Sewer Rate Study
Revised Tables 9/1/21
City of South San Francisco
10.42 50.00
24.50 19.74
34.44 62.75
76.83 85.44
45.97 33.5
70.33 97.34
47.34 32.27
102.00
106.93
83.80 91.88
15.37 132.08
145.17
295.25
27.50 25.90
34.55 22.73
46.16 61.56
26.37 50.99
68.04 36.41
34.46 37.92
50.00 50.40
54.29 57.17
62.75 76.83
85.44 92.13
95.06 96.71
97.34 98.33
100.31
102.00
106.93
120.21
126.34
130.42
132.08
145.17
$0
$25$50$75
$100$125$150$175
Sewer Usage ChargesFixed or Minimum Charges
Single Family Residential Monthly Sewer Rates
Based on flat rate or 5.5 hcf of monthly winter water use Rates effective April 2021
FY2021/22
2% Increase
51.92 57.13
74.53 70.28
89.65 68.74
57.13 58.41
57.13 74.48
70.63 76.42
81.41 57.13
97.19 87.40
89.65 133.95
104.56
54.29 62.75
50.00 57.17
50.40 85.44
98.33 97.34
106.93
92.13 102.00
96.71 100.31
132.08
95.06 120.21
145.17
126.34
295.25
106.21
119.88
124.53
127.44
140.05
154.18
155.45
155.75
164.06
166.61
172.63
173.13
181.72
189.21
192.25
207.61
234.82
260.28
$0
$50
$100$150$200$250$300$350
Sewer Charges: Flat rate or 5.5 hcf monthly winter useWater Charges: Base meter size with 6 hcf monthly use Combined Monthly Water & Sewer Bill Survey
Single Family Residence
Rates effective January 2021
399.81
Table 1 Note: City adopted reduced rates that were lower than proposed and then further reduced rates implemented South San Francisco Current rates are 12.4% below original proposed ratesHistorical Sewer Rates Sewer rate increases have averaged 3.6% per year over the period shown Basis of Calculation 2011/12 2012/13 2013/14 2014/15 2015/16 2016/17 2017/18 2018/19 2019/20 2020/21 2021/22 Rate Increase %: Proposed 15% 10% 5% 5% 5%
Rate Increase %: Adopted 0% 0% 4% 4% 2% 13% 10% 2% 2% 2% Rate Increase %: Implemented 0% 0% 4% 4% 2% 13% 9% 2% 0% 2% reduced cancelled
RESIDENTIAL
Fixed annual charge per residential dwelling unit.
Single Unit Residential Dwelling Unit $532 $532 $532 $553 $575 $588 $664 $724 $739 $739 $753 Multi‐Unit Residential Dwelling Unit 532 532 532 516 516 527 596 650 663 663 676 Trailer Unit Residential Dwelling Unit 477 477 477 496 516 527 596 650 663 663 676
COMMERCIAL / INSTITUTIONAL
Volumetric charges per ccf of inflow or effluent, subject to a minimum annual charge.
Light Strength Commercial Minimum Charge 532 532 532 553 575 588 664 724 739 739 753 Hundred Cubic Feet Inflow 7.0478 7.0478 7.0478 7.4028 7.4028 7.5508 8.5324 9.3003 9.4863 9.4863 9.6761 or Effluent 7.8336 7.8336 7.8336 8.2253 8.2253 8.3898 9.4805 10.3337 10.5404 10.5404 10.7512 Moderate Strength Commercial Minimum Charge 532 532 532 553 575 588 664 724 739 739 753 Hundred Cubic Feet Inflow 11.0325 11.0325 11.0325 11.5849 11.5849 11.8166 13.3528 14.5545 14.8456 14.8456 15.1425 or Effluent 12.2591 12.2591 12.2591 12.8721 12.8721 13.1295 14.8363 16.1716 16.4950 16.4950 16.8249 Restaurants Minimum Charge 532 532 532 553 575 588 664 724 739 739 754 Hundred Cubic Feet Inflow 16.1205 16.1205 16.1205 16.9261 16.9261 17.2646 19.5090 21.2648 21.6901 21.6901 22.1239 or Effluent 17.9112 17.9112 17.9112 18.8068 18.8068 19.1829 21.6767 23.6276 24.1001 24.1001 24.5821 Institutions Minimum Charge 532 532 532 553 575 588 664 724 739 739 753 Hundred Cubic Feet Inflow 5.6881 5.6881 5.6881 5.9711 5.9711 6.0906 6.8824 7.5018 7.6518 7.6518 7.8049 or Effluent 6.3187 6.3187 6.3187 6.6346 6.6346 6.7673 7.6470 8.3353 8.5020 8.5020 8.6720 Septage Haulers Charge per Gallon 0.3007 0.3007 0.3007 0.3157 0.3157 0.3220 0.3639 0.3966 0.4045 0.4045 0.4126
INDUSTRIAL
Volumetric charges per ccf of inflow or effluent plus charges per pound for wastewater strength loadings of COD and TSS, subject to a minimum annual charge.
