Agricultural Industries, Inc., West Sacramento, California

Bay Area Water Supply and Conservation Agency

Balance Hydrologics

Beijing Hydraulic Research Institute, Beijing, China

CALFED Bay-Delta Program

California Department of Justice, Office of the Attorney General

California Department of Water Resources

California Energy Commission

California Water Service Company, San Jose, California

Camp Dresser & McKee, Inc., Sacramento, California

City of Ione, California

City of Lathrop, California

City of San Bruno, California

City of San Francisco, California

Cordua Irrigation District, Marysville, California

County of San Mateo, California

Daly City, California

Friends of Lake Merced, Daly City, California

Frontier Fertilizer Superfund Oversight Group, Davis, California

Grasslands Drainers

Ironhouse Sanitary District, Oakley, California

Irvine Ranch Water District, Irvine, California

Los Osos Sustainability Group, Los Osos, California

Metropolitan Water District of Southern California, Los Angeles, California

Morgan, Lewis & Bockius LLP, Houston, Texas

Natural Heritage Institute, San Francisco, California

Natural Resources Defense Council

Nebraska Department of Water Resources

Nevada Irrigation District, Grass Valley, California

Northwest Hydraulic Consultants, Inc., West Sacramento, California

Philip Williams and Associates

Port of Stockton, Stockton, California

Raychem Corporation, Menlo Park, California

Reclamation District 1601, Rio Vista, California

Regional Water Quality Control Board

Sacramento County, California

San Joaquin River Exchange Contractors Water Authority, California

TetraTech, Inc., Santa Maria, California

The Nature Conservancy

URS Corportation, Oakland, California

U.S. Bureau of Reclamation

U.S. Fish and Wildlife Service

U.S. Geological Survey

University of California, Davis, Davis, California

West Yost and Associates, Davis, California