Orange County Water Supply Sources

Source of Water Supplies in Fiscal Year 2020/21

Agency Imported Water Use Local Water Use Recycled Water
Anaheim 72.90% 26.98% 0.13%
Brea 0.34% 99.66% 0.00%
Buena Park 11.09% 88.91% 0.00%
East Orange CWD RZ 80.66% 2.10% 17.24%
El Toro WD 100.00% 0.00% 0.00%
Fountain Valley 0.00% 85.56% 14.44%
Fullerton 28.23% 71.77% 0.00%
Garden Grove 22.96% 77.04% 0.00%
Golden State WC 30.24% 68.74% 1.02%
Huntington Beach 14.70% 85.30% 0.00%
Irvine Ranch WD 17.03% 54.71% 28.26%
La Habra 6.24% 93.76% 0.00%
La Palma 0.02% 99.98% 0.00%
Laguna Beach CWD 84.71% 15.29% 0.00%
Mesa Water 0.38% 93.50% 6.13%
Moulton Niguel WD 76.95% 1.54% 21.51%
Newport Beach 4.35% 91.99% 3.66%
Orange 24.15% 75.85% 0.00%
Orange County WD (Groundwater Sources) 0.00% 1.60% 98.40%
San Clemente 84.82% 0.00% 15.18%
San Juan Capistrano 70.13% 21.39% 8.48%
Santa Ana 22.65% 76.39% 0.97%
Santa Margarita WD 74.38% 1.47% 24.15%
Seal Beach 32.01% 67.99% 0.00%
Serrano WD 0.00% 100% 0.00%
South Coast WD 73.21% 12.89% 13.90%
Trabuco Canyon WD 70.69% 8.96% 20.34%
Tustin 20.11% 79.89% 0.00%
Westminster 0.00% 100.00% 0.00%
Yorba Linda WD 47.52% 52.48% 0.00%
Orange County 35.51% 55.23% 9.26%

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.