Orange County Water Supply Sources

Source of Water Supplies in Fiscal Year 2019/20

Agency Imported Water Use Local Water Use Recycled Water
Anaheim 42.10% 57.74% 0.16%
Brea 0.00% 100.00% 0.00%
Buena Park 20.06% 79.94% 0.00%
East Orange CWD RZ 81.94% 4.18% 13.88%
El Toro WD 99.34% 0.66% 0.00%
Fountain Valley 0.00% 88.02% 11.98%
Fullerton 21.18% 78.82% 0.00%
Garden Grove 49.83% 50.17% 0.00%
Golden State WC 20.34% 79.66% 0.00%
Huntington Beach 35.66% 64.34% 0.00%
Irvine Ranch WD 24.08% 52.75% 23.17%
La Habra 1.18% 98.82% 0.00%
La Palma 0.02% 99.98% 0.00%
Laguna Beach CWD 48.02% 51.98% 0.00%
Mesa Water 0.00% 94.19% 5.81%
Moulton Niguel WD 77.18% 3.21% 19.61%
Newport Beach 28.28% 68.03% 3.69%
Orange 18.32% 81.68% 0.00%
Orange County WD (Groundwater Sources) 15.38% 1.35% 83.27%
San Clemente 80.50% 4.87% 14.64%
San Juan Capistrano 57.66% 25.24% 17.10%
Santa Ana 22.84% 76.42% 0.74%
Santa Margarita WD 75.08% 3.09% 21.83%
Seal Beach 34.58% 65.42% 0.00%
Serrano WD 0.00% 100% 0.00%
South Coast WD 73.61% 13.76% 12.63%
Trabuco Canyon WD 63.01% 15.79% 21.20%
Tustin 3.59% 96.41% 0.00%
Westminster 23.00% 77.00% 0.00%
Yorba Linda WD 47.57% 52.43% 0.00%
Orange County 34.44% 57.43% 8.14%

Overview of Orange County
Water Supply Sources

image of orange splash

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.