1) CENTRAL ARIZONA IRRIGATION & DRAINAGE DISTRICT

2) COLORADO RIVER DISTRICT

3) DESCHUTES BASIN BOARD OF CONTROL

4) EAGLE RIVER WATER & SANITATION DISTRICT

5) EL DORADO COUNTY WATER AGENCY

6) FAMILY FARM ALLIANCE

7) GLENN-COLUSA IRRIGATION DISTRICT-CA

8) IDAHO WATER RESOURCE BOARD

9) IDAHO WATER USERS ASSOCIATION

10) KINGS RIVER WATER ASSN/KINGS RIVER CONSERVATION

11) MARICOPA STANFIELD IRRIGATION & DRAINAGE DISTRICT

12) MODESTO IRRIGATION DISTRICT

13) NORTH UNIT IRRIGATION DISTRICT

14) NORTHERN CALIFORNIA WATER ASSOCIATION

15) OREGON WATER RESOURCES CONGRESS

16) SAN JUAN WATER DISTRICT

17) SCEYE, INC.

18) SOLANO IRRIGATION DISTRICT

19) SUTTER MUTUAL WATER COMPANY AND RECLAMATION DISTRICT 1500

20) THE ORLAND UNIT WATER USERS ASSOCIATION

21) TOWN OF CHERAW, SC

22) TURLOCK IRRIGATION DISTRICT

23) YAKIMA BASIN JOINT BOARD

24) YUMA COUNTY AGRICULTURE WATER COALITION