Industrial Minimum Charge 532 532 532 553 575 588 664 724 739 739 753 Hundred Cubic Feet Inflow 4.2231 4.2231 4.2231 4.4348 4.4348 4.5235 5.1116 5.5716 5.6830 5.6830 5.7967 or Effluent 4.6929 4.6929 4.6929 4.9275 4.9275 5.0261 5.6795 6.1906 6.3145 6.3145 6.4408 Chemical Oxygen Demand Pounds 0.4379 0.4379 0.4379 0.4598 0.4598 0.4690 0.5300 0.5777 0.5892 0.5892 0.6010 Total Suspended Solids Pounds 1.4178 1.4178 1.4178 1.4887 1.4887 1.5185 1.7159 1.8703 1.9077 1.9077 1.9459 One hundred cubic feet (ccf) equals approximately 748 gallons.
Commercial sewer charges are based on annual water consumption from the prior calendar year.
City offers a $76 discount pursuant to a Low‐Income Sewer Service Rebate Program based on income eligibility and participation in CalWater's Low Income Rate Assistance (LIRA) Program.
44.29 44.29 44.29 46.07 47.92 49.00
55.38 60.37 61.58 61.58 62.75
$20$30$40$50$60$70$80
2011/12
2012/13
2013/14
2014/15
2015/16
2016/17
2017/18
2018/19
2019/20
2020/21
2021/22
Fiscal Year
History of Sewer Rates per Single Family Home
FY2011/12 rate + 3.5% escalation
Monthly Sewer Charge
Table 2
South San Francisco
Long Term Historical Rates per EDU
Fiscal Annual Multi‐Year
Year Rate/EDU Adopted Implemented Rate Increases
1999/00 $179 6.5% 6.5% 5‐Year Rate Plan
2000/01 188 5.0% 5.0%
2001/02 197 5.0% 5.0%
2002/03 207 5.0% 5.0%
2003/04 217 5.0% 5.0%
2004/05 272 25.0% 25.0% 5‐Year Rate Plan
2005/06 296 9.0% 9.0%
2006/07 323 9.0% 9.0%
2007/08 352 9.0% 9.0%
2008/09 383 9.0% 9.0%
2009/10 460 20.0% 20.0% 5‐Year Rate Plan
2010/11 506 10.0% 10.0%
2011/12 532 5.0% 5.0%
2012/13 532 0.0% 0.0%
2013/14 532 0.0% 0.0%
2014/15 553 4.0% 4.0% 3‐Year Rate Plan
2015/16 575 4.0% 4.0%
2016/17 588 2.0% 2.0%
2017/18 664 13.0% 13.0% 5‐Year Rate Plan
2018/19 724 10.0% 9.0%
2019/20 739 2.0% 2.0%
2020/21 739 2.0% 0.0%
2021/22 753 2.0% 2.0%
Rate Increase %
Table 3
South San Francisco
Sewer Customers by Class
2017/18 2018/19 2019/20 2020/21 2021/22
Residential
Single Unit 10,809 10,787 10,785 10,760 10,734
Multi Unit 1,750 1,768 1,773 1,788 1,803
Trailers 1 1 1 1 1 ________ ________ ________ ________ ________ Subtotal 12,560 12,556 12,559 12,549 12,538
Commercial/Institutional/Industrial
Light Strength Comm'l (LTE) 1,204 1,203 1,201 1,204 1,196 Moderate Strength Comm'l (MOD) 182 191 193 194 194
Restaurant (RES) 109 116 117 119 125
Industrial (IND) 33 33 32 32 31
Institutional (INS) 34 32 33 33 33 ________ ________ ________ ________ ________ Subtotal 1,562 1,575 1,576 1,582 1,579
Other (Direct Billers, Septage Haulers) 140 140 140 140 140 Total 14,262 14,271 14,275 14,271 14,257
Estimated Residential Dwelling Units
Single Unit 10,809 10,787 10,785 10,760 10,734
Multi Unit 5,322 5,322 5,306 5,683 6,176
Trailers 356 355 353 355 355 ________ ________ ________ ________ ________ Subtotal 16,486 16,464 16,444 16,798 17,265
Table 4
South San Francisco
Sewer Enterprise Fund 710 Cash Balances
2018 2019 2020 2021
Preliminary Est.
