.083 0.0073 1.06 Q . . . .

0.167 0.0356 4.11 Q . . . .

0.250 0.0966 8.85 Q . . . .

0.333 0.2155 17.26 Q . . . .

0.417 0.4497 34.02 VQ . . . .

0.500 0.7510 43.74 VQ . . . .

0.583 1.0890 49.08 VQ . . . .

0.667 1.4556 53.23 VQ . . . .

0.750 1.8438 56.37 VQ . . . .

0.833 2.2506 59.07 VQ . . . .

0.917 2.6728 61.31 V Q . . . .

1.000 3.1075 63.12 V Q . . . .

1.083 3.5532 64.72 V Q . . . .

1.167 4.0084 66.09 V Q . . . .

1.250 4.4713 67.22 V Q . . . .

1.333 4.9410 68.20 V Q . . . .

1.417 5.4157 68.93 V Q . . . .

1.500 5.8951 69.61 V Q . . . .

1.583 6.3785 70.19 V Q . . . .

1.667 6.8639 70.47 V Q . . . .

1.750 7.3511 70.75 .VQ . . . .

1.833 7.8403 71.02 .VQ . . . .

1.917 8.3313 71.30 .VQ . . . .

2.000 8.8243 71.58 .VQ . . . .

2.083 9.3192 71.86 .VQ . . . .

2.167 9.8161 72.14 .VQ . . . .

2.250 10.3149 72.43 .VQ . . . .

2.333 10.8157 72.71 .VQ . . . .

2.417 11.3185 73.01 .VQ . . . .

2.500 11.8233 73.29 .VQ . . . .

2.583 12.3301 73.59 .VQ . . . .

2.667 12.8390 73.88 .VQ . . . .

2.750 13.3499 74.18 .VQ . . . .

2.833 13.8628 74.48 .VQ . . . .

2.917 14.3778 74.78 . Q . . . .

3.000 14.8949 75.08 . Q . . . .

3.083 15.4136 75.31 . Q . . . .

3.167 15.9338 75.54 . Q . . . .

3.250 16.4557 75.77 . Q . . . .

Meyers Creek – Concentration Point A 2024

Page 12 of 24 ends

3.333 16.9791 76.00 . Q . . . .

3.417 17.5041 76.24 . Q . . . .

3.500 18.0308 76.47 . Q . . . .

3.583 18.5591 76.71 . Q . . . .

3.667 19.0890 76.95 . Q . . . .

3.750 19.6206 77.19 . Q . . . .

3.833 20.1539 77.44 . Q . . . .

Meyers Creek – Concentration Point A 2024

Page 13 of 24 ends

---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 300.0 600.0 900.0 1200.0 ----------------------------------------------------------------------------

3.917 20.6890 77.69 . Q . . . .

4.000 21.2257 77.93 . Q . . . .

4.083 21.7642 78.19 . QV . . . .

4.167 22.3045 78.44 . QV . . . .

4.250 22.8465 78.70 . QV . . . .

4.333 23.3903 78.96 . QV . . . .

4.417 23.9360 79.23 . QV . . . .

4.500 24.4834 79.49 . QV . . . .

4.583 25.0327 79.76 . QV . . . .

4.667 25.5839 80.03 . QV . . . .

4.750 26.1370 80.31 . QV . . . .

4.833 26.6920 80.58 . QV . . . .

4.917 27.2489 80.87 . QV . . . .

5.000 27.8078 81.14 . QV . . . .

5.083 28.3686 81.44 . QV . . . .

5.167 28.9314 81.72 . Q V . . . .

5.250 29.4963 82.02 . Q V . . . .

5.333 30.0631 82.31 . Q V . . . .

5.417 30.6321 82.61 . Q V . . . .

5.500 31.2031 82.91 . Q V . . . .

5.583 31.7762 83.22 . Q V . . . .

5.667 32.3515 83.52 . Q V . . . .

5.750 32.9289 83.84 . Q V . . . .

5.833 33.5085 84.15 . Q V . . . .

5.917 34.0903 84.48 . Q V . . . .

6.000 34.6743 84.80 . Q V . . . .

6.083 35.2606 85.13 . Q V . . . .

6.167 35.8491 85.46 . Q V . . . .

6.250 36.4400 85.80 . Q V . . . .

6.333 37.0332 86.13 . Q V . . . .

6.417 37.6288 86.48 . Q V . . . .

6.500 38.2267 86.82 . Q V . . . .

6.583 38.8272 87.18 . Q V . . . .

6.667 39.4300 87.53 . Q V . . . .

6.750 40.0354 87.90 . Q V . . . .

6.833 40.6432 88.26 . Q V . . . .

6.917 41.2537 88.64 . Q V . . . .

7.000 41.8666 89.00 . Q V . . . .

7.083 42.4823 89.39 . Q V . . . .

7.167 43.1005 89.77 . Q V . . . .

7.250 43.7215 90.17 . Q V . . . .

7.333 44.3452 90.55 . Q V . . . .

7.417 44.9716 90.96 . Q V . . . .

7.500 45.6008 91.36 . Q V . . . .

7.583 46.2330 91.78 . Q V . . . .

7.667 46.8679 92.19 . Q V . . . .

7.750 47.5058 92.62 . Q V . . . .

Meyers Creek – Concentration Point A 2024

Page 14 of 24 ends

7.833 48.1466 93.04 . Q V . . . .

7.917 48.7905 93.49 . Q V . . . .

8.000 49.4373 93.92 . Q V . . . .

Meyers Creek – Concentration Point A 2024

Page 15 of 24 ends

8.083 50.0873 94.38 . Q V . . . .

8.167 50.7404 94.83 . Q V . . . .

8.250 51.3967 95.30 . Q V . . . .

8.333 52.0562 95.76 . Q V . . . .

8.417 52.7190 96.24 . Q V . . . .

8.500 53.3851 96.72 . Q V . . . .

8.583 54.0547 97.22 . Q V . . . .

8.667 54.7276 97.71 . Q V . . . .

8.750 55.4040 98.22 . Q V . . . .

8.833 56.0840 98.73 . Q V . . . .

8.917 56.7676 99.26 . Q V . . . .

9.000 57.4548 99.78 . Q V . . . .

9.083 58.1458 100.33 . Q V . . . .

9.167 58.8405 100.87 . Q V . . . .

9.250 59.5392 101.44 . Q V . . . .

9.333 60.2416 102.00 . Q V . . . .

9.417 60.9482 102.59 . Q V . . . .

9.500 61.6587 103.17 . Q V . . . .

9.583 62.3734 103.78 . Q V . . . .

9.667 63.0922 104.37 . Q V . . . .

9.750 63.8154 105.01 . Q V . . . .

9.833 64.5429 105.63 . Q V. . . .

9.917 65.2748 106.28 . Q V. . . .

10.000 66.0113 106.93 . Q V. . . .

10.083 66.7524 107.61 . Q V. . . .

10.167 67.4981 108.28 . Q V. . . .

10.250 68.2487 108.99 . Q V. . . .

10.333 69.0041 109.68 . Q V. . . .

10.417 69.7645 110.42 . Q V. . . .

10.500 70.5300 111.14 . Q V. . . .

10.583 71.3007 111.91 . Q V. . . .

10.667 72.0767 112.67 . Q V . . .

10.750 72.8581 113.47 . Q V . . .

10.833 73.6450 114.25 . Q V . . .

10.917 74.4377 115.09 . Q V . . .

11.000 75.2360 115.91 . Q V . . .

11.083 76.0403 116.79 . Q V . . .

11.167 76.8506 117.65 . Q V . . .

11.250 77.6672 118.57 . Q V . . .

11.333 78.4899 119.47 . Q V . . .

11.417 79.3193 120.43 . Q .V . . .

11.500 80.1553 121.37 . Q .V . . .

11.583 80.9981 122.38 . Q .V . . .

11.667 81.8478 123.38 . Q .V . . .

11.750 82.7049 124.44 . Q .V . . .

11.833 83.5691 125.49 . Q .V . . .

11.917 84.4410 126.61 . Q .V . . .

Meyers Creek – Concentration Point A 2024

Page 16 of 24 ends

12.000 85.3206 127.71 . Q .V . . .

12.083 86.2096 129.08 . Q . V . . .

12.167 87.1103 130.79 . Q . V . . .

Meyers Creek – Concentration Point A 2024

Page 17 of 24 ends

12.250 88.0255 132.88 . Q . V . . .

12.333 88.9593 135.60 . Q . V . . .

12.417 89.9228 139.89 . Q . V . . .

12.500 90.9070 142.91 . Q . V . . .

12.583 91.9072 145.23 . Q . V . . .

12.667 92.9218 147.32 . Q . V . . .

12.750 93.9503 149.34 . Q . V . . .

12.833 94.9921 151.26 . Q . V . . .

12.917 96.0473 153.21 . Q . V . . .

13.000 97.1153 155.07 . Q . V . . .

13.083 98.1967 157.02 . Q . V . . .

13.167 99.2911 158.91 . Q . V . . .

13.250 100.3993 160.90 . Q . V . . .

13.333 101.5208 162.84 . Q . V . . .

13.417 102.6565 164.90 . Q . V . . .

13.500 103.8062 166.94 . Q . V . . .

13.583 104.9709 169.13 . Q . V . . .

13.667 106.1504 171.26 . Q . V . . .

13.750 107.3458 173.58 . Q . V . . .

13.833 108.5572 175.89 . Q . V . . .

13.917 109.7860 178.43 . Q . V . . .

14.000 111.0324 180.97 . Q . V . . .

14.083 112.2973 183.66 . Q . V . . .

14.167 113.5794 186.17 . Q . V . . .

14.250 114.8798 188.81 . Q . V . . .

14.333 116.1962 191.14 . Q . V . . .

14.417 117.5254 193.01 . Q . V . . .

14.500 118.8726 195.61 . Q . V . . .

14.583 120.2432 199.02 . Q . V . . .

14.667 121.6387 202.62 . Q . V . . .

14.750 123.0630 206.81 . Q . V . . .

14.833 124.5176 211.20 . Q . V . . .

14.917 126.0080 216.41 . Q . V . . .

15.000 127.5378 222.13 . Q . V . . .

15.083 129.1158 229.13 . Q . V . . .

15.167 130.7507 237.38 . Q . V . . .

15.250 132.4565 247.68 . Q . V . . .

15.333 134.2395 258.89 . Q . V . . .

15.417 136.1228 273.46 . Q. V. . .

15.500 138.1287 291.27 . Q. V. . .

15.583 140.2906 313.90 . Q V. . .

15.667 142.6472 342.19 . .Q V. . .

15.750 145.2784 382.04 . . Q V . .

15.833 148.1401 415.53 . . Q V . .

15.917 151.2516 451.79 . . Q .V . .

16.000 154.6574 494.51 . . Q .V . .

16.083 158.5619 566.93 . . Q . V . .

Meyers Creek – Concentration Point A 2024

Page 18 of 24 ends

16.167 163.2379 678.96 . . . Q . .

16.250 168.7829 805.15 . . . V Q . .

16.333 175.4286 964.96 . . . V . Q .

Meyers Creek – Concentration Point A 2024

Page 19 of 24 ends

16.417 183.3875 1155.62 . . . V . Q .

16.500 189.6570 910.33 . . . V Q .

16.583 194.7264 736.08 . . . Q V . .

16.667 199.1631 644.22 . . .Q V . .

16.750 202.9843 554.83 . . Q . V . .

16.833 206.3842 493.66 . . Q . V . .

16.917 209.4223 441.14 . . Q . V. .

17.000 212.1476 395.71 . . Q . V. .

17.083 214.6359 361.30 . . Q . V .

17.167 216.9152 330.95 . .Q . V .

17.250 219.0045 303.37 . Q . V .

17.333 220.9418 281.29 . Q. . V .

17.417 222.7327 260.04 . Q . . .V .

17.500 224.4194 244.91 . Q . . .V .

17.583 225.9940 228.62 . Q . . .V .

17.667 227.4423 210.29 . Q . . .V .

17.750 228.8286 201.30 . Q . . . V .

17.833 230.1647 194.01 . Q . . . V .

17.917 231.4586 187.86 . Q . . . V .

18.000 232.7171 182.74 . Q . . . V .

18.083 233.9430 178.00 . Q . . . V .

18.167 235.1367 173.32 . Q . . . V .

18.250 236.2984 168.68 . Q . . . V .

18.333 237.4255 163.66 . Q . . . V .

18.417 238.5085 157.25 . Q . . . V .

18.500 239.5572 152.27 . Q . . . V .

18.583 240.5777 148.18 . Q . . . V .

18.667 241.5723 144.42 . Q . . . V .

18.750 242.5434 141.00 . Q . . . V .

18.833 243.4919 137.72 . Q . . . V .

18.917 244.4173 134.37 . Q . . . V .

19.000 245.3186 130.87 . Q . . . V .

19.083 246.1845 125.73 . Q . . . V .

19.167 247.0316 123.01 . Q . . . V .

19.250 247.8618 120.54 . Q . . . V .

19.333 248.6765 118.29 . Q . . . V .

19.417 249.4775 116.31 . Q . . . V .

19.500 250.2658 114.46 . Q . . . V .

19.583 251.0422 112.74 . Q . . . V .

19.667 251.8078 111.15 . Q . . . V .

19.750 252.5629 109.65 . Q . . . V .

19.833 253.3082 108.21 . Q . . . V .

19.917 254.0440 106.83 . Q . . . V .

20.000 254.7706 105.51 . Q . . . V .

20.083 255.4884 104.23 . Q . . . V .

20.167 256.1978 103.00 . Q . . . V .

20.250 256.8990 101.81 . Q . . . V .

