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Orange County Water Supply Sources

Source of Water Supplies in Fiscal Year 2017/18

AgencyImported Water UseLocal Water UseRecycled Water
Anaheim46.04%*53.88%.09%
Brea20.27%79.73%0%
Buena Park27.88%*72.12%0%
East Orange CWD RZ71.48%*28.52%0%
El Toro WD85.43%.63%13.95%
Fountain Valley36.75%*48.18%15.07%
Fullerton34.18%*65.82%0%
Garden Grove36.77%*63.23%0%
Golden State WC55.83%*44.17%0%
Huntington Beach57.86%*42.14%0%
Irvine Ranch WD33.02%*38.94%28.03%
La Habra1.27%98.73%0%
La Palma.03%99.97%0%
Laguna Beach CWD77.33%*22.67%0%
Mesa Water32.98%*62.68%4.33%
Moulton Niguel WD78.96%.44%20.59%
Newport Beach42.8%*53.38%3.81%
Orange32.11%*67.89%0%
Orange County WD (Groundwater Sources)26.76%29.61%43.63%
San Clemente80.83%6.33%12.84%
San Juan Capistrano67.20%29.81%2.99%
Santa Ana38.68%*60.42%.90%
Santa Margarita WD75.32%.47%24.22%
Seal Beach50.98%*49.02%0%
Serrano WD31.69%68.31%0%
South Coast WD76.12%10.54%13.34%
Trabuco Canyon WD89.57%.71%9.73%
Tustin47.13%*52.87%0%
Westminster35.83%*64.17%0%
Yorba Linda WD43.77%*56.23%0%
Orange County46.14%*45.47%8.39%

*Participated in a special groundwater storage program

Overview of Orange County
Water Supply Sources

yourwater-watersupply-orangecounty

Water supplies in Orange County come from both local and imported sources. Local supplies in Orange County vary regionally and include groundwater, recycled wastewater, and surface water.