Cash & Investments $20,364,113 $20,652,375 $21,442,247 $25,992,912 Source: Comprehensive Annual Financial Reports and City estimates for June 30, 2021.
As of June 30
Table 5
South San Francisco
Outstanding Sewer Debt
Fiscal Year 1999 2004 2005 2008 2018
Ending SRF Loan SRF Loan Bonds SRF Loan SRF Loan Total
Loan Amount $44,000,000 $21,258,529 $6,000,000 $9,164,505 $53,403,000 Princ Forgiveness ($4,000,000)
Interest Rate 2.60% 2.50% 2.75% ‐ 5.00% 2.40% 1.80%
Repayment Term 20 Years 20 Years 20 Years 20 Years 20 Years Reserve Req't $2,978,763 $1,382,335 $460,368 $432,998 $2,960,534 2021 $2,978,763 $1,382,335 $450,593 $432,998 ‐ $5,244,689 2022 2,978,763 1,382,335 451,331 432,998 ‐ 5,245,427
2023 ‐ 1,382,335 450,000 432,998 ‐ 2,265,333
2024 ‐ 1,382,335 446,625 432,998 2,960,534 5,222,492
2025 ‐ 1,382,335 447,375 432,998 2,960,534 5,223,242
2026 ‐ 1,382,335 447,125 432,998 2,960,534 5,222,992
2027 ‐‐ 445,875 432,998 2,960,534 3,839,407
2028 ‐‐‐ 432,998 2,960,534 3,393,532
2029 ‐‐‐ 432,998 2,960,534 3,393,532
2030 ‐‐‐‐ 2,960,534 2,960,534
2031 ‐‐‐‐ 2,960,534 2,960,534
2032 ‐‐‐‐ 2,960,534 2,960,534
2033 ‐‐‐‐ 2,960,534 2,960,534
2034 ‐‐‐‐ 2,960,534 2,960,534
2035 ‐‐‐‐ 2,960,534 2,960,534
2036 ‐‐‐‐ 2,960,534 2,960,534
2037 ‐‐‐‐ 2,960,534 2,960,534
2038 ‐‐‐‐ 2,960,534 2,960,534
2039 ‐‐‐‐ 2,960,534 2,960,534
2040 ‐‐‐‐ 2,960,534 2,960,534
2041 ‐‐‐‐ 2,960,534 2,960,534
2042 ‐‐‐‐ 2,960,534 2,960,534
2043 ‐‐‐‐ 2,960,534 2,960,534
2044 ‐‐‐‐‐ 0
Final payment for 2005 Bonds can be funded by the Reserve Fund held by the Trustee.