Meyers Creek – Concentration Point A 2024

Page 20 of 24 ends

20.333 257.5922 100.66 . Q . . . V .

20.417 258.2779 99.55 . Q . . . V .

20.500 258.9561 98.48 . Q . . . V .

Meyers Creek – Concentration Point A 2024

Page 21 of 24 ends

20.583 259.6272 97.45 . Q . . . V .

20.667 260.2914 96.44 . Q . . . V .

20.750 260.9489 95.47 . Q . . . V .

20.833 261.5999 94.52 . Q . . . V .

20.917 262.2445 93.61 . Q . . . V .

21.000 262.8831 92.72 . Q . . . V .

21.083 263.5157 91.86 . Q . . . V .

21.167 264.1427 91.04 . Q . . . V .

21.250 264.7642 90.23 . Q . . . V .

21.333 265.3802 89.45 . Q . . . V .

21.417 265.9910 88.69 . Q . . . V .

21.500 266.5966 87.94 . Q . . . V .

21.583 267.1973 87.22 . Q . . . V .

21.667 267.7932 86.51 . Q . . . V .

21.750 268.3842 85.83 . Q . . . V .

21.833 268.9707 85.15 . Q . . . V .

21.917 269.5526 84.50 . Q . . . V .

22.000 270.1302 83.86 . Q . . . V .

22.083 270.7034 83.23 . Q . . . V .

22.167 271.2725 82.62 . Q . . . V .

22.250 271.8374 82.02 . Q . . . V .

22.333 272.3983 81.44 . Q . . . V .

22.417 272.9552 80.87 . Q . . . V .

22.500 273.5083 80.31 . Q . . . V .

22.583 274.0576 79.76 . Q . . . V .

22.667 274.6032 79.22 . Q . . . V .

22.750 275.1452 78.70 . Q . . . V .

22.833 275.6837 78.18 . Q . . . V .

22.917 276.2187 77.68 . Q . . . V .

23.000 276.7502 77.18 . Q . . . V .

23.083 277.2784 76.70 . Q . . . V .

23.167 277.8034 76.22 . Q . . . V .

23.250 278.3251 75.75 . Q . . . V .

23.333 278.8437 75.30 . Q . . . V.

23.417 279.3591 74.85 . Q . . . V.

23.500 279.8716 74.40 . Q . . . V.

23.583 280.3810 73.97 . Q . . . V.

23.667 280.8875 73.54 . Q . . . V.

23.750 281.3911 73.13 . Q . . . V.

23.833 281.8919 72.71 . Q . . . V.

23.917 282.3899 72.31 . Q . . . V.

24.000 282.8852 71.91 . Q . . . V.

24.083 283.3705 70.46 . Q . . . V.

24.167 283.8322 67.04 . Q . . . V.

24.250 284.2589 61.96 . Q . . . V.

24.333 284.6256 53.25 .Q . . . V.

24.417 284.8755 36.29 .Q . . . V.

Meyers Creek – Concentration Point A 2024

Page 22 of 24 ends

24.500 285.0578 26.46 Q . . . V.

24.583 285.2032 21.11 Q . . . V.

24.667 285.3200 16.97 Q . . . V.

Meyers Creek – Concentration Point A 2024

Page 23 of 24 ends

24.750 285.4156 13.88 Q . . . V.

24.833 285.4932 11.26 Q . . . V.

24.917 285.5559 9.12 Q . . . V.

25.000 285.6070 7.42 Q . . . V.

25.083 285.6480 5.95 Q . . . V.

25.167 285.6805 4.72 Q . . . V.

25.250 285.7062 3.74 Q . . . V.

25.333 285.7263 2.92 Q . . . V.

25.417 285.7426 2.36 Q . . . V.

25.500 285.7553 1.85 Q . . . V.

25.583 285.7653 1.45 Q . . . V.

25.667 285.7745 1.35 Q . . . V.

25.750 285.7832 1.26 Q . . . V.

25.833 285.7913 1.17 Q . . . V.

25.917 285.7987 1.08 Q . . . V.

26.000 285.8056 1.00 Q . . . V.

26.083 285.8119 0.91 Q . . . V.

26.167 285.8176 0.83 Q . . . V.

26.250 285.8227 0.74 Q . . . V.

26.333 285.8272 0.66 Q . . . V.

26.417 285.8311 0.57 Q . . . V.

26.500 285.8345 0.49 Q . . . V.

26.583 285.8373 0.41 Q . . . V.

26.667 285.8395 0.32 Q . . . V.

26.750 285.8412 0.24 Q . . . V.

26.833 285.8423 0.16 Q . . . V.

26.917 285.8429 0.08 Q . . . V
-------------------------------------------------------------------------------- TIME DURATION(minutes) OF PERCENTILES OF ESTIMATED PEAK FLOW RATE:
(Note: 100% of Peak Flow Rate estimate assumed to have
an instantaneous time duration)
Percentile of Estimated Duration
Peak Flow Rate (minutes)
======================= =========
0% 1615.0
10% 510.0
20% 145.0
30% 85.0
40% 55.0
50% 35.0
60% 25.0
70% 15.0
80% 10.0
90% 5.0
============================================================================ Meyers Creek – Concentration Point A 2024

Page 24 of 24 ends

END OF FLOODSCx ROUTING ANALYSIS
10YR-B-SAUH.docx Page 1 of 24
____________________________________________________________________________ ****************************************************************************

************************** DESCRIPTION OF STUDY ************************** * Meyers Creek - Hydrograph at Node B - 10YR 24HR *
* Q3 - 9/21/2023 *
* *
************************************************************************** FILE NAME: 10_MC_B.DAT
TIME/DATE OF STUDY: 17:45 09/25/2023
**************************************************************************** FLOW PROCESS FROM NODE 1000.00 TO NODE 1001.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 12704.640 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 5536.700 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2517.560 FEET
BASIN FACTOR = 0.040
WATERSHED AREA = 785.080 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.364 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

FOOTHILL S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.220
LOW LOSS FRACTION = 0.400
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.39
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 1.02
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.55
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.74
SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.01
SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 8.10
Meyers Creek – Concentration Point B 2024

Page 2 of 24 ends

PRECIPITATION DEPTH-AREA REDUCTION FACTORS:
5-MINUTE FACTOR = 0.965
30-MINUTE FACTOR = 0.965
1-HOUR FACTOR = 0.965
3-HOUR FACTOR = 0.995
6-HOUR FACTOR = 0.997
24-HOUR FACTOR = 0.998
UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES
UNIT INTERVAL PERCENTAGE OF LAG-TIME = 22.885
============================================================================

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

NUMBER MEAN VALUES ORDINATES(CFS)
---------------------------------------------------------------------------- 1 1.562 148.324
2 6.097 430.532
3 13.187 673.182
4 26.039 1220.251
5 50.851 2355.817
6 63.814 1230.732
7 71.207 701.986
8 76.905 540.985
9 81.209 408.640
10 84.806 341.476
11 87.749 279.414
12 90.086 221.889
13 92.120 193.151
14 93.809 160.368
15 95.126 125.018
16 96.206 102.548
17 96.955 71.106
18 97.691 69.875
19 98.069 35.939
20 98.187 11.239
21 98.306 11.239
22 98.424 11.231
23 98.543 11.247
24 98.661 11.231
25 98.779 11.231
26 98.898 11.247
27 99.016 11.231
28 99.134 11.231
29 99.253 11.231
30 99.371 11.231
Meyers Creek – Concentration Point B 2024

Page 3 of 24 ends

31 99.489 11.231
32 99.607 11.231
33 99.726 11.231
34 99.844 11.231
35 99.962 11.231
36 100.000 3.578
Meyers Creek – Concentration Point B 2024

Page 4 of 24 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

PERIOD RAINFALL SOIL-LOSS RAINFALL
(NUMBER) (INCHES) (INCHES) (INCHES)
---------------------------------------------------------------------------- 1 0.0143 0.0057 0.0086
2 0.0143 0.0057 0.0086
3 0.0143 0.0057 0.0086
4 0.0144 0.0057 0.0086
5 0.0144 0.0058 0.0087
6 0.0144 0.0058 0.0087
7 0.0145 0.0058 0.0087
8 0.0145 0.0058 0.0087
9 0.0146 0.0058 0.0087
10 0.0146 0.0058 0.0088
11 0.0147 0.0059 0.0088
12 0.0147 0.0059 0.0088
13 0.0147 0.0059 0.0088
14 0.0148 0.0059 0.0089
15 0.0148 0.0059 0.0089
16 0.0148 0.0059 0.0089
17 0.0149 0.0060 0.0089
18 0.0149 0.0060 0.0090
19 0.0150 0.0060 0.0090
20 0.0150 0.0060 0.0090
21 0.0151 0.0060 0.0090
22 0.0151 0.0060 0.0091
23 0.0152 0.0061 0.0091
24 0.0152 0.0061 0.0091
25 0.0152 0.0061 0.0091
26 0.0153 0.0061 0.0092
27 0.0153 0.0061 0.0092
28 0.0154 0.0061 0.0092
29 0.0154 0.0062 0.0093
30 0.0155 0.0062 0.0093
31 0.0155 0.0062 0.0093
32 0.0156 0.0062 0.0093
33 0.0156 0.0062 0.0094
34 0.0156 0.0063 0.0094
35 0.0157 0.0063 0.0094
36 0.0157 0.0063 0.0094
37 0.0158 0.0063 0.0095
38 0.0158 0.0063 0.0095
39 0.0159 0.0064 0.0095
40 0.0159 0.0064 0.0096
41 0.0160 0.0064 0.0096
42 0.0161 0.0064 0.0096
43 0.0161 0.0064 0.0097
44 0.0162 0.0065 0.0097
45 0.0162 0.0065 0.0097
Meyers Creek – Concentration Point B 2024

Page 5 of 24 ends

46 0.0163 0.0065 0.0098
47 0.0163 0.0065 0.0098
48 0.0164 0.0066 0.0098
49 0.0164 0.0066 0.0099
50 0.0165 0.0066 0.0099
51 0.0166 0.0066 0.0099
52 0.0166 0.0066 0.0100
53 0.0167 0.0067 0.0100
54 0.0167 0.0067 0.0100
55 0.0168 0.0067 0.0101
56 0.0168 0.0067 0.0101
57 0.0169 0.0068 0.0102
58 0.0170 0.0068 0.0102
59 0.0170 0.0068 0.0102
60 0.0171 0.0068 0.0103
61 0.0172 0.0069 0.0103
62 0.0172 0.0069 0.0103
63 0.0173 0.0069 0.0104
64 0.0173 0.0069 0.0104
65 0.0174 0.0070 0.0105
66 0.0175 0.0070 0.0105
67 0.0176 0.0070 0.0105
68 0.0176 0.0070 0.0106
69 0.0177 0.0071 0.0106
70 0.0178 0.0071 0.0107
71 0.0179 0.0071 0.0107
72 0.0179 0.0072 0.0107
73 0.0180 0.0072 0.0108
74 0.0180 0.0072 0.0108
75 0.0181 0.0073 0.0109
76 0.0182 0.0073 0.0109
77 0.0183 0.0073 0.0110
78 0.0184 0.0073 0.0110
79 0.0185 0.0074 0.0111
80 0.0185 0.0074 0.0111
81 0.0186 0.0074 0.0112
82 0.0187 0.0075 0.0112
83 0.0188 0.0075 0.0113
84 0.0188 0.0075 0.0113
85 0.0190 0.0076 0.0114
86 0.0190 0.0076 0.0114
87 0.0191 0.0077 0.0115
88 0.0192 0.0077 0.0115
89 0.0193 0.0077 0.0116
90 0.0194 0.0078 0.0116
91 0.0195 0.0078 0.0117
92 0.0196 0.0078 0.0117
93 0.0197 0.0079 0.0118
94 0.0198 0.0079 0.0119
95 0.0199 0.0080 0.0119
Meyers Creek – Concentration Point B 2024

Page 6 of 24 ends

96 0.0200 0.0080 0.0120
97 0.0201 0.0080 0.0121
98 0.0202 0.0081 0.0121
99 0.0203 0.0081 0.0122
100 0.0204 0.0082 0.0122
101 0.0205 0.0082 0.0123
102 0.0206 0.0082 0.0124
103 0.0207 0.0083 0.0124
104 0.0208 0.0083 0.0125
105 0.0210 0.0084 0.0126
106 0.0211 0.0084 0.0126
107 0.0212 0.0085 0.0127
108 0.0213 0.0085 0.0128
109 0.0215 0.0086 0.0129
110 0.0215 0.0086 0.0129
111 0.0217 0.0087 0.0130
112 0.0218 0.0087 0.0131
113 0.0220 0.0088 0.0132
114 0.0221 0.0088 0.0132
115 0.0223 0.0089 0.0134
116 0.0224 0.0089 0.0134
117 0.0226 0.0090 0.0135
118 0.0227 0.0091 0.0136
119 0.0229 0.0091 0.0137
120 0.0230 0.0092 0.0138
121 0.0232 0.0093 0.0139
122 0.0233 0.0093 0.0140
123 0.0235 0.0094 0.0141
124 0.0236 0.0094 0.0142
125 0.0238 0.0095 0.0143
126 0.0239 0.0096 0.0144
127 0.0242 0.0097 0.0145
128 0.0243 0.0097 0.0146
129 0.0246 0.0098 0.0147
130 0.0247 0.0099 0.0148
131 0.0249 0.0100 0.0150
132 0.0251 0.0100 0.0150
133 0.0253 0.0101 0.0152
134 0.0255 0.0102 0.0153
135 0.0258 0.0103 0.0155
136 0.0259 0.0104 0.0156
137 0.0262 0.0105 0.0157
138 0.0264 0.0106 0.0158
139 0.0267 0.0107 0.0160
140 0.0269 0.0107 0.0161
141 0.0272 0.0109 0.0163
142 0.0274 0.0110 0.0164
143 0.0277 0.0111 0.0166
144 0.0279 0.0112 0.0168
145 0.0308 0.0123 0.0185
Meyers Creek – Concentration Point B 2024

