FY 2026-27
Proposed Sewer Rate Plan
1 2
• Sewer Fund Background
• Sewer Rate Plan
• Infrastructure Investments
• Council Questions and Discussion
Presentation Overview
3 165 Miles of Sewer Line Connecting All of South
San Francisco including 13 Major Sewage
Pumping Stations
Wastewater Treatment Plant
1952
Current
4 South San Francisco -
San Bruno Partnership
SSF
SB
FY 2022-23 FY 2023-24 FY 2024-25 FY 2025-26 FY 2026-27
$864 per EDU
(3% Increase)
$839 per EDU
(3% Increase)
$815 per EDU
(3% Increase)
$791 per EDU
(3% Increase)
$768 per EDU
(2% Increase)
Single Unit
Residential
$778 per EDU
(3% Increase)
$755 per EDU
(3% Increase)
$734 per EDU
(3% Increase)
$712 per EDU
(3% Increase)
$691 per EDU
(2% Increase)
Multi-Unit/Trailer
Residential
Commercial* (2% Increase) (3% Increase) (3% Increase) (3% Increase) (3% Increase) 5 *Minimum commercial rate is tied to Single Unit Residential 6 Low-interest CWSRF funding resulting in a lower interest rate on debt service; and
$4 million in principal forgiveness
The CWSRF targets critical green infrastructure, energy efficiency improvements, and other environmentally innovative projects.
Impact Fee offset
Impact fees paid by Developers offset rates by $16.5 million 7 The City’s residential sewer rates remain among the
lowest in San Mateo County 10.7155.00 16.25 20.8369.9294.58 104.58 86.36 59.22 37.61 112.00 126.00 127.60 54.66 65.71 133.49 98.07 159.92 160.42 137.48182.08 359.25 42.84 44.53 40.00 21.59 49.55 71.4074.65 64.4537.15 34.37 53.55 55.00 60.78 60.83 69.92 94.58 104.58 107.95 108.77 109.01 112.00 126.00 127.60 129.31 130.16 133.49 135.22 159.92 160.42 171.85 182.08 $0
$50
$100
$150
$200
$250
Sewer Usage Charges
Fixed or Minimum Charges
Single Family Residential Monthly Sewer Rates
Based on flat rate or 5 hcf of monthly winter water use Bartle Wells May 2026
8 9
Loadings of Pollutants to the
Bay from Sewage treatment
Plants vs Population
0 50
100
150
200
250
1955 1965 1975 1985 1995 2005 2015
Pounds of
Pollutants
Bay Area
Population
Trend
10