Table 6
South San Francisco
San Bruno Share of Outstanding Sewer Debt
Fiscal Year 1999 2004 2005 2008 2018
Ending SRF Loan SRF Loan Bonds SRF Loan SRF Loan Total
San Bruno Share Fixed Pymts 32.7% None None 26.92%
2021 $589,551 $452,024 ‐‐‐ $1,041,575
2022 589,551 452,024 ‐‐‐ 1,041,575
2023 ‐ 452,024 ‐‐‐ 452,024
2024 ‐ 452,024 ‐‐ 796,976 1,248,999
2025 ‐ 452,024 ‐‐ 796,976 1,248,999
2026 ‐ 452,024 ‐‐ 796,976 1,248,999
2027 ‐‐‐‐ 796,976 796,976
2028 ‐‐‐‐ 796,976 796,976
2029 ‐‐‐‐ 796,976 796,976
2030 ‐‐‐‐ 796,976 796,976
2031 ‐‐‐‐ 796,976 796,976
2032 ‐‐‐‐ 796,976 796,976
2033 ‐‐‐‐ 796,976 796,976
2034 ‐‐‐‐ 796,976 796,976
2035 ‐‐‐‐ 796,976 796,976
2036 ‐‐‐‐ 796,976 796,976
2037 ‐‐‐‐ 796,976 796,976
2038 ‐‐‐‐ 796,976 796,976
2039 ‐‐‐‐ 796,976 796,976
2040 ‐‐‐‐ 796,976 796,976
2041 ‐‐‐‐ 796,976 796,976
2042 ‐‐‐‐ 796,976 796,976
2043 ‐‐‐‐ 796,976 796,976
2044 ‐‐‐‐‐ 0
Table 7
South San FranciscoCapital Improvement ProgramProject No. Parent Project Notes 2021/22 2022/23 2023/24 2024/25 2025/26 5‐Yr Total Sewer Collection System Improvements
ss2001 Sanitary Sewer Rehabilitation 499,973 1,575,000 3,500,000 3,500,000 3,500,000 12,574,973 ss1901 Coating Program 1,050,000 1,200,000 2,250,000
ss1902 Pump Station #14 Upgrade To be determined $4,300,000 Need has yet to be determined; to be funded by Impact Fees if needed TBD/Excluded ss2201 Country Club Park Sewer Master Plan 210,000 210,000 ss2202 Oyster Point Pump Station Successor Agency No Sewer Funding TBD/Excluded ss1502 Pump Station #4 Force Main Under Utah Ave Timing unknown $8,000,000 Hoping for federal funds or may need to be debt financed; not yet included in CIP TBD/Excludedss1702 Pump Station #2 Upgrade $2,200,000 to be funded by Capacity Fee & Impact Fee Funds Excluded ss1801 Sewer Master Plan Phase 2 272,632 272,632
tbd Forcemain Location and Mapping 750,000 750,000 1,500,000 tbd ERP Financial System (Sewer Est. Share) 500,000 500,000 1,000,000 Subtotal: Sewer Collection System 2,032,605 3,275,000 4,750,000 4,250,000 3,500,000 17,807,605 Water Quality Control Plant Improvements
ss1205 WQCP Solar Photovoltaic System 1,190,965 1,190,965ss1301 WQCP Wet Weather and Digester Project 4,087,287 4,087,287 San Bruno Share Cash portion paid ‐
ss1307 Plant‐Wide Industrial Re‐Coating Program 4,890,546 1,750,000 2,000,000 2,000,000 10,640,546 San Bruno Share 26.49% (1,295,506) (463,575) (529,800) (529,800) (2,818,681) NBSU Share 3.66% (178,994) (64,050) (73,200) (73,200) (389,444) ss1601 Sodium Hypochlorite Storage Tank Repl Funded in FY21 ‐ss1802 Sea Level Rise Study & Planning at WQCP 138,000 3,855,000 2,170,000 2,170,000 8,333,000 San Bruno Share 29.79% (41,112) (1,148,449) (646,468) (646,468) (2,482,498) ss1703 WQCP Secondary Clarifiers No. 1 & 2 Reconstr 3,000,000 800,000 3,800,000 San Bruno Share 26.90% (807,000) (215,200) (1,022,200)
ss1705 WQCP Switchgear & Cogen Controls Upgrade Funded in FY21 ‐ tbd DAFT System Rehabilitation 2,500,000 2,500,000
San Bruno Share 26.90% (672,500) (672,500)
tbd Belt Filter Press Efficiency Improvement 1,100,000 1,100,000 San Bruno Share 36.68% (403,500) (403,500)
tbd WQCP Unplanned Project Funding 1,000,000 1,000,000
Est. Other Agency Share 26.90% (269,000) (269,000)
WQCP Total Project Costs 15,715,833 6,405,000 5,360,965 4,170,000 1,000,000 32,651,798 San Bruno/NBSU Share (3,398,611) (1,891,274) (1,249,468) (1,249,468) (269,000) (8,057,823) Subtotal: City Share of WQCP Projects 12,317,222 4,513,726 4,111,497 2,920,532 731,000 24,593,975 Total Capital Project Costs 17,748,438 9,680,000 10,110,965 8,420,000 4,500,000 50,459,403 Total City Funding Requirement (Excluding San Bruno/NBSU Share) 14,349,827 7,788,726 8,861,497 7,170,532 4,231,000 42,401,580 City 5‐Year Average Annual CIP Funding Requirement 8,480,316 Source: CIP Project Funding Worksheets and input from City.