Page 7 of 24 ends

146 0.0310 0.0124 0.0186
147 0.0314 0.0126 0.0189
148 0.0316 0.0127 0.0190
149 0.0321 0.0128 0.0192
150 0.0323 0.0129 0.0194
151 0.0327 0.0131 0.0196
152 0.0330 0.0132 0.0198
153 0.0335 0.0134 0.0201
154 0.0337 0.0135 0.0202
155 0.0342 0.0137 0.0205
156 0.0345 0.0138 0.0207
157 0.0351 0.0140 0.0211
158 0.0354 0.0142 0.0212
159 0.0360 0.0144 0.0216
160 0.0363 0.0145 0.0218
161 0.0370 0.0148 0.0222
162 0.0374 0.0149 0.0224
163 0.0381 0.0152 0.0229
164 0.0385 0.0154 0.0231
165 0.0393 0.0157 0.0236
166 0.0397 0.0159 0.0238
167 0.0406 0.0163 0.0244
168 0.0411 0.0165 0.0247
169 0.0416 0.0166 0.0250
170 0.0422 0.0169 0.0253
171 0.0433 0.0173 0.0260
172 0.0439 0.0176 0.0264
173 0.0453 0.0181 0.0272
174 0.0460 0.0183 0.0276
175 0.0475 0.0183 0.0292
176 0.0484 0.0183 0.0300
177 0.0502 0.0183 0.0319
178 0.0512 0.0183 0.0329
179 0.0534 0.0183 0.0351
180 0.0546 0.0183 0.0363
181 0.0574 0.0183 0.0390
182 0.0589 0.0183 0.0406
183 0.0625 0.0183 0.0442
184 0.0645 0.0183 0.0462
185 0.0765 0.0183 0.0582
186 0.0794 0.0183 0.0611
187 0.0863 0.0183 0.0679
188 0.0908 0.0183 0.0724
189 0.0917 0.0183 0.0734
190 0.1007 0.0183 0.0824
191 0.1326 0.0183 0.1143
192 0.1697 0.0183 0.1513
193 0.3763 0.0183 0.3580
194 0.1132 0.0183 0.0949
195 0.0960 0.0183 0.0776
Meyers Creek – Concentration Point B 2024

Page 8 of 24 ends

196 0.0825 0.0183 0.0642
197 0.0668 0.0183 0.0485
198 0.0606 0.0183 0.0423
199 0.0559 0.0183 0.0376
200 0.0523 0.0183 0.0339
201 0.0492 0.0183 0.0309
202 0.0467 0.0183 0.0284
203 0.0446 0.0178 0.0268
204 0.0427 0.0171 0.0256
205 0.0416 0.0167 0.0250
206 0.0402 0.0161 0.0241
207 0.0389 0.0156 0.0233
208 0.0377 0.0151 0.0226
209 0.0367 0.0147 0.0220
210 0.0357 0.0143 0.0214
211 0.0348 0.0139 0.0209
212 0.0340 0.0136 0.0204
213 0.0332 0.0133 0.0199
214 0.0325 0.0130 0.0195
215 0.0318 0.0127 0.0191
216 0.0312 0.0125 0.0187
217 0.0281 0.0112 0.0169
218 0.0276 0.0110 0.0165
219 0.0270 0.0108 0.0162
220 0.0265 0.0106 0.0159
221 0.0261 0.0104 0.0156
222 0.0256 0.0103 0.0154
223 0.0252 0.0101 0.0151
224 0.0248 0.0099 0.0149
225 0.0244 0.0098 0.0147
226 0.0241 0.0096 0.0144
227 0.0237 0.0095 0.0142
228 0.0234 0.0094 0.0140
229 0.0231 0.0092 0.0138
230 0.0228 0.0091 0.0137
231 0.0225 0.0090 0.0135
232 0.0222 0.0089 0.0133
233 0.0219 0.0088 0.0131
234 0.0216 0.0087 0.0130
235 0.0214 0.0086 0.0128
236 0.0211 0.0085 0.0127
237 0.0209 0.0084 0.0125
238 0.0207 0.0083 0.0124
239 0.0204 0.0082 0.0123
240 0.0202 0.0081 0.0121
241 0.0200 0.0080 0.0120
242 0.0198 0.0079 0.0119
243 0.0196 0.0079 0.0118
244 0.0194 0.0078 0.0117
245 0.0193 0.0077 0.0116
Meyers Creek – Concentration Point B 2024

Page 9 of 24 ends

246 0.0191 0.0076 0.0114
247 0.0189 0.0076 0.0113
248 0.0187 0.0075 0.0112
249 0.0186 0.0074 0.0111
250 0.0184 0.0074 0.0110
251 0.0183 0.0073 0.0110
252 0.0181 0.0072 0.0109
253 0.0179 0.0072 0.0108
254 0.0178 0.0071 0.0107
255 0.0177 0.0071 0.0106
256 0.0175 0.0070 0.0105
257 0.0174 0.0070 0.0104
258 0.0173 0.0069 0.0104
259 0.0171 0.0069 0.0103
260 0.0170 0.0068 0.0102
261 0.0169 0.0068 0.0101
262 0.0168 0.0067 0.0101
263 0.0166 0.0067 0.0100
264 0.0165 0.0066 0.0099
265 0.0164 0.0066 0.0098
266 0.0163 0.0065 0.0098
267 0.0162 0.0065 0.0097
268 0.0161 0.0064 0.0097
269 0.0160 0.0064 0.0096
270 0.0159 0.0064 0.0095
271 0.0158 0.0063 0.0095
272 0.0157 0.0063 0.0094
273 0.0156 0.0062 0.0094
274 0.0155 0.0062 0.0093
275 0.0154 0.0062 0.0092
276 0.0153 0.0061 0.0092
277 0.0152 0.0061 0.0091
278 0.0151 0.0061 0.0091
279 0.0150 0.0060 0.0090
280 0.0150 0.0060 0.0090
281 0.0149 0.0059 0.0089
282 0.0148 0.0059 0.0089
283 0.0147 0.0059 0.0088
284 0.0146 0.0059 0.0088
285 0.0146 0.0058 0.0087
286 0.0145 0.0058 0.0087
287 0.0144 0.0058 0.0086
288 0.0143 0.0057 0.0086
TOTAL STORM RAINFALL(INCHES) = 8.09
TOTAL SOIL-LOSS(INCHES) = 2.80
TOTAL EFFECTIVE RAINFALL(INCHES) = 5.29
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 183.0396
Meyers Creek – Concentration Point B 2024

Page 10 of 24 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 345.8750
---------------------------------------------------------------------------- Meyers Creek – Concentration Point B 2024

Page 11 of 24 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 375.0 750.0 1125.0 1500.0 ----------------------------------------------------------------------------

0.083 0.0087 1.27 Q . . . .

0.167 0.0429 4.96 Q . . . .

0.250 0.1169 10.74 Q . . . .

0.333 0.2629 21.21 Q . . . .

0.417 0.5483 41.44 VQ . . . .

0.500 0.9070 52.08 VQ . . . .

0.583 1.3080 58.23 VQ . . . .

0.667 1.7419 63.00 VQ . . . .

0.750 2.2011 66.67 VQ . . . .

0.833 2.6816 69.77 VQ . . . .

0.917 3.1798 72.35 VQ . . . .

1.000 3.6924 74.43 VQ . . . .

1.083 4.2179 76.29 V Q . . . .

1.167 4.7541 77.86 V Q . . . .

1.250 5.2992 79.15 V Q . . . .

1.333 5.8518 80.23 V Q . . . .

1.417 6.4101 81.07 V Q . . . .

1.500 6.9740 81.88 V Q . . . .

1.583 7.5416 82.42 V Q . . . .

1.667 8.1114 82.73 V Q . . . .

1.750 8.6834 83.07 .VQ . . . .

1.833 9.2577 83.39 .VQ . . . .

1.917 9.8343 83.72 .VQ . . . .

2.000 10.4132 84.05 .VQ . . . .

2.083 10.9944 84.39 .VQ . . . .

2.167 11.5779 84.72 .VQ . . . .

2.250 12.1637 85.07 .VQ . . . .

2.333 12.7519 85.40 .VQ . . . .

2.417 13.3425 85.75 .VQ . . . .

2.500 13.9354 86.09 .VQ . . . .

2.583 14.5308 86.45 .VQ . . . .

2.667 15.1285 86.79 .VQ . . . .

2.750 15.7288 87.15 .VQ . . . .

2.833 16.3314 87.50 .VQ . . . .

2.917 16.9366 87.87 .VQ . . . .

3.000 17.5437 88.16 . Q . . . .

3.083 18.1527 88.43 . Q . . . .

3.167 18.7636 88.70 . Q . . . .

3.250 19.3764 88.98 . Q . . . .

Meyers Creek – Concentration Point B 2024

Page 12 of 24 ends

3.333 19.9910 89.25 . Q . . . .

3.417 20.6076 89.53 . Q . . . .

3.500 21.2261 89.80 . Q . . . .

3.583 21.8466 90.09 . Q . . . .

3.667 22.4690 90.37 . Q . . . .

3.750 23.0934 90.67 . Q . . . .

3.833 23.7199 90.96 . Q . . . .

Meyers Creek – Concentration Point B 2024

Page 13 of 24 ends

---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 375.0 750.0 1125.0 1500.0 ----------------------------------------------------------------------------

3.917 24.3484 91.26 . Q . . . .

4.000 24.9788 91.55 . Q . . . .

4.083 25.6115 91.86 . Q . . . .

4.167 26.2461 92.15 . QV . . . .

4.250 26.8829 92.47 . QV . . . .

4.333 27.5218 92.77 . QV . . . .

4.417 28.1629 93.09 . QV . . . .

4.500 28.8062 93.40 . QV . . . .

4.583 29.4517 93.73 . QV . . . .

4.667 30.0993 94.04 . QV . . . .

4.750 30.7493 94.37 . QV . . . .

4.833 31.4015 94.70 . QV . . . .

4.917 32.0560 95.04 . QV . . . .

5.000 32.7128 95.37 . QV . . . .

5.083 33.3720 95.72 . QV . . . .

5.167 34.0335 96.05 . QV . . . .

5.250 34.6975 96.41 . Q V . . . .

5.333 35.3638 96.75 . Q V . . . .

5.417 36.0327 97.12 . Q V . . . .

5.500 36.7039 97.47 . Q V . . . .

5.583 37.3778 97.84 . Q V . . . .

5.667 38.0541 98.20 . Q V . . . .

5.750 38.7330 98.58 . Q V . . . .

5.833 39.4145 98.95 . Q V . . . .

5.917 40.0986 99.34 . Q V . . . .

6.000 40.7854 99.71 . Q V . . . .

6.083 41.4748 100.11 . Q V . . . .

6.167 42.1670 100.50 . Q V . . . .

6.250 42.8620 100.91 . Q V . . . .

6.333 43.5596 101.30 . Q V . . . .

6.417 44.2602 101.72 . Q V . . . .

6.500 44.9636 102.13 . Q V . . . .

6.583 45.6699 102.56 . Q V . . . .

6.667 46.3790 102.97 . Q V . . . .

6.750 47.0912 103.41 . Q V . . . .

6.833 47.8064 103.84 . Q V . . . .

6.917 48.5246 104.29 . Q V . . . .

7.000 49.2459 104.73 . Q V . . . .

7.083 49.9703 105.19 . Q V . . . .

7.167 50.6978 105.64 . Q V . . . .

7.250 51.4286 106.11 . Q V . . . .

7.333 52.1626 106.57 . Q V . . . .

7.417 52.9000 107.06 . Q V . . . .

7.500 53.6406 107.54 . Q V . . . .

7.583 54.3846 108.04 . Q V . . . .

7.667 55.1321 108.52 . Q V . . . .

7.750 55.8830 109.04 . Q V . . . .

Meyers Creek – Concentration Point B 2024

Page 14 of 24 ends

7.833 56.6375 109.54 . Q V . . . .

7.917 57.3955 110.07 . Q V . . . .

8.000 58.1572 110.59 . Q V . . . .

Meyers Creek – Concentration Point B 2024

Page 15 of 24 ends

8.083 58.9226 111.14 . Q V . . . .

8.167 59.6916 111.67 . Q V . . . .

8.250 60.4646 112.23 . Q V . . . .

8.333 61.2412 112.78 . Q V . . . .

8.417 62.0219 113.36 . Q V . . . .

8.500 62.8065 113.92 . Q V . . . .

8.583 63.5952 114.52 . Q V . . . .

8.667 64.3879 115.10 . Q V . . . .

8.750 65.1849 115.72 . Q V . . . .

8.833 65.9860 116.32 . Q V . . . .

8.917 66.7915 116.96 . Q V . . . .

9.000 67.6013 117.58 . Q V . . . .

9.083 68.4156 118.24 . Q V . . . .

9.167 69.2343 118.88 . Q V . . . .

9.250 70.0578 119.56 . Q V . . . .

9.333 70.8857 120.22 . Q V . . . .

9.417 71.7186 120.93 . Q V . . . .

9.500 72.5562 121.62 . Q V . . . .

9.583 73.3988 122.35 . Q V . . . .

9.667 74.2463 123.06 . Q V . . . .

