City project
Secondary Treatment Upgrades project
Secondary Treatment Upgrades project.
- Current status
- Staff described the upgrades as supported by a $192 million state revolving fund loan at 0.8% interest.
- Location
- Regional Water Quality Control Plant, Palo Alto, CA
August 19, 2026: Capital-program update
The City reported a $397 million investment. The plant continues to treat 20 million gallons of sewage per day while upgrades proceed.
Read related coverageJune 8, 2026 funding-eligibility update
Staff said maintaining a current Urban Water Management Plan is important to continued eligibility for state grants and loans supporting the upgrades.
Read related coverageFY26-Q1 quarterly report update
The FY26-Q1 quarterly report listed $193 million for the project.
Read related coverageMarch 5, 2025 update
Staff reported that the upgrade is debt-financed at 0.8% through an SRF loan and is intended to put the facility ahead of future nutrient-reduction requirements.
Read related coverage