12.3 4.5 4.1
2.9 0.7
3.4 1.9
1.2 1.2
0.3 2.0
3.3 4.8
4.3 3.5
17.7 9.7 10.1
8.4 4.5
$0$5
$10$15$20
2021/22 2022/23 2023/24 2024/25 2025/26
Sewer Collection SystemWQCP: Other Agency ShareWQCP: City Share South San Francisco
5‐Year Wastewater Capital Improvement Plan ($ millions) Total 5‐Year CIP = $50.5 MillionSan Bruno/NBSU Share = $8.1 Million South San Franciso Share = $42.4 Million
Table 8
0 1 2 3 4 5 6 7 8 9 10
Esc. 2020/21 2021/22 2022/23 2023/24 2024/25 2025/26 2026/27 2027/28 2028/29 2029/30 2029/30 Effective Date of Rate Increase Jul‐1 Jul‐1 Jul‐1 Jul‐1 Jul‐1 Jul‐1 Jul‐1 Jul‐1 Jul‐1 Jul‐1 Jul‐1 Sewer Rate Increase % 0% 2.0% 2.0% 3.0% 3.0% 3.0% 3.0% 2.0% 2.0% 2.5% 2.5%Projected Annual Single Family Charge $739 $754 $769 $792 $816 $840 $865 $882 $900 $923 $946 Interest Earnings Rate 0.5% 0.5% 0.8% 1.0% 1.0% 1.0% 1.0% 1.0% 1.0% 1.0% 1.0% Est Revenue Loss Due to Covid (Lagged) ‐ $2,000,000 $1,500,000 $1,000,000 ‐ ‐ ‐ ‐ ‐ ‐ ‐ Beginning Sewer Fund Cash Balances est $21,442,000 $26,993,000 $26,372,000 $24,872,000 $20,515,000 $18,634,000 $19,544,000 $20,324,000 $20,721,000 $20,693,000 $20,796,000 REVENUES Estimated Projected
Sewer Service Charges 24,600,000 23,092,000 24,094,000 25,362,000 27,153,000 27,968,000 28,807,000 29,383,000 29,971,000 30,720,000 31,488,000 Colma & NSMCSD Service Charges 1,357,000 1,363,000 1,390,000 1,421,000 1,463,000 1,508,000 1,552,000 1,595,000 1,626,000 1,661,000 1,704,000 San Bruno & Other Agency O&M 4.0% 3,825,000 3,774,000 3,925,000 4,082,000 4,245,000 4,415,000 4,592,000 4,776,000 4,967,000 5,166,000 5,373,000 San Bruno Share of Debt Service 1,042,000 1,042,000 452,000 1,249,000 1,249,000 1,249,000 797,000 797,000 797,000 797,000 797,000 Interest Earnings 110,000 135,000 198,000 249,000 205,000 186,000 195,000 203,000 207,000 207,000 208,000 Sewer Impact & Capacity Charges 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000Other Revenues 15,000 20,000 20,000 20,000 20,000 20,000 20,000 20,000 20,000 20,000 20,000 __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ Total Revenues 31,149,000 29,626,000 30,279,000 32,583,000 34,535,000 35,546,000 36,163,000 36,974,000 37,788,000 38,771,000 39,790,000SRF Reimbursement 9,916,000
EXPENSES
Operating & MaintenanceSalaries & Benefits 4.0% 9,837,000 8,421,000 8,758,000 9,108,000 9,472,000 9,851,000 10,245,000 10,655,000 11,081,000 11,524,000 11,985,000 PERS UAL Contributions incl above 1,640,000 1,789,000 1,882,000 1,980,000 2,038,000 2,092,000 2,148,000 2,205,000 2,264,000 2,324,000 Supplies & Services 4.0% 8,023,000 8,619,000 8,964,000 9,323,000 9,696,000 10,084,000 10,487,000 10,906,000 11,342,000 11,796,000 12,268,000 Interdepartment Charges 4.0% 1,246,000 1,638,000 1,704,000 1,772,000 1,843,000 1,917,000 1,994,000 2,074,000 2,157,000 2,243,000 2,333,000 Addl Wet Weather Cost Recovery 4.0% 0 0 250,000 500,000 750,000 1,000,000 1,040,000 1,082,000 1,125,000 1,170,000 1,217,000 O&M for New Equipment/Facilities 4.0% 0