9.750 75.0991 123.82 . Q V . . . .

9.833 75.9569 124.56 . Q V . . . .

9.917 76.8202 125.34 . Q V . . . .

10.000 77.6887 126.11 . Q V . . . .

10.083 78.5629 126.93 . Q V. . . .

10.167 79.4425 127.72 . Q V. . . .

10.250 80.3280 128.57 . Q V. . . .

10.333 81.2192 129.40 . Q V. . . .

10.417 82.1165 130.29 . Q V. . . .

10.500 83.0197 131.15 . Q V. . . .

10.583 83.9293 132.07 . Q V. . . .

10.667 84.8451 132.97 . Q V. . . .

10.750 85.7675 133.93 . Q V. . . .

10.833 86.6963 134.87 . Q V . . .

10.917 87.6321 135.88 . Q V . . .

11.000 88.5746 136.85 . Q V . . .

11.083 89.5244 137.91 . Q V . . .

11.167 90.4812 138.93 . Q V . . .

11.250 91.4456 140.03 . Q V . . .

11.333 92.4174 141.11 . Q V . . .

11.417 93.3972 142.26 . Q V . . .

11.500 94.3847 143.39 . Q V . . .

11.583 95.3806 144.60 . Q .V . . .

11.667 96.3846 145.79 . Q .V . . .

11.750 97.3975 147.06 . Q .V . . .

11.833 98.4189 148.31 . Q .V . . .

11.917 99.4496 149.66 . Q .V . . .

Meyers Creek – Concentration Point B 2024

Page 16 of 24 ends

12.000 100.4894 150.98 . Q .V . . .

12.083 101.5405 152.62 . Q .V . . .

12.167 102.6057 154.66 . Q .V . . .

Meyers Creek – Concentration Point B 2024

Page 17 of 24 ends

12.250 103.6882 157.18 . Q .V . . .

12.333 104.7936 160.50 . Q . V . . .

12.417 105.9344 165.65 . Q . V . . .

12.500 107.0987 169.06 . Q . V . . .

12.583 108.2820 171.81 . Q . V . . .

12.667 109.4822 174.27 . Q . V . . .

12.750 110.6990 176.68 . Q . V . . .

12.833 111.9315 178.96 . Q . V . . .

12.917 113.1800 181.29 . Q . V . . .

13.000 114.4438 183.50 . Q . V . . .

13.083 115.7236 185.84 . Q . V . . .

13.167 117.0190 188.09 . Q . V . . .

13.250 118.3309 190.48 . Q . V . . .

13.333 119.6587 192.80 . Q . V . . .

13.417 121.0035 195.27 . Q . V . . .

13.500 122.3652 197.72 . Q . V . . .

13.583 123.7450 200.34 . Q . V . . .

13.667 125.1423 202.90 . Q . V . . .

13.750 126.5590 205.70 . Q . V . . .

13.833 127.9949 208.49 . Q . V . . .

13.917 129.4520 211.56 . Q . V . . .

14.000 130.9301 214.62 . Q . V . . .

14.083 132.4312 217.95 . Q . V . . .

14.167 133.9545 221.20 . Q . V . . .

14.250 135.5022 224.73 . Q . V . . .

14.333 137.0732 228.10 . Q . V . . .

14.417 138.6677 231.53 . Q . V . . .

14.500 140.2888 235.38 . Q . V . . .

14.583 141.9417 240.00 . Q . V . . .

14.667 143.6288 244.98 . Q . V . . .

14.750 145.3574 250.99 . Q . V . . .

14.833 147.1335 257.88 . Q . V . . .

14.917 148.9708 266.78 . Q . V . . .

15.000 150.8740 276.34 . Q . V . . .

15.083 152.8553 287.69 . Q . V . . .

15.167 154.9193 299.69 . Q . V . . .

15.250 157.0811 313.88 . Q . V . . .

15.333 159.3467 328.97 . Q . V . . .

15.417 161.7436 348.02 . Q. V . . .

15.500 164.2952 370.49 . Q. V. . .

15.583 167.0418 398.81 . Q V. . .

15.667 170.0268 433.42 . .Q V. . .

15.750 173.3392 480.97 . . Q V . .

15.833 176.9367 522.36 . . Q V . .

15.917 180.8656 570.47 . . Q V . .

16.000 185.1957 628.73 . . Q .V . .

16.083 190.2254 730.31 . . Q.V . .

Meyers Creek – Concentration Point B 2024

Page 18 of 24 ends

16.167 196.2961 881.47 . . . VQ . .

16.250 203.5182 1048.64 . . . V Q . .

16.333 212.1762 1257.15 . . . V . Q .

Meyers Creek – Concentration Point B 2024

Page 19 of 24 ends

16.417 222.3985 1484.27 . . . V . Q.

16.500 230.2126 1134.61 . . . V Q .

16.583 236.5929 926.43 . . . Q V . .

16.667 242.1557 807.72 . . .Q V . .

16.750 246.9656 698.40 . . Q . V . .

16.833 251.2411 620.80 . . Q . V. .

16.917 255.0608 554.61 . . Q . V. .

17.000 258.4823 496.80 . . Q . V. .

17.083 261.5909 451.38 . . Q . V .

17.167 264.4115 409.54 . Q . V .

17.250 266.9757 372.32 . Q. . V .

17.333 269.3364 342.77 . Q. . .V .

17.417 271.5051 314.90 . Q . . .V .

17.500 273.5390 295.33 . Q . . .V .

17.583 275.4020 270.50 . Q . . .V .

17.667 277.1326 251.28 . Q . . . V .

17.750 278.7891 240.52 . Q . . . V .

17.833 280.3834 231.50 . Q . . . V .

17.917 281.9262 224.02 . Q . . . V .

18.000 283.4250 217.62 . Q . . . V .

18.083 284.8832 211.73 . Q . . . V .

18.167 286.3016 205.95 . Q . . . V .

18.250 287.6806 200.23 . Q . . . V .

18.333 289.0165 193.97 . Q . . . V .

18.417 290.2990 186.23 . Q . . . V .

18.500 291.5413 180.38 . Q . . . V .

18.583 292.7498 175.47 . Q . . . V .

18.667 293.9273 170.98 . Q . . . V .

18.750 295.0760 166.78 . Q . . . V .

18.833 296.1956 162.58 . Q . . . V .

18.917 297.2852 158.21 . Q . . . V .

19.000 298.3344 152.34 . Q . . . V .

19.083 299.3531 147.92 . Q . . . V .

19.167 300.3499 144.73 . Q . . . V .

19.250 301.3268 141.85 . Q . . . V .

19.333 302.2860 139.28 . Q . . . V .

19.417 303.2291 136.94 . Q . . . V .

19.500 304.1570 134.74 . Q . . . V .

19.583 305.0710 132.71 . Q . . . V .

19.667 305.9720 130.82 . Q . . . V .

19.750 306.8607 129.03 . Q . . . V .

19.833 307.7376 127.33 . Q . . . V .

19.917 308.6032 125.69 . Q . . . V .

20.000 309.4580 124.11 . Q . . . V .

20.083 310.3023 122.60 . Q . . . V .

20.167 311.1366 121.14 . Q . . . V .

20.250 311.9612 119.73 . Q . . . V .

Meyers Creek – Concentration Point B 2024

Page 20 of 24 ends

20.333 312.7764 118.37 . Q . . . V .

20.417 313.5826 117.06 . Q . . . V .

20.500 314.3800 115.79 . Q . . . V .

Meyers Creek – Concentration Point B 2024

Page 21 of 24 ends

20.583 315.1689 114.56 . Q . . . V .

20.667 315.9497 113.37 . Q . . . V .

20.750 316.7225 112.21 . Q . . . V .

20.833 317.4876 111.09 . Q . . . V .

20.917 318.2452 110.01 . Q . . . V .

21.000 318.9956 108.96 . Q . . . V .

21.083 319.7391 107.95 . Q . . . V .

21.167 320.4758 106.97 . Q . . . V .

21.250 321.2060 106.02 . Q . . . V .

21.333 321.9297 105.09 . Q . . . V .

21.417 322.6472 104.18 . Q . . . V .

21.500 323.3587 103.30 . Q . . . V .

21.583 324.0643 102.45 . Q . . . V .

21.667 324.7641 101.61 . Q . . . V .

21.750 325.4583 100.79 . Q . . . V .

21.833 326.1469 100.00 . Q . . . V .

21.917 326.8303 99.22 . Q . . . V .

22.000 327.5084 98.46 . Q . . . V .

22.083 328.1814 97.72 . Q . . . V .

22.167 328.8495 97.00 . Q . . . V .

22.250 329.5126 96.29 . Q . . . V .

22.333 330.1710 95.60 . Q . . . V .

22.417 330.8247 94.92 . Q . . . V .

22.500 331.4738 94.26 . Q . . . V .

22.583 332.1185 93.61 . Q . . . V .

22.667 332.7588 92.97 . Q . . . V .

22.750 333.3948 92.35 . Q . . . V .

22.833 334.0266 91.74 . Q . . . V .

22.917 334.6543 91.14 . Q . . . V .

23.000 335.2779 90.55 . Q . . . V .

23.083 335.8976 89.98 . Q . . . V .

23.167 336.5134 89.41 . Q . . . V .

23.250 337.1254 88.86 . Q . . . V .

23.333 337.7336 88.32 . Q . . . V.

23.417 338.3382 87.78 . Q . . . V.

23.500 338.9392 87.26 . Q . . . V.

23.583 339.5366 86.75 . Q . . . V.

23.667 340.1306 86.24 . Q . . . V.

23.750 340.7211 85.75 . Q . . . V.

23.833 341.3083 85.26 . Q . . . V.

23.917 341.8922 84.78 . Q . . . V.

24.000 342.4728 84.31 . Q . . . V.

24.083 343.0416 82.58 . Q . . . V.

24.167 343.5818 78.45 . Q . . . V.

24.250 344.0796 72.27 .Q . . . V.

24.333 344.5027 61.45 .Q . . . V.

24.417 344.7850 40.98 .Q . . . V.

Meyers Creek – Concentration Point B 2024

Page 22 of 24 ends

24.500 344.9932 30.23 Q . . . V.

24.583 345.1590 24.07 Q . . . V.

24.667 345.2920 19.31 Q . . . V.

Meyers Creek – Concentration Point B 2024

Page 23 of 24 ends

24.750 345.4002 15.71 Q . . . V.

24.833 345.4877 12.71 Q . . . V.

24.917 345.5583 10.25 Q . . . V.

25.000 345.6155 8.30 Q . . . V.

25.083 345.6609 6.60 Q . . . V.

25.167 345.6967 5.20 Q . . . V.

25.250 345.7250 4.10 Q . . . V.

25.333 345.7470 3.20 Q . . . V.

25.417 345.7647 2.57 Q . . . V.

25.500 345.7783 1.96 Q . . . V.

25.583 345.7896 1.64 Q . . . V.

25.667 345.8002 1.54 Q . . . V.

25.750 345.8101 1.43 Q . . . V.

25.833 345.8192 1.33 Q . . . V.

25.917 345.8277 1.23 Q . . . V.

26.000 345.8354 1.12 Q . . . V.

26.083 345.8425 1.02 Q . . . V.

26.167 345.8488 0.92 Q . . . V.

26.250 345.8545 0.82 Q . . . V.

26.333 345.8594 0.72 Q . . . V.

26.417 345.8637 0.62 Q . . . V.

26.500 345.8672 0.52 Q . . . V.

26.583 345.8701 0.42 Q . . . V.

26.667 345.8724 0.32 Q . . . V.

26.750 345.8739 0.22 Q . . . V.

26.833 345.8748 0.13 Q . . . V.

