CITY OF POINT ARENA WASTEWATER
TREATMENT FACILITY
P.O. BOX 67
POINT ARENA, CA 95468 (707) 882-2700 Date 12/08/2025
ATTN: Lynett Shipsey
CRWQCB - North Coast Region
5550 Skylane Boulevard Suite A
Santa Rosa, CA 95403
Dear NCRWQCB,
Here is Point Arena's report for the month of November 2025. The plant was in compliance with all discharge requirements. During this month we have maintained the required freeboard, at all times, in all of our percolation ponds.
There were no blockages or overflows in the collection system during the month of November 2025.
I certify under penalty of law that this document and all attachments were prepared under my direction in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted, is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, Respectfully,
Joseph C. Wilson
Operator, Point Arena W.W.T.P.
ORDER No. R1-2022-0015
Molly Haviland
City Manager
City of Point Arena
CITY OF POINT ARENA
WASTEWATER RECLAMATION FACILITY
ORDER NO. R1-2022-0015
MONTH INF EFF EFFLUENT TESTING
Nov-25 FLOW MGD, FLOW MGD RAIN " BOD INFR PH CLRESI COL 7SSML/L Lab PH 1 0.025 0
2 0.023 O.122545
0.023 0 0.5
0.026 0 1.1
0.043 0.182048 0.11 ND/<5 34 6.67 11 IND/<1.87 <1 7.22
6 0.04 0.2
7 0.036
8 0.03 0.104 0
0.032 0.092
10 0.019 0 0
11 0.024 0 0
12 0.024 0.16 1.25 6 26 6.72 11 ND/<1.8| < 1 7.04
13 0.048 0.078126 0.35
14 0.061 0.14
15 0.034 0 0.15
16 0.027 0.110135 1.95
17 0.09 0.273686 0.38
18 0.099 0.139394
19 0.052 0.048 0.2 12 23 6.79 11 ND/<1.8 <1 7.15
20 0.045 0
21 0.046
22 0.037
23 0.033 0.208
24 0.03 0
25 0.032 0.036 ND/<5 20 6.88 11 ND/<1.8 < 1 6.98
26 0.039 0 0
0.033
28 0.033
29 0.033
30 0.035 0.142
31 TOTAL 11.152 1.835934 6.19 28.39
PEAK 0.099 0.273686 1.95 34 6.88 11 ND/<1.8 <0.1 7.22
MEDIAN ND/<1.8
AVERAGE 0.0384 0.0611978 [0.2063 4.5 25.75 6.765 11 <1 7.0975
CITY OF POINT ARENA
WASTEWATER TREATMENT PLANT
YEAR OF 2025
MONITORING AND REPORTING PROGRAM NO. R1-2022-0015
INFLUENT MONITORING JAN FEB MAR APR MAY JUN JUL 00210258 00252 AUG NOV DEC MEAN DAILY FLOW,MGD 0.06816 0.11207 0.05752 0.0358 0.02774|0.03167 0.029 0.0384 MAX DAILY FLOW,MGD 0.184 0.36 0.134 0.058 0.036 0.055 0.035 0.036 0.033 0.038 0.099 RAINFALL INCHES 2.57" 9.87" 7.74" 0.57" 0.79" 0.10" 0.15" 1.2" 2.77" 6.19"
EFFLUENT MONITORING JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC BOD (20 DEG.C.5 DAY mg/l 8.825 14.08 19.75 16.58 11.95 11.5 4.5 TSS mg/l 21.25 34.5 73.2 59.75 107.2 34.5 26.4 25.75
HYDROGEN ION PH 7.4625 7.412 7.0975
SETTABLE MATTER ml/l <1
CHLORINE RES. Mg/l 11 11 11 11
TOTAL COLIFORM MPN/100ml ND<1.8 ND<1.8 ND<1.8 IND<1.8 ND/<1.8 0021:8 0183403282 0222 42043 ND/<1.8 ND/<1.8 MEAN DAILY FLOW MGD 0.07327 0.15073 0.063210.04006 0.0408 0.0612
CITY OF POINT ARENA -- PERCOLATION POND LEVELS
ORDER NO.R1-2022-0015 WDID NO.1B800450MEN
DATE POND 1 Pond 2 POND 3 POND 4 %
January 2, 2025 4' 4' 4' 4' 80%
3' 4' 4' 70%
2'6" 2'6" 37.50%
1 1 15%
6" 6" 10%
3' 2 3' 50%
3' 2' 3' 2' 50%
2' 1' 4' 4' 55.00%
1 3" 1' 16.25%
1 2' 20.00%
2' 20.00%
6" 1'6" 1' 18%
3" 1'6" 15%
6" 1' 15%
3" 6" 5%
3" 3" 6" 5%
3" 0
2,50%.
April 30, 2025 3" 0
May 8, 2025 3"
May 14, 2025 0
May 21, 2025 0
May 28, 2025 0
0 0 O
June 4, 2025 0%
June 11, 2025 0 0 0%
June 18, 2025 0 0%
June 25, 2025 0%
July 2, 2025
July 9, 2025 0
July 16, 2025 0 O
July 23, 2025 0
July 30, 2025 0
August 6, 2025 0 1000
August 13, 2025 0
August 20, 2025
August 27, 2025
September 3, 2025 0%
September 10, 2025 0
September 17, 2025 0 0000
September 24, 2025
October 1, 2025
October 8, 2025
October 15, 2025 0
October 23, 2025 0000000000000 = 00000000
October 29, 2025 0
November 5, 2025 0
November 12, 2025
November 19, 2025
November 25, 2025
December 3, 2025 0
December 10, 2025
December 17. 2025
December 24, 2025