__________ __________
250,000 260,000 270,000 281,000 292,000 304,000 316,000 329,000 342,000 356,000 __________ __________ __________ __________ __________ __________ __________ __________ __________ Subtotal 19,106,000 20,568,000 21,725,000 22,855,000 24,022,000 25,182,000 26,162,000 27,181,000 28,239,000 29,339,000 30,483,000 Debt Service
1999 SRF Loan 2,979,000 2,979,000 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ 2004 SRF Loan 1,382,000 1,382,000 1,382,000 1,382,000 1,382,000 1,382,000 ‐ ‐ ‐ ‐ ‐2005 Bonds 451,000 451,000 450,000 447,000 447,000 447,000 ‐ ‐ ‐ ‐ ‐ 2008 SRF Loan 433,000 433,000 433,000 433,000 433,000 433,000 433,000 433,000 433,000 ‐‐2018 SRF Loan __________
‐ ‐ ‐
__________ __________ __________
2,961,000 2,961,000 2,961,000 2,961,000 2,961,000 2,961,000 2,961,000 2,961,000 __________ __________ __________ __________ __________ __________ __________ Subtotal 5,245,000 5,245,000 2,265,000 5,223,000 5,223,000 5,223,000 3,394,000 3,394,000 3,394,000 2,961,000 2,961,000 Capital Improvements Budget
Sewer Collection System Projects 3.0% 2,350,000 2,033,000 3,275,000 4,750,000 4,250,000 3,500,000 4,000,000 4,120,000 4,244,000 4,371,000 4,502,000WQCP Projects 3.0% 1,750,000 15,716,000 6,405,000 5,361,000 4,170,000 1,000,000 2,500,000 2,575,000 2,652,000 2,732,000 2,814,000 Less Other Agency Contribs for WQCP 0 (3,399,000) (1,891,000) (1,249,000) (1,249,000) (269,000) (673,000) (693,000) (713,000) (735,000) (757,000) __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ Subtotal 4,100,000 14,350,000 7,789,000 8,862,000 7,171,000 4,231,000 5,827,000 6,002,000 6,183,000 6,368,000 6,559,000 Total Expenses 28,451,000 40,163,000 31,779,000 36,940,000 36,416,000 34,636,000 35,383,000 36,577,000 37,816,000 38,668,000 40,003,000Revenues Less Expenses 2,698,000 (621,000) (1,500,000) (4,357,000) (1,881,000) 910,000 780,000 397,000 (28,000) 103,000 (213,000)Ending Sewer Fund Cash Balances 24,140,000 26,372,000 24,872,000 20,515,000 18,634,000 19,544,000 20,324,000 20,721,000 20,693,000 20,796,000 20,583,000 SRF Reserve Requirement 4,794,000 4,776,000 4,776,000 4,776,000 4,776,000 3,394,000 3,394,000 3,394,000 3,394,000 2,961,000 2,961,000 Debt Service Coverage (Min>1.15x) 2.30 1.73 3.78 1.86 2.01 1.98 2.95 2.89 2.81 3.19 3.14 South San Francisco Sewer Cash Flow Projections
9.8 10.1 10.5 11.0 11.5 11.9 12.3 12.8 13.3 13.8
9.3 10.5 11.2 11.9 12.6 13.3 13.8 14.4 15.0 5.2 15.6
5.2 2.3
5.2 5.2