26.917 345.8750 0.03 Q . . . V
-------------------------------------------------------------------------------- TIME DURATION(minutes) OF PERCENTILES OF ESTIMATED PEAK FLOW RATE:
(Note: 100% of Peak Flow Rate estimate assumed to have
an instantaneous time duration)
Percentile of Estimated Duration
Peak Flow Rate (minutes)
======================= =========
0% 1615.0
10% 430.0
20% 140.0
30% 85.0
40% 55.0
50% 35.0
60% 25.0
70% 20.0
80% 10.0
90% 5.0
============================================================================ Meyers Creek – Concentration Point B 2024

Page 24 of 24 ends

END OF FLOODSCx ROUTING ANALYSIS
10YR-D-SAUH.docx Page 1 of 18
____________________________________________________________________________ ****************************************************************************

************************** DESCRIPTION OF STUDY ************************** * MEYERS CREEK - SAUH - 10-YEAR EVENT *
* Concentration Point D *
* 2025-07-17 *
************************************************************************** FILE NAME: 10_M_DN.DAT
TIME/DATE OF STUDY: 17:16 07/17/2025
**************************************************************************** FLOW PROCESS FROM NODE 1000.00 TO NODE 1001.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 14496.980 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 7198.590 FEET ELEVATION VARIATION ALONG WATERCOURSE = 2575.570 FEET
BASIN FACTOR = 0.035
WATERSHED AREA = 804.200 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.378 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

FOOTHILL S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.230
LOW LOSS FRACTION = 0.400
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.39
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 1.02
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.55
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.74
Meyers Creek – Concentration Point D 2024

Page 2 of 18 ends

SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 4.01
SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 8.10
PRECIPITATION DEPTH-AREA REDUCTION FACTORS:
5-MINUTE FACTOR = 0.964
30-MINUTE FACTOR = 0.964
1-HOUR FACTOR = 0.964
3-HOUR FACTOR = 0.995
6-HOUR FACTOR = 0.997
24-HOUR FACTOR = 0.998
UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES
UNIT INTERVAL PERCENTAGE OF LAG-TIME = 22.051
============================================================================

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

NUMBER MEAN VALUES ORDINATES(CFS)
---------------------------------------------------------------------------- 1 1.495 145.430
2 5.774 416.123
3 12.357 640.266
4 23.787 1111.700
5 47.093 2266.671
6 61.967 1446.585
7 69.631 745.378
8 75.522 572.969
9 79.897 425.532
10 83.676 367.479
11 86.716 295.684
12 89.157 237.411
13 91.237 202.277
14 93.014 172.819
15 94.470 141.627
16 95.653 115.029
17 96.511 83.474
18 97.222 69.175
19 97.884 64.376
20 98.103 21.329
21 98.217 11.087
22 98.331 11.095
23 98.446 11.095
24 98.559 11.078
25 98.674 11.113
26 98.788 11.078
27 98.902 11.113
Meyers Creek – Concentration Point D 2024

Page 3 of 18 ends

28 99.016 11.078
29 99.130 11.078
30 99.244 11.078
31 99.358 11.078
32 99.471 11.078
33 99.585 11.078
34 99.699 11.078
35 99.813 11.078
36 99.927 11.078
37 100.000 7.093
Meyers Creek – Concentration Point D 2024

Page 4 of 18 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

Page 5 of 18 ends

Page 6 of 18 ends

Page 7 of 18 ends

146 0.0310 0.0124 0.0186
147 0.0314 0.0126 0.0189
148 0.0316 0.0127 0.0190
149 0.0321 0.0128 0.0192
150 0.0323 0.0129 0.0194
151 0.0327 0.0131 0.0196
152 0.0330 0.0132 0.0198
153 0.0335 0.0134 0.0201
154 0.0337 0.0135 0.0202
155 0.0342 0.0137 0.0205
156 0.0345 0.0138 0.0207
157 0.0351 0.0140 0.0211
158 0.0354 0.0142 0.0212
159 0.0360 0.0144 0.0216
160 0.0363 0.0145 0.0218
161 0.0370 0.0148 0.0222
162 0.0374 0.0149 0.0224
163 0.0381 0.0152 0.0229
164 0.0385 0.0154 0.0231
165 0.0393 0.0157 0.0236
166 0.0397 0.0159 0.0238
167 0.0407 0.0163 0.0244
168 0.0411 0.0165 0.0247
169 0.0417 0.0167 0.0250
170 0.0422 0.0169 0.0253
171 0.0434 0.0173 0.0260
172 0.0440 0.0176 0.0264
173 0.0453 0.0181 0.0272
174 0.0460 0.0184 0.0276
175 0.0476 0.0190 0.0285
176 0.0484 0.0192 0.0292
177 0.0502 0.0192 0.0311
178 0.0512 0.0192 0.0321
179 0.0534 0.0192 0.0343
180 0.0547 0.0192 0.0355
181 0.0574 0.0192 0.0382
182 0.0590 0.0192 0.0398
183 0.0625 0.0192 0.0434
184 0.0646 0.0192 0.0454
185 0.0764 0.0192 0.0573
186 0.0793 0.0192 0.0602
187 0.0862 0.0192 0.0670
188 0.0907 0.0192 0.0715
189 0.0916 0.0192 0.0725
190 0.1007 0.0192 0.0815
191 0.1325 0.0192 0.1133
192 0.1695 0.0192 0.1504
193 0.3760 0.0192 0.3568
194 0.1131 0.0192 0.0939
195 0.0959 0.0192 0.0767
Meyers Creek – Concentration Point D 2024

Page 8 of 18 ends

196 0.0825 0.0192 0.0633
197 0.0669 0.0192 0.0477
198 0.0607 0.0192 0.0415
199 0.0560 0.0192 0.0368
200 0.0523 0.0192 0.0331
201 0.0493 0.0192 0.0301
202 0.0468 0.0187 0.0281
203 0.0446 0.0179 0.0268
204 0.0428 0.0171 0.0257
205 0.0416 0.0167 0.0250
206 0.0402 0.0161 0.0241
207 0.0389 0.0156 0.0233
208 0.0377 0.0151 0.0226
209 0.0367 0.0147 0.0220
210 0.0357 0.0143 0.0214
211 0.0348 0.0139 0.0209
212 0.0340 0.0136 0.0204
213 0.0332 0.0133 0.0199
214 0.0325 0.0130 0.0195
215 0.0318 0.0127 0.0191
216 0.0312 0.0125 0.0187
217 0.0281 0.0112 0.0169
218 0.0276 0.0110 0.0165
219 0.0270 0.0108 0.0162
220 0.0265 0.0106 0.0159
221 0.0261 0.0104 0.0156
222 0.0256 0.0103 0.0154
223 0.0252 0.0101 0.0151
224 0.0248 0.0099 0.0149
225 0.0244 0.0098 0.0147
226 0.0241 0.0096 0.0144
227 0.0237 0.0095 0.0142
228 0.0234 0.0094 0.0140
229 0.0231 0.0092 0.0138
230 0.0228 0.0091 0.0137
231 0.0225 0.0090 0.0135
232 0.0222 0.0089 0.0133
233 0.0219 0.0088 0.0131
234 0.0216 0.0087 0.0130
235 0.0214 0.0086 0.0128
236 0.0211 0.0085 0.0127
237 0.0209 0.0084 0.0125
238 0.0207 0.0083 0.0124
239 0.0204 0.0082 0.0123
240 0.0202 0.0081 0.0121
241 0.0200 0.0080 0.0120
242 0.0198 0.0079 0.0119
243 0.0196 0.0079 0.0118
244 0.0194 0.0078 0.0117
245 0.0193 0.0077 0.0116
Meyers Creek – Concentration Point D 2024

Page 9 of 18 ends

246 0.0191 0.0076 0.0114
247 0.0189 0.0076 0.0113
248 0.0187 0.0075 0.0112
249 0.0186 0.0074 0.0111
250 0.0184 0.0074 0.0110
251 0.0183 0.0073 0.0110
252 0.0181 0.0072 0.0109
253 0.0179 0.0072 0.0108
254 0.0178 0.0071 0.0107
255 0.0177 0.0071 0.0106
256 0.0175 0.0070 0.0105
257 0.0174 0.0070 0.0104
258 0.0173 0.0069 0.0104
259 0.0171 0.0069 0.0103
260 0.0170 0.0068 0.0102
261 0.0169 0.0068 0.0101
262 0.0168 0.0067 0.0101
263 0.0166 0.0067 0.0100
264 0.0165 0.0066 0.0099
265 0.0164 0.0066 0.0098
266 0.0163 0.0065 0.0098
267 0.0162 0.0065 0.0097
268 0.0161 0.0064 0.0097
269 0.0160 0.0064 0.0096
270 0.0159 0.0064 0.0095
271 0.0158 0.0063 0.0095
272 0.0157 0.0063 0.0094
273 0.0156 0.0062 0.0094
274 0.0155 0.0062 0.0093
275 0.0154 0.0062 0.0092
276 0.0153 0.0061 0.0092
277 0.0152 0.0061 0.0091
278 0.0151 0.0061 0.0091
279 0.0150 0.0060 0.0090
280 0.0150 0.0060 0.0090
281 0.0149 0.0059 0.0089
282 0.0148 0.0059 0.0089
283 0.0147 0.0059 0.0088
284 0.0146 0.0059 0.0088
285 0.0146 0.0058 0.0087
286 0.0145 0.0058 0.0087
287 0.0144 0.0058 0.0086
288 0.0143 0.0057 0.0086
TOTAL STORM RAINFALL(INCHES) = 8.09
TOTAL SOIL-LOSS(INCHES) = 2.82
TOTAL EFFECTIVE RAINFALL(INCHES) = 5.27
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 189.0364
Meyers Creek – Concentration Point D 2024

Page 10 of 18 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 352.7394
---------------------------------------------------------------------------- Meyers Creek – Concentration Point D 2024

Page 11 of 18 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 375.0 750.0 1125.0 1500.0 ----------------------------------------------------------------------------

0.083 0.0086 1.25 Q . . . .

0.167 0.0417 4.81 Q . . . .

0.250 0.1127 10.31 Q . . . .

0.333 0.2494 19.85 Q . . . .

0.417 0.5201 39.31 VQ . . . .

0.500 0.8768 51.79 VQ . . . .

0.583 1.2784 58.31 VQ . . . .

0.667 1.7148 63.36 VQ . . . .

0.750 2.1775 67.18 VQ . . . .

0.833 2.6630 70.49 VQ . . . .

0.917 3.1672 73.22 VQ . . . .

1.000 3.6867 75.44 V Q . . . .

1.083 4.2196 77.37 V Q . . . .

1.167 4.7641 79.06 V Q . . . .

1.250 5.3184 80.49 V Q . . . .

1.333 5.8810 81.68 V Q . . . .

1.417 6.4500 82.62 V Q . . . .

1.500 7.0247 83.44 V Q . . . .

1.583 7.6047 84.22 V Q . . . .

1.667 8.1876 84.63 V Q . . . .

1.750 8.7727 84.97 V Q . . . .

1.833 9.3601 85.29 .VQ . . . .

1.917 9.9499 85.63 .VQ . . . .

2.000 10.5419 85.96 .VQ . . . .

2.083 11.1363 86.31 .VQ . . . .

2.167 11.7330 86.64 .VQ . . . .

2.250 12.3321 86.99 .VQ . . . .

2.333 12.9336 87.33 .VQ . . . .

2.417 13.5375 87.68 .VQ . . . .

2.500 14.1437 88.03 .VQ . . . .

2.583 14.7524 88.39 .VQ . . . .

2.667 15.3636 88.74 .VQ . . . .

2.750 15.9772 89.10 .VQ . . . .

2.833 16.5933 89.46 .VQ . . . .

2.917 17.2119 89.82 .VQ . . . .

3.000 17.8330 90.19 . Q . . . .

3.083 18.4565 90.53 . Q . . . .

3.167 19.0818 90.80 . Q . . . .

3.250 19.7091 91.08 . Q . . . .

Meyers Creek – Concentration Point D 2024

Page 12 of 18 ends

3.333 20.3383 91.36 . Q . . . .

3.417 20.9695 91.65 . Q . . . .

3.500 21.6026 91.93 . Q . . . .

3.583 22.2377 92.22 . Q . . . .

3.667 22.8749 92.51 . Q . . . .

3.750 23.5141 92.81 . Q . . . .

3.833 24.1553 93.11 . Q . . . .

3.917 24.7987 93.41 . Q . . . .

4.000 25.4441 93.71 . Q . . . .

4.083 26.0916 94.02 . Q . . . .

4.167 26.7413 94.33 . QV . . . .

4.250 27.3931 94.65 . QV . . . .

4.333 28.0471 94.96 . QV . . . .

4.417 28.7034 95.29 . QV . . . .

4.500 29.3618 95.60 . QV . . . .

4.583 30.0225 95.94 . QV . . . .

4.667 30.6854 96.26 . QV . . . .

4.750 31.3507 96.60 . QV . . . .

4.833 32.0183 96.93 . QV . . . .

4.917 32.6882 97.28 . QV . . . .

5.000 33.3605 97.62 . QV . . . .

5.083 34.0352 97.97 . QV . . . .

5.167 34.7123 98.32 . QV . . . .

5.250 35.3919 98.68 . Q V . . . .

5.333 36.0740 99.03 . Q V . . . .

5.417 36.7585 99.40 . Q V . . . .

5.500 37.4456 99.76 . Q V . . . .

5.583 38.1353 100.14 . Q V . . . .

5.667 38.8275 100.51 . Q V . . . .

5.750 39.5224 100.90 . Q V . . . .

5.833 40.2198 101.27 . Q V . . . .

5.917 40.9200 101.67 . Q V . . . .

6.000 41.6229 102.06 . Q V . . . .

6.083 42.3286 102.46 . Q V . . . .

6.167 43.0370 102.86 . Q V . . . .

6.250 43.7482 103.27 . Q V . . . .

6.333 44.4623 103.68 . Q V . . . .

6.417 45.1793 104.11 . Q V . . . .

6.500 45.8991 104.52 . Q V . . . .

6.583 46.6220 104.96 . Q V . . . .

6.667 47.3478 105.39 . Q V . . . .

6.750 48.0766 105.83 . Q V . . . .

6.833 48.8085 106.27 . Q V . . . .

6.917 49.5436 106.73 . Q V . . . .

7.000 50.2817 107.18 . Q V . . . .

7.083 51.0231 107.65 . Q V . . . .

7.167 51.7676 108.11 . Q V . . . .

7.250 52.5155 108.59 . Q V . . . .

7.333 53.2666 109.07 . Q V . . . .

7.417 54.0212 109.56 . Q V . . . .

Meyers Creek – Concentration Point D 2024

Page 13 of 18 ends

7.500 54.7791 110.05 . Q V . . . .

7.583 55.5405 110.56 . Q V . . . .

7.667 56.3054 111.06 . Q V . . . .

7.750 57.0739 111.58 . Q V . . . .

7.833 57.8459 112.10 . Q V . . . .

7.917 58.6216 112.64 . Q V . . . .

8.000 59.4010 113.17 . Q V . . . .

8.083 60.1842 113.72 . Q V . . . .

8.167 60.9712 114.27 . Q V . . . .

8.250 61.7621 114.84 . Q V . . . .

8.333 62.5569 115.40 . Q V . . . .

8.417 63.3557 115.99 . Q V . . . .

8.500 64.1585 116.57 . Q V . . . .

8.583 64.9655 117.18 . Q V . . . .

8.667 65.7766 117.77 . Q V . . . .

8.750 66.5921 118.40 . Q V . . . .

