Groundwater Replenishment System (GWRS)
Fountain Valley, California · United States
Orange County's Groundwater Replenishment System treats wastewater to potable standards and recharges it into the Orange County groundwater basin, providing a sustainable local water supply and serving as a seawater intrusion barrier for the region.
- Design Capacity
- 130 MGD
- Status
- Operation
- Client / Offtaker
- Orange County Water District
- Technology
- Advanced water reuse: microfiltration, reverse osmosis, UV/advanced oxidation (hydrogen peroxide)
- Country
- United States
- Region
- Fountain Valley, California
- Last Verified
- 2024
Why This Project Matters
The GWRS is a pioneering advanced water reuse facility that integrates membrane filtration, reverse osmosis, and UV/advanced oxidation with groundwater management. It reduces dependence on imported water, protects against seawater intrusion, and demonstrates how potable water reuse can provide a sustainable local supply for coastal communities.
Timeline
-
Final expansion operational
The GWRS final expansion began operation in December 2022, increasing design capacity from 100 MGD to 130 MGD.
Verification & Sources
EngiMetric tracks project facts against public sources only. Every value above (capacity, value, parties, status, dates) is cited. Content last verified on 2024.