5.2 3.4 3.4
3.4 3.0
4.1 14.4
7.8 8.9 7.2 4.2 5.8 6.0
6.2 6.4
$0
$10$20$30$40$50
2020/21 2021/22 2022/23 2023/24 2024/25 2025/26 2026/27 2027/28 2028/29 2029/30 Annual Expenses ($ Millions)
Capital Improvement ProjectsDebt ServiceOther Operating ExpensesSalaries & Benefits
Revenues
South San Francisco
Sewer Enterprise Projected Revenues
& Expenses
Elevated Levels of Capital Funding Result
in a Partial Draw Down of Fund Reserves
Over the Next
4 Years
However, Small Annual Rate Adjustments Support
Balanced Budgets in Future Years
Table 9
South San Francisco
Projected Sewer Rates
Current
Basis of Calculation Rates 2022/23 2023/24 2024/25 2025/26 2026/27 Projected Rate Increases 2% 3% 3% 3% 3%
RESIDENTIAL
Fixed annual charge per residential dwelling unit.
Single Unit Residential Dwelling Unit $753 $768 $791 $815 $839 $864 Multi‐Unit Residential Dwelling Unit 676 691 712 734 755 778 Trailer Unit Residential Dwelling Unit 676 691 712 734 755 778
COMMERCIAL / INSTITUTIONAL
Volumetric charges per ccf of inflow or effluent, subject to a minimum annual charge.
Light Strength Minimum Charge 753 768 791 815 839 864Commercial Hundred Cubic Feet Inflow 9.6761 9.87 10.17 10.48 10.79 11.11 or Effluent 10.7512 10.97 11.30 11.64 11.99 12.34
Moderate Strength Minimum Charge 753 768 791 815 839 864 Commercial Hundred Cubic Feet Inflow 15.1425 15.45 15.91 16.39 16.88 17.39 or Effluent 16.8249 17.17 17.68 18.21 18.76 19.32
Restaurants Minimum Charge 753 768 791 815 839 864
Hundred Cubic Feet Inflow 22.1239 22.57 23.25 23.95 24.67 25.41 or Effluent 24.5821 25.08 25.83 26.61 27.41 28.23
Institutions Minimum Charge 753 768 791 815 839 864
Hundred Cubic Feet Inflow 7.8049 7.96 8.20 8.45 8.70 8.96 or Effluent 8.6720 8.84 9.11 9.39 9.67 9.96
Septage Haulers Charge per Gallon 0.4126 0.42 0.43 0.44 0.45 0.46
INDUSTRIAL
Volumetric charges per ccf of inflow or effluent plus charges per pound for wastewater strength loadings of COD and TSS, subject to a minimum annual charge.
Industrial Minimum Charge 753 768 791 815 839 864
Hundred Cubic Feet Inflow 5.7967 5.91 6.09 6.27 6.46 6.65 or Effluent 6.4408 6.57 6.77 6.97 7.18 7.39
Chemical Oxygen Demand Pounds 0.6010 0.6130 0.6314 0.6503 0.6698 0.6899 Total Suspended Solids Pounds 1.9459 1.9848 2.0443 2.1056 2.1688 2.2339 One hundred cubic feet (ccf) equals approximately 748 gallons.
Commercial sewer charges are based on annual water consumption from the prior calendar year.
City offers a discount pursuant to a Low‐Income Sewer Service Rebate Program based on income eligibility and participation in CalWater's Customer Assistance Program (previously named the Low Income Rate Assistance (LIRA) Program).
Projected Rates Effective per Fiscal Year