1) BORREGO WATER DISTRICT

2) CALIFORNIA DEPARTMENT OF WATER RESOURCES

3) CITY OF LAKE FOREST

4) COACHELLA VALLEY WATER DISTRICT

5) COUNTY OF SAN DIEGO

6) LAS VIRGENES-TRIUNFO JOINT POWERS AUTHORITY

7) LOS ANGELES COUNTY SANITATION DISTRICT

8) OCEANWELL CO. (FKA NATURAL OCEAN WELL WATER)

9) RECLAMATION DISTRICT 1500 (FKA SUTTER MUTUAL WATER COMPANY)

10) RIO HONDO-SAN GABRIEL RIVER WATERSHED GROUP JOINT POWER AUTHORITY

11) SANTA MARGARITA WATER DISTRICT

12) UPPER SAN GABRIEL VALLEY MUNICIPAL WATER DISTRICT