8.833 67.4118 119.02 . Q V . . . .

8.917 68.2359 119.67 . Q V . . . .

9.000 69.0644 120.30 . Q V . . . .

9.083 69.8976 120.97 . Q V . . . .

9.167 70.7353 121.63 . Q V . . . .

9.250 71.5777 122.32 . Q V . . . .

9.333 72.4249 123.00 . Q V . . . .

9.417 73.2769 123.72 . Q V . . . .

9.500 74.1339 124.43 . Q V . . . .

9.583 74.9959 125.17 . Q V . . . .

9.667 75.8630 125.90 . Q V . . . .

9.750 76.7353 126.67 . Q V . . . .

9.833 77.6129 127.43 . Q V . . . .

9.917 78.4960 128.23 . Q V . . . .

10.000 79.3845 129.01 . Q V. . . .

10.083 80.2788 129.84 . Q V. . . .

10.167 81.1786 130.66 . Q V. . . .

10.250 82.0844 131.52 . Q V. . . .

10.333 82.9960 132.37 . Q V. . . .

10.417 83.9139 133.27 . Q V. . . .

10.500 84.8378 134.15 . Q V. . . .

10.583 85.7681 135.09 . Q V. . . .

10.667 86.7048 136.01 . Q V. . . .

10.750 87.6482 136.98 . Q V. . . .

10.833 88.5983 137.95 . Q V . . .

10.917 89.5554 138.97 . Q V . . .

11.000 90.5193 139.97 . Q V . . .

11.083 91.4907 141.04 . Q V . . .

11.167 92.4692 142.09 . Q V . . .

11.250 93.4555 143.20 . Q V . . .

11.333 94.4493 144.31 . Q V . . .

11.417 95.4512 145.48 . Q V . . .

11.500 96.4611 146.63 . Q V . . .

11.583 97.4794 147.86 . Q .V . . .

Meyers Creek – Concentration Point D 2024

Page 14 of 18 ends

11.667 98.5061 149.08 . Q .V . . .

11.750 99.5417 150.37 . Q .V . . .

11.833 100.5862 151.65 . Q .V . . .

11.917 101.6400 153.01 . Q .V . . .

12.000 102.7031 154.37 . Q .V . . .

12.083 103.7777 156.02 . Q .V . . .

12.167 104.8664 158.08 . Q .V . . .

12.250 105.9722 160.57 . Q . V . . .

12.333 107.1001 163.76 . Q . V . . .

12.417 108.2626 168.80 . Q . V . . .

12.500 109.4512 172.59 . Q . V . . .

12.583 110.6593 175.42 . Q . V . . .

12.667 111.8851 177.98 . Q . V . . .

12.750 113.1277 180.43 . Q . V . . .

12.833 114.3866 182.79 . Q . V . . .

12.917 115.6618 185.16 . Q . V . . .

13.000 116.9528 187.45 . Q . V . . .

13.083 118.2601 189.82 . Q . V . . .

13.167 119.5834 192.15 . Q . V . . .

13.250 120.9235 194.58 . Q . V . . .

13.333 122.2800 196.97 . Q . V . . .

13.417 123.6539 199.49 . Q . V . . .

13.500 125.0450 201.99 . Q . V . . .

13.583 126.4546 204.68 . Q . V . . .

13.667 127.8824 207.31 . Q . V . . .

13.750 129.3297 210.14 . Q . V . . .

13.833 130.7966 213.00 . Q . V . . .

13.917 132.2848 216.09 . Q . V . . .

14.000 133.7946 219.22 . Q . V . . .

14.083 135.3275 222.58 . Q . V . . .

14.167 136.8834 225.91 . Q . V . . .

14.250 138.4640 229.50 . Q . V . . .

14.333 140.0688 233.01 . Q . V . . .

14.417 141.6981 236.57 . Q . V . . .

14.500 143.3541 240.46 . Q . V . . .

14.583 145.0414 245.00 . Q . V . . .

14.667 146.7615 249.75 . Q . V . . .

14.750 148.5193 255.24 . Q . V . . .

14.833 150.3184 261.23 . Q . V . . .

14.917 152.1669 268.40 . Q . V . . .

15.000 154.0735 276.83 . Q . V . . .

15.083 156.0533 287.47 . Q . V . . .

15.167 158.1134 299.13 . Q . V . . .

15.250 160.2685 312.92 . Q . V . . .

15.333 162.5266 327.88 . Q . V . . .

15.417 164.9136 346.59 . Q. V . . .

15.500 167.4542 368.90 . Q. V . . .

15.583 170.1858 396.63 . Q V. . .

15.667 173.1499 430.39 . .Q V. . .

15.750 176.4336 476.79 . . Q V . .

Meyers Creek – Concentration Point D 2024

Page 15 of 18 ends

15.833 180.0131 519.75 . . Q V . .

15.917 183.9239 567.84 . . Q V . .

16.000 188.2410 626.85 . . Q .V . .

16.083 193.2471 726.88 . . Q.V . .

16.167 199.2483 871.38 . . . VQ . .

16.250 206.3509 1031.30 . . . V Q . .

16.333 214.8274 1230.78 . . . V . Q .

16.417 225.0127 1478.91 . . . V . Q.

16.500 233.3008 1203.44 . . . V . Q .

16.583 239.8697 953.80 . . . Q V . .

16.667 245.5995 831.97 . . . Q V . .

16.750 250.5496 718.75 . . Q. V . .

16.833 254.9609 640.52 . . Q . V . .

16.917 258.8928 570.92 . . Q . V. .

17.000 262.4191 512.03 . . Q . V. .

17.083 265.6220 465.06 . . Q . V .

17.167 268.5468 424.69 . .Q . V .

17.250 271.2238 388.70 . Q . V .

17.333 273.6875 357.72 . Q. . .V .

17.417 275.9565 329.47 . Q . . .V .

17.500 278.0728 307.27 . Q . . .V .

17.583 280.0574 288.17 . Q . . .V .

17.667 281.8692 263.07 . Q . . .V .

17.750 283.5824 248.76 . Q . . . V .

17.833 285.2285 239.01 . Q . . . V .

17.917 286.8180 230.80 . Q . . . V .

18.000 288.3604 223.96 . Q . . . V .

18.083 289.8605 217.80 . Q . . . V .

18.167 291.3193 211.83 . Q . . . V .

18.250 292.7381 206.00 . Q . . . V .

18.333 294.1143 199.82 . Q . . . V .

18.417 295.4377 192.17 . Q . . . V .

18.500 296.7182 185.93 . Q . . . V .

18.583 297.9643 180.92 . Q . . . V .

18.667 299.1785 176.31 . Q . . . V .

18.750 300.3636 172.07 . Q . . . V .

18.833 301.5209 168.04 . Q . . . V .

18.917 302.6509 164.08 . Q . . . V .

19.000 303.7527 159.98 . Q . . . V .

19.083 304.8200 154.97 . Q . . . V .

19.167 305.8510 149.70 . Q . . . V .

19.250 306.8601 146.52 . Q . . . V .

19.333 307.8494 143.65 . Q . . . V .

19.417 308.8211 141.09 . Q . . . V .

19.500 309.7767 138.76 . Q . . . V .

19.583 310.7173 136.57 . Q . . . V .

19.667 311.6441 134.58 . Q . . . V .

19.750 312.5581 132.70 . Q . . . V .

19.833 313.4597 130.92 . Q . . . V .

19.917 314.3497 129.22 . Q . . . V .

Meyers Creek – Concentration Point D 2024

Page 16 of 18 ends

20.000 315.2284 127.59 . Q . . . V .

20.083 316.0963 126.01 . Q . . . V .

20.167 316.9537 124.50 . Q . . . V .

20.250 317.8011 123.04 . Q . . . V .

20.333 318.6387 121.63 . Q . . . V .

20.417 319.4671 120.27 . Q . . . V .

20.500 320.2863 118.96 . Q . . . V .

20.583 321.0969 117.69 . Q . . . V .

20.667 321.8989 116.46 . Q . . . V .

20.750 322.6927 115.26 . Q . . . V .

20.833 323.4786 114.11 . Q . . . V .

20.917 324.2567 112.99 . Q . . . V .

21.000 325.0273 111.90 . Q . . . V .

21.083 325.7907 110.84 . Q . . . V .

21.167 326.5471 109.83 . Q . . . V .

21.250 327.2967 108.84 . Q . . . V .

21.333 328.0397 107.89 . Q . . . V .

21.417 328.7763 106.95 . Q . . . V .

21.500 329.5067 106.05 . Q . . . V .

21.583 330.2309 105.16 . Q . . . V .

21.667 330.9492 104.30 . Q . . . V .

21.750 331.6617 103.46 . Q . . . V .

21.833 332.3686 102.64 . Q . . . V .

21.917 333.0699 101.83 . Q . . . V .

22.000 333.7659 101.05 . Q . . . V .

22.083 334.4565 100.29 . Q . . . V .

22.167 335.1421 99.54 . Q . . . V .

22.250 335.8226 98.81 . Q . . . V .

22.333 336.4982 98.10 . Q . . . V .

22.417 337.1690 97.40 . Q . . . V .

22.500 337.8351 96.71 . Q . . . V .

22.583 338.4965 96.05 . Q . . . V .

22.667 339.1535 95.39 . Q . . . V .

22.750 339.8060 94.75 . Q . . . V .

22.833 340.4543 94.12 . Q . . . V .

22.917 341.0982 93.51 . Q . . . V .

23.000 341.7381 92.90 . Q . . . V .

23.083 342.3738 92.31 . Q . . . V .

23.167 343.0056 91.73 . Q . . . V .

23.250 343.6334 91.16 . Q . . . V .

23.333 344.2574 90.60 . Q . . . V.

23.417 344.8776 90.05 . Q . . . V.

23.500 345.4940 89.51 . Q . . . V.

23.583 346.1069 88.99 . Q . . . V.

23.667 346.7162 88.47 . Q . . . V.

23.750 347.3219 87.96 . Q . . . V.

23.833 347.9242 87.45 . Q . . . V.

23.917 348.5231 86.96 . Q . . . V.

24.000 349.1187 86.48 . Q . . . V.

24.083 349.7025 84.76 . Q . . . V.

Meyers Creek – Concentration Point D 2024

Page 17 of 18 ends

24.167 350.2585 80.74 . Q . . . V.

24.250 350.7738 74.83 .Q . . . V.

24.333 351.2209 64.92 .Q . . . V.

24.417 351.5322 45.19 .Q . . . V.

24.500 351.7566 32.58 Q . . . V.

24.583 351.9359 26.03 Q . . . V.

24.667 352.0804 20.99 Q . . . V.

24.750 352.1991 17.24 Q . . . V.

24.833 352.2956 14.00 Q . . . V.

24.917 352.3741 11.40 Q . . . V.

25.000 352.4381 9.31 Q . . . V.

25.083 352.4900 7.53 Q . . . V.

25.167 352.5314 6.01 Q . . . V.

25.250 352.5642 4.76 Q . . . V.

25.333 352.5900 3.75 Q . . . V.

25.417 352.6108 3.02 Q . . . V.

25.500 352.6274 2.41 Q . . . V.

25.583 352.6402 1.85 Q . . . V.

25.667 352.6516 1.66 Q . . . V.

25.750 352.6623 1.55 Q . . . V.

25.833 352.6722 1.45 Q . . . V.

25.917 352.6815 1.35 Q . . . V.

26.000 352.6901 1.24 Q . . . V.

26.083 352.6979 1.14 Q . . . V.

26.167 352.7051 1.04 Q . . . V.

26.250 352.7116 0.94 Q . . . V.

26.333 352.7174 0.84 Q . . . V.

26.417 352.7225 0.74 Q . . . V.

26.500 352.7269 0.64 Q . . . V.

26.583 352.7307 0.54 Q . . . V.

26.667 352.7337 0.45 Q . . . V.

26.750 352.7361 0.35 Q . . . V.

26.833 352.7379 0.25 Q . . . V.

26.917 352.7390 0.16 Q . . . V.

27.000 352.7394 0.06 Q . . . V.
-------------------------------------------------------------------------------- TIME DURATION(minutes) OF PERCENTILES OF ESTIMATED PEAK FLOW RATE:
(Note: 100% of Peak Flow Rate estimate assumed to have
an instantaneous time duration)
Percentile of Estimated Duration
Peak Flow Rate (minutes)
======================= =========
0% 1620.0
10% 455.0
20% 145.0
30% 85.0
40% 55.0
50% 35.0
60% 25.0
Meyers Creek – Concentration Point D 2024

Page 18 of 18 ends

70% 15.0
80% 15.0
90% 5.0
============================================================================ END OF FLOODSCx ROUTING ANALYSIS
10YR-E-SAUH.docx Page 1 of 22
____________________________________________________________________________ ****************************************************************************

************************** DESCRIPTION OF STUDY ************************** * Meyers Creek - Hydrograph at Node E - 10YR 24HR *
* Q3 - 9/21/2023 *
* *
************************************************************************** FILE NAME: 10_MC_E.DAT
TIME/DATE OF STUDY: 17:52 09/25/2023
**************************************************************************** FLOW PROCESS FROM NODE 1000.00 TO NODE 1001.00 IS CODE = 1 ---------------------------------------------------------------------------- >>>>>SUBAREA RUNOFF (UNIT-HYDROGRAPH ANALYSIS)<<<<<
============================================================================ (UNIT-HYDROGRAPH ADDED TO STREAM #1)
WATERCOURSE LENGTH = 4798.590 FEET
LENGTH FROM CONCENTRATION POINT TO CENTROID = 2299.180 FEET ELEVATION VARIATION ALONG WATERCOURSE = 637.670 FEET
BASIN FACTOR = 0.040
WATERSHED AREA = 134.790 ACRES
BASEFLOW = 0.000 CFS/SQUARE-MILE
WATERCOURSE "LAG" TIME = 0.194 HOURS
CAUTION: LAG TIME IS LESS THAN 0.50 HOURS.

