September 8, 2026
Wastewater Capital Programs Quarterly Report
Q4 Fiscal Year 2025-2026 (Apr 2026 – Jun 2026)
Bessie Tam, Wastewater Capital Programs Delivery Director, Infrastructure Presented to the San Francisco Public Utilities Commission 1 Anticipated Completion:
Fall 2026
Anticipated Completion:
Summer 2027
2 WW-730 Various Locations Sewer
Replacement No. 18
Anticipated Completion:
Summer 2028
Construction Updates
WW-767, SEP 550 Booster Pump
Station Condition Inspection & Interim
WW-645R, Westside Pump Station
Reliability Improvements
Planning
$1,691.5M
(6 Projects)
Total CIP
$9,000.6M
(127 Projects)
Completed
$788.4M
(66 Projects)
Construction
$4,676.7M
(19 Projects)
Closeout
$12.4M
(2 Projects)
Multi-Phases
$1,015.7M
(8 Projects)
Not Initiated
$154.7M
(9 Projects)
Capital Project Count By Phase*
Section 2.3 Rolling 10-Year CIP Projects by Phase
Section 2.1 Rolling 10-Year CIP Cost Performance Overview Design &
Bid and Award
$661.3M
(17 Projects)
Expended
$4,754.4
Remaining
$4,246.2
Expenditures to Date
Current Approved Budget $9,000.6M
3 *Includes SSIP Phase 1, Other SSIP and Facilities & Infrastructure Capital Project
Cost Performance Overview
Section 2.1 Rolling 10-Year CIP
Cost Performance Overview
Capital Projects Cost Summary
4 *Negative numbers reflect cost increases
Program Expenditures
to Date
($ Million)
Current
Approved
Budget
($ Million)
Forecast Cost
this Quarter
($ Million)
Cost Variance =
Current Approved
Budget - Forecast
Costs
($ Million)
Cost Variance
Over Reporting
Period ($ Million)
SSIP Phase 1 $4,183.8 $4,871.9 $4,887.4 ($15.5) $3.6
Other SSIP $324.1 $3,644.4 $3,782.3 ($137.9) $0.0
Facilities & Infrastructure
(F&I)
$246.6 $484.3 $525.4 ($41.1) $0.0
Overall Program Total $4,754.4 $9,000.6 $9,195.1 ($194.5) $3.6 R&R Project
Cost Performance Overview
Section 2.4 R&R Cost Performance Overview
5 R&R Capital Projects Cost Summary
*Negative numbers reflect cost increases
Program
Expenditures to
Date
($ Million)
Current
Approved
Budget
($ Million)
Current
Forecasted
Costs this
Quarter
($ Million)
Cost
Variance
($ Million)
Variance
Over
Reporting
Period
R&R Collection System - Small Diameter $1,020.7 $1,230.0 $1,230.0 $0.0 $0.0 R&R Collection System - Large Diameter $29.8 $98.4 $98.4 $0.0 $0.0 R&R Treatment Facilities $218.3 $270.6 $270.6 $0.0 $0.0 T/S Box Tier 2 (Field) Condition Assessment $0.3 $7.3 $7.3 $0.0 $0.0 Overall Program Total $1,269.1 $1,606.2 $1,606.2 $0.0 $0.0 6 Project Milestones
Section 1 Quarter in Review
1.1 Major Milestones Achieved
Planning Phase
1. Balboa High School Regional Runoff
Reduction Project
2. Gaseous Oxygen System (OSP 011) Upgrades
(CER)
3. Dechlorination Process (NPF 500) Evaluation &
Interim Rehab (CER)
Design Phase
4. Southeast Outfall Condition Assessment
and Rehabilitation – Contract C (95%)
Advertised or Awarded Construction Contracts
5. Yosemite Green Infrastructure
6. Lower Alemany Area Stormwater Improvement
Project
7. Solids Thickening (OSP 11) Process Upgrade
8. OSP Plant-wide Ventilation (HVAC) Upgrades
9. Geary BRT Sewer Improvement Projects – Phase 2
10. Admin Bldg. (OSP 930) Health & Safety Improvements
11. Pump Station Security Upgrades (Cesar Chavez, GFS,
CHS, MMS)
Construction Notice to Proceed
12. SEP Condition Improvement Projects – Part 1
Construction or Project Completion
13. New Headworks (Grit) Replacement Project
(Construction)
14. North Shore Wet Weather Pump
Station Improvements and Disinfection (Project)
15. Green Infrastructure Capital Planning (Project)
16. Geary Underpass PS Safe Access
Enhancements (Project)
Mainstream Nutrient Reduction Project
Project Cost: $1,470M
Progress and Status:
1. SFPUC and Progressive-Design-Builder held the
first session to establish project goals, partnering
commitments, and issue resolutions ladder to
guide project work and support successful project
outcome. More sessions will be scheduled to
continue this effort.
2. Preconstruction activities continue with
the initiation of the Alternative Analysis Report.
3. Discussions are underway regarding the potential
piloting of process technologies.
7 August 2022 Algal Bloom (NOAA/NCCOS)
Southeast Plant Biosolids Digester Facilities Project
8 Project Cost: $2,837M
Progress and Status:
1. Biosolids Digester Facilities Construction
Manager/General Contractor Contract:
a. Construction work continues with all trades
(mechanical, electrical, plumbing and
architectural), along with equipment installations
in the solids pretreatment, solids dewatering and
odor control facilities.
b. Coordination for functional testing, facility start- up, and commission are in progress.
2. Biogas Utilization Facility Design-Build Contract:
a. 100% design package was submitted, and the
installation of underground utilities and electrical
conduits has been completed.
b. Installation of rebar mat and concrete placement
for slap on grade.
Southeast Plant New Headworks Facility Project
Project Cost: $717M (Forecast: $707M)
Progress and Status:
1. Final completion has been granted for all systems
in the New Headworks Facility.
2. Contract closeout activities continue.
9 MOVING FORWARD.
Images courtesy of Engineering Archives Photography/Robin Scheswohl and Sabrina Wong sfpuc.org/ssip
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