Orange County Water Supply Sources

Source of Water Supplies in Fiscal Year 2021/22

Agency Imported Water Use Local Water Use Recycled Water
Anaheim 70.95% 28.92% 0.13%
Brea 2.49% 97.51% 0.00%
Buena Park 12.52% 87.48% 0.00%
East Orange CWD RZ 100.00% 0.00% 0.00%
El Toro WD 81.56% 0.00% 18.44%
Fountain Valley 0.00% 85.35% 14.65%
Fullerton 25.28% 74.72% 0.00%
Garden Grove 23.96% 76.04% 0.00%
Golden State WC 36.91% 62.21% 0.88%
Huntington Beach 18.50% 81.50% 0.00%
Irvine Ranch WD 20.30% 51.17% 28.53%
La Habra 6.55% 93.45% 0.00%
La Palma 6.56% 93.44% 0.00%
Laguna Beach CWD 100.00% 0.00% 0.00%
Mesa Water 0.02% 94.12% 5.86%
Moulton Niguel WD 78.15% 0.00% 21.85%
Newport Beach 25.48% 70.70% 3.81%
Orange 45.10% 54.90% 0.00%
Orange County WD (Groundwater Sources) 19.62% 1.34% 79.04%
San Clemente 84.98% 0.00% 15.02%
San Juan Capistrano 67.66% 23.45% 8.89%
Santa Ana 22.94% 76.04% 1.01%
Santa Margarita WD 74.66% 0.00% 25.34%
Seal Beach 18.14% 81.86% 0.00%
Serrano WD 0.00% 100.00% 0.00%
South Coast WD 73.30% 11.74% 14.97%
Trabuco Canyon WD 80.39% 0.00% 19.61%
Tustin 44.54% 55.46% 0.00%
Westminster 0.01% 99.99% 0.00%
Yorba Linda WD 64.28% 35.72% 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.