ACWA Regions

In 1993, the ACWA Board approved Vision 2000 which instituted a regional structure to ACWA's membership. The Region structure is designed to invigorate ACWA members at a grassroots level and is based upon number of agencies, geography and the interests/challenges of each region.

Role of the Regions

  • Support ACWA's goals
  • Provide governance and bring members together and represent regional views
  • Elect a chair a vice chair to the ACWA Board
  • Activate grassroots organizational support for issues through outreach and communication
  • Hold membership meetings
  • Educate ACWA's membership through events and tours
  • Assist with member recruitment/retention
  • Leadership

Region Resources

Region Specific Pages

Please note: To access region specific pages, you must be logged in to the acwa.com Web site

Region 1

Region 1 is comprised of nine counties including the counties of Del Norte, Humboldt, Lake, Marin, Mendocino, Napa, Siskiyou, Sonoma and Trinity.  Approximately 29 water, utility, irrigation and services districts and cities are members of Region 1. This area is roughly 25,814 square miles in size and has a population of over 1.4 million.

Region 2

Region 2 is comprised of seven counties including the counties of Butte, Colusa, Glenn, Shasta, Sutter, Tehama and Yuba.  Approximately 45 water, utility, irrigation, levee, sewer and reclamation districts are members of Region 2. This area is roughly 8,362 square miles in size has a population of about 501,700.

Region 3

Region 3 is comprised of 14 counties including the counties of Alpine, Amador, Calaveras, El Dorado, Inyo, Lassen, Mariposa, Modoc, Mono, Nevada, Placer, Plumas, Sierra and Tuolumne. Approximately 30 water, utility, irrigation, sanitation and services districts and cities are members of Region 3. This area is roughly 36,229 square miles in size and has a population of almost 875,000.

Region 4

Region 4 is comprised of five counties which include Yolo, Solano, Sacramento, San Joaquin and Stanislaus counties.  Approximately 46 irrigation districts, utilities and cities are members of this region.  This area is approximately 4, 357 square miles and is the epicenter of the Delta conveyance and delivery for the entire State.

Region 5

Region 5 is comprised of ten counties including the counties of Alameda, Contra Costa, Monterey, San Benito, San Luis Obispo, San Francisco, San Mateo, Santa Barbara, Santa Clara and Santa Cruz. Approximately 45 water, flood control, services, utility, irrigation, reclamation and sanitation districts and cities are members of Region 5. This area is roughly 14,793 square miles in size and has a population of over 7 million.

Region 6

Region 6 is comprised of four counties which include Merced, Madera, Fresno and Kings.  Approximately 51 irrigation, conservation and reclamation districts are members of this region.  This area is approximately 11, 589 square miles and houses the City of Mendota, in Madera County also known as “ground zero” for the loss of jobs due to lack of water deliveries.

 

Region 7

Region 7 is comprised of Tulare and Kern counties.  Approximately, 57 municipal, irrigation and conservation districts are members of this region.  This area is approximately 13,014 square miles and is the second leading producer of Agricultural commodities in the U.S.

 

 

Region 8

Region 8 is comprised of Ventura and Los Angeles counties and approximately 50 public water agencies make up the region’s membership.  The region spans roughly 6,000 square miles and a population of over 11.1 million.

 

Region 9

Region 9 is comprised of San Bernardino, Riverside and Imperial counties and approximately 49 pubic water agencies make up the region’s membership.  The region spans roughly 32,000 square miles and is home to a population of just over 4.2 million.

 

Region 10

Region 10 is comprised of Orange and San Diego counties and approximately 39 public water agencies make up the region’s membership.  The region spans roughly 5,000 square miles and is home to a population of just over 6.2 million.