City of San Diego Pure Water Program

As one of the most ambitious water recycling programs in the nation, the City of San Diego’s Pure Water Program seeks to treat 83 million gallons per day to produce high-quality drinking water through the design and construction of new advanced water purification, pumping, and conveyance facilities, as well as upgrades to existing facilities.

Project Facts
  • City of San Diego, Public Utilities Department
  • San Diego, California
  • EIR certified in 2016
  • 83 million gallons per day
  • One-third of San Diego’s water supply by 2035

The Challenge

San Diego County’s more than 3 million residents and countless businesses rely on importing 85% of its water supply from the Colorado River and Northern California Bay Delta. As imported water costs continue to rise, the county is increasingly vulnerable to water shortages and drought, so a project was needed to increase local control of a sustainable water supply.

The Solution

In addition to creating a drought-proof, locally-sourced replacement to imported water, the Pure Water Program will also reduce the flow of treated wastewater effluent to the Pacific Ocean. We prepared the Final Draft Program Environmental Impact Report for the Pure Water Program, which addresses the effects of facility construction and operation, as well as long-term effects associated with changes in water supply procurement. The Pure Water Program EIR was certified by the San Diego City Council in late 2016.

Your Success. Our Business.

The City of San Diego received an Outstanding Environmental Document Award for the Program EIR by the California Association of Environmental Professionals in 2017.

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