The Orange County Water District (OCWD) is a California special district that manages the groundwater basin beneath central and northern Orange County, California. The groundwater basin provides a water supply to 19 municipal water agencies and special districts that serve more than 2.4 million Orange County residents. The Orange County Water District's service area covers approximately 350 square miles and the District owns approximately 1,600 acres in and near the Santa Ana River, which it uses to capture water flows for groundwater recharge. Additionally, OCWD owns approximately 2,150 acres of land above the Prado Dam in the Prado Reservoir and uses that land for water conservation, water storage and water quality improvements. OCWD's administrative offices and the Groundwater Replenish