THE 5-MINUTE PERIOD UH MODEL (USED IN THIS COMPUTER PROGRAM) MAY BE TOO LARGE FOR PEAK FLOW ESTIMATES.

FOOTHILL S-GRAPH SELECTED
MAXIMUM WATERSHED LOSS RATE(INCH/HOUR) = 0.260
LOW LOSS FRACTION = 0.490
*HYDROGRAPH MODEL #1 SPECIFIED*
SPECIFIED PEAK 5-MINUTES RAINFALL(INCH)= 0.37
SPECIFIED PEAK 30-MINUTES RAINFALL(INCH)= 0.97
SPECIFIED PEAK 1-HOUR RAINFALL(INCH) = 1.47
SPECIFIED PEAK 3-HOUR RAINFALL(INCH) = 2.55
SPECIFIED PEAK 6-HOUR RAINFALL(INCH) = 3.71
SPECIFIED PEAK 24-HOUR RAINFALL(INCH) = 7.30
PRECIPITATION DEPTH-AREA REDUCTION FACTORS:

Meyers Creek – Concentration Point E 2024

Page 2 of 22 ends

5-MINUTE FACTOR = 0.994
30-MINUTE FACTOR = 0.994
1-HOUR FACTOR = 0.994
3-HOUR FACTOR = 0.999
6-HOUR FACTOR = 1.000
24-HOUR FACTOR = 1.000
UNIT HYDROGRAPH TIME UNIT = 5.000 MINUTES
UNIT INTERVAL PERCENTAGE OF LAG-TIME = 42.884
============================================================================

UNIT HYDROGRAPH DETERMINATION
---------------------------------------------------------------------------- INTERVAL "S" GRAPH UNIT HYDROGRAPH

NUMBER MEAN VALUES ORDINATES(CFS)
---------------------------------------------------------------------------- 1 3.493 56.938
2 17.030 220.675
3 52.294 574.836
4 71.413 311.663
5 80.875 154.246
6 87.159 102.438
7 91.468 70.244
8 94.547 50.187
9 96.526 32.265
10 97.804 20.825
11 98.208 6.593
12 98.430 3.616
13 98.652 3.616
14 98.874 3.617
15 99.096 3.616
16 99.317 3.616
17 99.539 3.616
18 99.761 3.616
19 99.983 3.616
20 100.000 0.280
Meyers Creek – Concentration Point E 2024

Page 3 of 22 ends

****************************************************************************

UNIT UNIT UNIT EFFECTIVE

PERIOD RAINFALL SOIL-LOSS RAINFALL
(NUMBER) (INCHES) (INCHES) (INCHES)
---------------------------------------------------------------------------- 1 0.0124 0.0061 0.0063
2 0.0124 0.0061 0.0063
3 0.0125 0.0061 0.0064
4 0.0125 0.0061 0.0064
5 0.0125 0.0061 0.0064
6 0.0125 0.0061 0.0064
7 0.0126 0.0062 0.0064
8 0.0126 0.0062 0.0064
9 0.0127 0.0062 0.0065
10 0.0127 0.0062 0.0065
11 0.0127 0.0062 0.0065
12 0.0128 0.0062 0.0065
13 0.0128 0.0063 0.0065
14 0.0128 0.0063 0.0065
15 0.0129 0.0063 0.0066
16 0.0129 0.0063 0.0066
17 0.0130 0.0063 0.0066
18 0.0130 0.0064 0.0066
19 0.0130 0.0064 0.0066
20 0.0131 0.0064 0.0067
21 0.0131 0.0064 0.0067
22 0.0131 0.0064 0.0067
23 0.0132 0.0065 0.0067
24 0.0132 0.0065 0.0067
25 0.0133 0.0065 0.0068
26 0.0133 0.0065 0.0068
27 0.0133 0.0065 0.0068
28 0.0134 0.0066 0.0068
29 0.0134 0.0066 0.0068
30 0.0135 0.0066 0.0069
31 0.0135 0.0066 0.0069
32 0.0135 0.0066 0.0069
33 0.0136 0.0067 0.0069
34 0.0136 0.0067 0.0070
35 0.0137 0.0067 0.0070
36 0.0137 0.0067 0.0070
37 0.0138 0.0068 0.0070
38 0.0138 0.0068 0.0070
39 0.0139 0.0068 0.0071
40 0.0139 0.0068 0.0071
41 0.0140 0.0068 0.0071
42 0.0140 0.0069 0.0071
43 0.0141 0.0069 0.0072
44 0.0141 0.0069 0.0072
45 0.0142 0.0069 0.0072
Meyers Creek – Concentration Point E 2024

Page 4 of 22 ends

46 0.0142 0.0070 0.0072
47 0.0143 0.0070 0.0073
48 0.0143 0.0070 0.0073
49 0.0144 0.0070 0.0073
50 0.0144 0.0071 0.0073
51 0.0145 0.0071 0.0074
52 0.0145 0.0071 0.0074
53 0.0146 0.0071 0.0074
54 0.0146 0.0072 0.0074
55 0.0147 0.0072 0.0075
56 0.0147 0.0072 0.0075
57 0.0148 0.0072 0.0075
58 0.0148 0.0073 0.0076
59 0.0149 0.0073 0.0076
60 0.0149 0.0073 0.0076
61 0.0150 0.0074 0.0077
62 0.0150 0.0074 0.0077
63 0.0151 0.0074 0.0077
64 0.0152 0.0074 0.0077
65 0.0152 0.0075 0.0078
66 0.0153 0.0075 0.0078
67 0.0154 0.0075 0.0078
68 0.0154 0.0076 0.0079
69 0.0155 0.0076 0.0079
70 0.0155 0.0076 0.0079
71 0.0156 0.0077 0.0080
72 0.0157 0.0077 0.0080
73 0.0158 0.0077 0.0080
74 0.0158 0.0077 0.0081
75 0.0159 0.0078 0.0081
76 0.0159 0.0078 0.0081
77 0.0160 0.0079 0.0082
78 0.0161 0.0079 0.0082
79 0.0162 0.0079 0.0083
80 0.0162 0.0080 0.0083
81 0.0163 0.0080 0.0083
82 0.0164 0.0080 0.0084
83 0.0165 0.0081 0.0084
84 0.0165 0.0081 0.0084
85 0.0166 0.0082 0.0085
86 0.0167 0.0082 0.0085
87 0.0168 0.0082 0.0086
88 0.0169 0.0083 0.0086
89 0.0170 0.0083 0.0087
90 0.0170 0.0083 0.0087
91 0.0171 0.0084 0.0087
92 0.0172 0.0084 0.0088
93 0.0173 0.0085 0.0088
94 0.0174 0.0085 0.0089
95 0.0175 0.0086 0.0089
Meyers Creek – Concentration Point E 2024

Page 5 of 22 ends

96 0.0175 0.0086 0.0090
97 0.0177 0.0087 0.0090
98 0.0177 0.0087 0.0090
99 0.0179 0.0088 0.0091
100 0.0179 0.0088 0.0091
101 0.0181 0.0089 0.0092
102 0.0181 0.0089 0.0092
103 0.0183 0.0090 0.0093
104 0.0183 0.0090 0.0094
105 0.0185 0.0091 0.0094
106 0.0186 0.0091 0.0095
107 0.0187 0.0092 0.0095
108 0.0188 0.0092 0.0096
109 0.0189 0.0093 0.0097
110 0.0190 0.0093 0.0097
111 0.0192 0.0094 0.0098
112 0.0192 0.0094 0.0098
113 0.0194 0.0095 0.0099
114 0.0195 0.0096 0.0099
115 0.0197 0.0096 0.0100
116 0.0198 0.0097 0.0101
117 0.0199 0.0098 0.0102
118 0.0200 0.0098 0.0102
119 0.0202 0.0099 0.0103
120 0.0203 0.0099 0.0104
121 0.0205 0.0100 0.0104
122 0.0206 0.0101 0.0105
123 0.0208 0.0102 0.0106
124 0.0209 0.0102 0.0107
125 0.0211 0.0103 0.0108
126 0.0212 0.0104 0.0108
127 0.0214 0.0105 0.0109
128 0.0215 0.0106 0.0110
129 0.0218 0.0107 0.0111
130 0.0219 0.0107 0.0112
131 0.0221 0.0108 0.0113
132 0.0223 0.0109 0.0113
133 0.0225 0.0110 0.0115
134 0.0226 0.0111 0.0115
135 0.0229 0.0112 0.0117
136 0.0230 0.0113 0.0117
137 0.0233 0.0114 0.0119
138 0.0235 0.0115 0.0120
139 0.0238 0.0116 0.0121
140 0.0239 0.0117 0.0122
141 0.0242 0.0119 0.0124
142 0.0244 0.0119 0.0124
143 0.0247 0.0121 0.0126
144 0.0249 0.0122 0.0127
145 0.0280 0.0137 0.0143
Meyers Creek – Concentration Point E 2024

Page 6 of 22 ends

146 0.0282 0.0138 0.0144
147 0.0285 0.0140 0.0146
148 0.0287 0.0141 0.0147
149 0.0291 0.0143 0.0149
150 0.0293 0.0144 0.0150
151 0.0298 0.0146 0.0152
152 0.0300 0.0147 0.0153
153 0.0304 0.0149 0.0155
154 0.0307 0.0150 0.0156
155 0.0312 0.0153 0.0159
156 0.0314 0.0154 0.0160
157 0.0320 0.0157 0.0163
158 0.0322 0.0158 0.0164
159 0.0328 0.0161 0.0167
160 0.0331 0.0162 0.0169
161 0.0338 0.0165 0.0172
162 0.0341 0.0167 0.0174
163 0.0348 0.0170 0.0177
164 0.0351 0.0172 0.0179
165 0.0359 0.0176 0.0183
166 0.0363 0.0178 0.0185
167 0.0372 0.0182 0.0190
168 0.0376 0.0184 0.0192
169 0.0361 0.0177 0.0184
170 0.0366 0.0179 0.0187
171 0.0377 0.0185 0.0192
172 0.0383 0.0187 0.0195
173 0.0395 0.0194 0.0202
174 0.0402 0.0197 0.0205
175 0.0417 0.0204 0.0213
176 0.0425 0.0208 0.0217
177 0.0442 0.0217 0.0225
178 0.0452 0.0217 0.0235
179 0.0473 0.0217 0.0256
180 0.0485 0.0217 0.0268
181 0.0511 0.0217 0.0295
182 0.0527 0.0217 0.0310
183 0.0561 0.0217 0.0345
184 0.0581 0.0217 0.0365
185 0.0743 0.0217 0.0526
186 0.0771 0.0217 0.0554
187 0.0838 0.0217 0.0622
188 0.0883 0.0217 0.0666
189 0.0900 0.0217 0.0684
190 0.0989 0.0217 0.0772
191 0.1301 0.0217 0.1084
192 0.1663 0.0217 0.1446
193 0.3678 0.0217 0.3461
194 0.1111 0.0217 0.0894
195 0.0934 0.0217 0.0717
Meyers Creek – Concentration Point E 2024

Page 7 of 22 ends

196 0.0802 0.0217 0.0585
197 0.0604 0.0217 0.0387
198 0.0543 0.0217 0.0326
199 0.0498 0.0217 0.0281
200 0.0462 0.0217 0.0245
201 0.0433 0.0212 0.0221
202 0.0409 0.0200 0.0209
203 0.0389 0.0190 0.0198
204 0.0371 0.0182 0.0189
205 0.0381 0.0187 0.0194
206 0.0367 0.0180 0.0187
207 0.0355 0.0174 0.0181
208 0.0344 0.0169 0.0176
209 0.0334 0.0164 0.0171
210 0.0325 0.0159 0.0166
211 0.0317 0.0155 0.0162
212 0.0309 0.0152 0.0158
213 0.0302 0.0148 0.0154
214 0.0295 0.0145 0.0151
215 0.0289 0.0142 0.0148
216 0.0283 0.0139 0.0145
217 0.0251 0.0123 0.0128
218 0.0245 0.0120 0.0125
219 0.0241 0.0118 0.0123
220 0.0236 0.0116 0.0120
221 0.0232 0.0114 0.0118
222 0.0228 0.0112 0.0116
223 0.0224 0.0110 0.0114
224 0.0220 0.0108 0.0112
225 0.0217 0.0106 0.0110
226 0.0213 0.0104 0.0109
227 0.0210 0.0103 0.0107
228 0.0207 0.0101 0.0106
229 0.0204 0.0100 0.0104
230 0.0201 0.0099 0.0103
231 0.0198 0.0097 0.0101
232 0.0196 0.0096 0.0100
233 0.0193 0.0095 0.0099
234 0.0191 0.0094 0.0097
235 0.0189 0.0092 0.0096
236 0.0186 0.0091 0.0095
237 0.0184 0.0090 0.0094
238 0.0182 0.0089 0.0093
239 0.0180 0.0088 0.0092
240 0.0178 0.0087 0.0091
241 0.0176 0.0086 0.0090
242 0.0174 0.0085 0.0089
243 0.0172 0.0085 0.0088
244 0.0171 0.0084 0.0087
245 0.0169 0.0083 0.0086
Meyers Creek – Concentration Point E 2024

