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PUC outlines recycled-water plans for Pacifica, Harding Park and Westside projects with 2013 target for full Westside buildout
Summary
Staff presented plans for Pacifica (Claret Creek tertiary effluent to Sharp Park with Prop 50 grants), a Daly City/Harding Park partnership using excess capacity, and a Westside Basin proposal sized to deliver an average 2 million gpd (5 million gpd peak); environmental permits, grants and public outreach were discussed, with project delivery targeted by 2013.
San Francisco Public Utilities Commission staff on March 11 laid out multi-project plans to expand recycled-water use in and around San Francisco.
Staff described three principal efforts:
- Pacifica project: the city would take tertiary-treated effluent from Pacifica's Claret Creek plant and deliver it to Sharp Park (the Sharp Park golf course would receive an estimated 78% of the volume). Environmental review has been completed and the project has received state Prop 50 grants totaling about $2.05 million ($1.3M Chapter 7, $750k Chapter 8). Staff also noted a pending $2.5M Title XVI request to the Bureau of Reclamation (authorization then appropriation required), which is not guaranteed.
- Harding Park/Daly City partnership: San Francisco proposed to use excess capacity at a Daly City recycled-water plant (to which SF contributed $1 million previously) to serve lake and golf-course customers via a pipeline and underground storage tank at Lake Merced maintenance yard.
- Westside Basin: a Westside recycled-water system fed from the Oceanside plant with transmission across the city and proposed reservoirs (Golden Gate Park and possibly Lincoln Park) sized to meet average demand (about 2,000,000 gallons per day) and summer peaks (around 5,000,000 gpd). Staff presented alignments and said they would engage public dialogue about siting and neighborhood impacts; they targeted design in January of the next year and a construction completion no later than 2013.
Staff emphasized separate distribution systems for recycled water (no cross connections to potable system) and noted outreach and public-health considerations would be central to future public meetings.
What happens next: staff will start public engagement on alignments and siting, proceed with permitting, pursue remaining grant funding and return with project updates as the environmental and permitting steps progress.
