Tesla Water Treatment Plant


Tracy, California


San Francisco Public Utilities Commission

Project Dates

2012 -2012

Services Provided

Contract Compliance

Audit Services

Project Cost Control



Design-Build one of the largest drinking water ultraviolet (UV) disinfection facilities in North America. Owned by the San Francisco Public Utilities Commission, the new Tesla treatment facility is capable of treating 315 MGD for the Hetch Hetchy Aqueduct Water System. The UV disinfection system provides advanced disinfection to meet the requirements of the United States Environmental Protection Agency (USEPA) Long Term 2 Enhanced Surface Water Treatment Rule. Work scope includes design, process piping, civil, mechanical, structural, and electrical and control services, and architecture building. The operations building is designed to obtain LEED® certification.

Tesla Portal Disinfection Station, which replaced the existing hypochlorite station with a new, 14,000-square-foot Chemical Process Building containing disinfection and related equipment. The purpose of this project is to have a chlorination facility that would meet current seismic safety, fire, and building code standards. This project also includes a 3,500-square-foot Office/Control Building.  Advanced Disinfection Station, a new, 20,000-square-foot building, in which Hetch Hetchy water would flow past a series of ultraviolet (UV) light arrays.