Page 8 of 22 ends

246 0.0167 0.0082 0.0085
247 0.0166 0.0081 0.0085
248 0.0164 0.0081 0.0084
249 0.0163 0.0080 0.0083
250 0.0161 0.0079 0.0082
251 0.0160 0.0078 0.0082
252 0.0159 0.0078 0.0081
253 0.0157 0.0077 0.0080
254 0.0156 0.0076 0.0079
255 0.0155 0.0076 0.0079
256 0.0153 0.0075 0.0078
257 0.0152 0.0075 0.0078
258 0.0151 0.0074 0.0077
259 0.0150 0.0073 0.0076
260 0.0149 0.0073 0.0076
261 0.0147 0.0072 0.0075
262 0.0146 0.0072 0.0075
263 0.0145 0.0071 0.0074
264 0.0144 0.0071 0.0074
265 0.0143 0.0070 0.0073
266 0.0142 0.0070 0.0073
267 0.0141 0.0069 0.0072
268 0.0140 0.0069 0.0072
269 0.0139 0.0068 0.0071
270 0.0138 0.0068 0.0071
271 0.0137 0.0067 0.0070
272 0.0137 0.0067 0.0070
273 0.0136 0.0066 0.0069
274 0.0135 0.0066 0.0069
275 0.0134 0.0066 0.0068
276 0.0133 0.0065 0.0068
277 0.0132 0.0065 0.0068
278 0.0132 0.0064 0.0067
279 0.0131 0.0064 0.0067
280 0.0130 0.0064 0.0066
281 0.0129 0.0063 0.0066
282 0.0129 0.0063 0.0066
283 0.0128 0.0063 0.0065
284 0.0127 0.0062 0.0065
285 0.0126 0.0062 0.0064
286 0.0126 0.0062 0.0064
287 0.0125 0.0061 0.0064
288 0.0124 0.0061 0.0063
TOTAL STORM RAINFALL(INCHES) = 7.30
TOTAL SOIL-LOSS(INCHES) = 3.08
TOTAL EFFECTIVE RAINFALL(INCHES) = 4.22
---------------------------------------------------------------------------- TOTAL SOIL-LOSS VOLUME(ACRE-FEET) = 34.5876
Meyers Creek – Concentration Point E 2024

Page 9 of 22 ends

TOTAL STORM RUNOFF VOLUME(ACRE-FEET) = 47.3630
---------------------------------------------------------------------------- Meyers Creek – Concentration Point E 2024

Page 10 of 22 ends

============================================================================ 2 4 - H O U R S T O R M

R U N O F F H Y D R O G R A P H
============================================================================

HYDROGRAPH IN FIVE-MINUTE UNIT INTERVALS(CFS)
(Note: Time indicated is at END of Each Unit Intervals) ---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 100.0 200.0 300.0 400.0
----------------------------------------------------------------------------

0.083 0.0025 0.36 Q . . . .

0.167 0.0146 1.75 Q . . . .

0.250 0.0517 5.39 Q . . . .

0.333 0.1024 7.37 Q . . . .

0.417 0.1600 8.37 Q . . . .

0.500 0.2223 9.03 Q . . . .

0.583 0.2877 9.50 Q . . . .

0.667 0.3555 9.84 Q . . . .

0.750 0.4249 10.08 VQ . . . .

0.833 0.4954 10.23 VQ . . . .

0.917 0.5664 10.31 VQ . . . .

1.000 0.6377 10.36 VQ . . . .

1.083 0.7094 10.41 VQ . . . .

1.167 0.7814 10.46 VQ . . . .

1.250 0.8538 10.51 VQ . . . .

1.333 0.9265 10.56 VQ . . . .

1.417 0.9997 10.62 VQ . . . .

1.500 1.0732 10.67 VQ . . . .

1.583 1.1470 10.73 VQ . . . .

1.667 1.2211 10.76 .Q . . . .

1.750 1.2954 10.79 .Q . . . .

1.833 1.3700 10.82 .Q . . . .

1.917 1.4447 10.85 .Q . . . .

2.000 1.5197 10.88 .Q . . . .

2.083 1.5949 10.92 .Q . . . .

2.167 1.6703 10.95 .Q . . . .

2.250 1.7459 10.98 .Q . . . .

2.333 1.8218 11.02 .Q . . . .

2.417 1.8979 11.05 .Q . . . .

2.500 1.9743 11.08 .Q . . . .

2.583 2.0508 11.12 .Q . . . .

2.667 2.1277 11.15 .Q . . . .

2.750 2.2047 11.19 .Q . . . .

2.833 2.2820 11.22 .Q . . . .

2.917 2.3596 11.26 .Q . . . .

3.000 2.4374 11.30 .QV . . . .

3.083 2.5154 11.33 .QV . . . .

3.167 2.5937 11.37 .QV . . . .

3.250 2.6723 11.41 .QV . . . .

Meyers Creek – Concentration Point E 2024

Page 11 of 22 ends

3.333 2.7511 11.44 .QV . . . .

3.417 2.8301 11.48 .QV . . . .

3.500 2.9095 11.52 .QV . . . .

3.583 2.9891 11.56 .QV . . . .

3.667 3.0689 11.60 .QV . . . .

3.750 3.1491 11.64 .QV . . . .

3.833 3.2295 11.67 .QV . . . .

Meyers Creek – Concentration Point E 2024

Page 12 of 22 ends

---------------------------------------------------------------------------- TIME(HRS) VOLUME(AF) Q(CFS) 0. 100.0 200.0 300.0 400.0
----------------------------------------------------------------------------

3.917 3.3102 11.72 .QV . . . .

4.000 3.3911 11.75 .QV . . . .

4.083 3.4724 11.80 .QV . . . .

4.167 3.5539 11.84 .Q V . . . .

4.250 3.6357 11.88 .Q V . . . .

4.333 3.7178 11.92 .Q V . . . .

4.417 3.8002 11.97 .Q V . . . .

4.500 3.8829 12.01 .Q V . . . .

4.583 3.9659 12.05 .Q V . . . .

4.667 4.0492 12.09 .Q V . . . .

4.750 4.1328 12.14 .Q V . . . .

4.833 4.2167 12.18 .Q V . . . .

4.917 4.3010 12.23 .Q V . . . .

5.000 4.3855 12.27 .Q V . . . .

5.083 4.4704 12.32 .Q V . . . .

5.167 4.5555 12.37 .Q V . . . .

5.250 4.6411 12.42 .Q V . . . .

5.333 4.7269 12.46 .Q V . . . .

5.417 4.8131 12.51 .Q V . . . .

5.500 4.8996 12.56 .Q V . . . .

5.583 4.9865 12.61 .Q V . . . .

5.667 5.0737 12.66 .Q V . . . .

5.750 5.1612 12.71 .Q V . . . .

5.833 5.2492 12.76 .Q V . . . .

5.917 5.3374 12.82 .Q V . . . .

6.000 5.4261 12.87 .Q V . . . .

6.083 5.5151 12.92 .Q V . . . .

6.167 5.6044 12.98 .Q V . . . .

6.250 5.6942 13.03 .Q V . . . .

6.333 5.7843 13.09 .Q V . . . .

6.417 5.8749 13.15 .Q V . . . .

6.500 5.9658 13.20 .Q V . . . .

6.583 6.0571 13.26 .Q V . . . .

6.667 6.1488 13.32 .Q V . . . .

6.750 6.2409 13.38 .Q V . . . .

6.833 6.3335 13.44 .Q V . . . .

6.917 6.4264 13.50 .Q V . . . .

7.000 6.5198 13.56 .Q V . . . .

7.083 6.6136 13.62 .Q V . . . .

7.167 6.7079 13.68 .Q V . . . .

7.250 6.8026 13.75 .Q V . . . .

7.333 6.8977 13.81 .Q V . . . .

7.417 6.9933 13.88 .Q V . . . .

7.500 7.0893 13.94 .Q V . . . .

7.583 7.1858 14.02 .Q V . . . .

7.667 7.2828 14.08 .Q V . . . .

7.750 7.3803 14.15 .Q V . . . .

Meyers Creek – Concentration Point E 2024

Page 13 of 22 ends

7.833 7.4783 14.22 .Q V . . . .

7.917 7.5767 14.30 .Q V . . . .

8.000 7.6757 14.37 .Q V . . . .

Meyers Creek – Concentration Point E 2024

Page 14 of 22 ends

8.083 7.7752 14.44 .Q V . . . .

8.167 7.8751 14.52 .Q V . . . .

8.250 7.9757 14.60 .Q V . . . .

8.333 8.0767 14.67 .Q V . . . .

8.417 8.1783 14.75 .Q V . . . .

8.500 8.2804 14.83 .Q V . . . .

8.583 8.3831 14.91 .Q V . . . .

8.667 8.4864 14.99 .Q V . . . .

8.750 8.5903 15.08 .Q V . . . .

8.833 8.6947 15.16 .Q V . . . .

8.917 8.7998 15.25 .Q V . . . .

9.000 8.9054 15.34 .Q V . . . .

9.083 9.0117 15.43 .Q V . . . .

9.167 9.1186 15.52 .Q V . . . .

9.250 9.2261 15.62 .Q V . . . .

9.333 9.3343 15.71 .Q V . . . .

9.417 9.4432 15.81 .Q V . . . .

9.500 9.5527 15.90 .Q V . . . .

9.583 9.6630 16.01 .Q V . . . .

9.667 9.7739 16.11 .Q V . . . .

9.750 9.8856 16.22 .Q V . . . .

9.833 9.9980 16.32 .Q V . . . .

9.917 10.1111 16.43 .Q V . . . .

10.000 10.2250 16.54 .Q V . . . .

10.083 10.3397 16.65 .Q V . . . .

10.167 10.4551 16.76 .Q V . . . .

10.250 10.5714 16.88 .Q V . . . .

10.333 10.6885 17.00 .Q V. . . .

10.417 10.8065 17.13 .Q V. . . .

10.500 10.9252 17.25 .Q V. . . .

10.583 11.0449 17.38 .Q V. . . .

10.667 11.1655 17.51 .Q V. . . .

10.750 11.2870 17.64 .Q V. . . .

10.833 11.4094 17.78 .Q V. . . .

10.917 11.5329 17.92 .Q V. . . .

11.000 11.6572 18.06 .Q V. . . .

11.083 11.7826 18.21 .Q V. . . .

11.167 11.9090 18.35 .Q V . . .

11.250 12.0365 18.51 .Q V . . .

11.333 12.1651 18.67 .Q V . . .

11.417 12.2948 18.83 .Q V . . .

11.500 12.4256 18.99 .Q V . . .

11.583 12.5576 19.17 .Q V . . .

11.667 12.6908 19.34 .Q V . . .

11.750 12.8253 19.52 .Q V . . .

11.833 12.9609 19.70 .Q V . . .

11.917 13.0980 19.90 .Q .V . . .

Meyers Creek – Concentration Point E 2024

Page 15 of 22 ends

12.000 13.2363 20.09 . Q .V . . .

12.083 13.3767 20.38 . Q .V . . .

12.167 13.5205 20.88 . Q .V . . .

Meyers Creek – Concentration Point E 2024

Page 16 of 22 ends

12.250 13.6714 21.91 . Q .V . . .

12.333 13.8267 22.55 . Q .V . . .

12.417 13.9851 23.01 . Q .V . . .

12.500 14.1461 23.37 . Q .V . . .

12.583 14.3095 23.72 . Q . V . . .

12.667 14.4750 24.03 . Q . V . . .

12.750 14.6426 24.34 . Q . V . . .

12.833 14.8122 24.63 . Q . V . . .

12.917 14.9839 24.92 . Q . V . . .

13.000 15.1574 25.20 . Q . V . . .

13.083 15.3332 25.52 . Q . V . . .

13.167 15.5109 25.82 . Q . V . . .

13.250 15.6911 26.15 . Q . V . . .

13.333 15.8734 26.48 . Q . V . . .

13.417 16.0583 26.84 . Q . V . . .

13.500 16.2456 27.19 . Q . V . . .

13.583 16.4356 27.59 . Q . V . . .

13.667 16.6283 27.97 . Q . V . . .

13.750 16.8239 28.40 . Q . V . . .

13.833 17.0223 28.82 . Q . V . . .

13.917 17.2241 29.29 . Q . V . . .

14.000 17.4290 29.75 . Q . V . . .

14.083 17.6370 30.21 . Q . V . . .

14.167 17.8466 30.44 . Q . V . . .

14.250 18.0552 30.29 . Q . V . . .

14.333 18.2651 30.47 . Q . V . . .

14.417 18.4781 30.94 . Q . V . . .

14.500 18.6948 31.47 . Q . V . . .

14.583 18.9162 32.14 . Q . V . . .

14.667 19.1424 32.84 . Q . V . . .

14.750 19.3744 33.69 . Q . V . . .

14.833 19.6126 34.58 . Q . V . . .

14.917 19.8591 35.79 . Q . V . . .

15.000 20.1165 37.38 . Q . V . . .

15.083 20.3893 39.60 . Q . V . . .

15.167 20.6782 41.95 . Q . V . . .

15.250 20.9877 44.93 . Q . V . . .

15.333 21.3187 48.06 . Q . V . . .

15.417 21.6814 52.67 . Q . V . . .

15.500 22.0904 59.39 . Q . V . . .

15.583 22.5817 71.33 . Q . V. . .

15.667 23.1378 80.74 . Q . V. . .

15.750 23.7557 89.72 . Q . V . .

15.833 24.4292 97.80 . Q. V . .

15.917 25.1639 106.68 . Q .V . .

16.000 26.0167 123.83 . . Q .V . .

16.083 27.1596 165.94 . . Q . V . .

Meyers Creek – Concentration Point E 2024

Page 17 of 22 ends

Mayor and City CouncilOctober 21, 2026

Mayor and City Council
October 21, 2026