AMWA members serve approximately 130 million people from Anchorage, Alaska to San Juan, Puerto Rico and nearly every large city in between. Drinking water systems serving 100,000 people or more qualify as members, and systems serving fewer qualify as affiliate members.

Member Namesort ascending State
WSSC Water Maryland - Laurel
Wilmington Department of Public Works Delaware - Wilmington
Western Virginia Water Authority Virginia - Roanoke
West Basin Municipal Water District California - Carson
WaterOne Kansas - Lenexa
Washington Aqueduct District of Columbia - Washington
Virginia Beach Public Utilities Department Virginia - Virginia Beach
Ventura Water California - Ventura
Valley Water California - San Jose
Vallejo Public Works California - Vallejo
Tuscaloosa Water Alabama - Tuscaloosa
Tulsa Public Works Department Oklahoma - Tulsa
Tucson Water Department Arizona - Tucson
Tualatin Valley Water District Oregon - Beaverton
Trinity River Authority of Texas Texas - Arlington
Topeka Water Division Kansas - Topeka
Toho Water Authority Florida - Kissimmee
Tempe Public Works Arizona - Tempe
Tampa Water Department Florida - Tampa
Tampa Bay Water Florida - Clearwater
Tacoma Water Washington - Tacoma
Suffolk Department of Public Utilities Virginia - Suffolk
Suffolk County Water Authority New York - Oakdale
St. Louis Water Division Missouri - St Louis
Springfield Water & Sewer Commission Massachusetts - Agawam
Spartanburg Water System South Carolina - Spartanburg
Southeast Morris County Municipal Utilities Authority New Jersey - Cedar Knolls
South Central Connecticut Regional Water Authority Connecticut - New Haven
Sonoma County Water Agency California - Santa Rosa
Seattle Public Utilities Washington - Seattle
Scottsdale Water Arizona - Scottsdale
Sarasota County Public Utilities Florida - Sarasota
Santa Rosa Utilities Department California - Santa Rosa
Santa Margarita Water District California - Rancho Santa Margarita
Santa Cruz Water Department California - Santa Cruz
San Francisco Public Utility Commission California - San Francisco
San Diego Public Utilities California - San Diego
San Diego County Water Authority California - San Diego
San Antonio Water System Texas - San Antonio
Salt Lake City Public Utilities Department Utah - Salt Lake City
Saint Paul Regional Water Services Minnesota - St Paul
Saginaw Water Treatment Plant Michigan - Saginaw
Sacramento Department of Utilities California - Sacremento
Roseville Environmental Utilities California - Roseville
Rochester Public Utilities Minnesota - Rochester
Riverside Public Utilities California - Riverside
Richmond Department of Public Utilities Virginia - Richmond
Raleigh Water North Carolina - Raleigh
Puerto Rico Aqueduct & Sewer Authority Puerto Rico - Ponce
Pueblo Board of Water Works Colorado - Pueblo
Providence Water Supply Board Rhode Island - Providence
Prince William County Service Authority Virginia - Woodbridge
Portsmouth Department of Public Utilities Virginia - Portsmouth
Portland Water District Maine - Portland
Portland Water Bureau Oregon - Portland
Pittsburgh Water & Sewer Authority Pennsylvania - Pittsburgh
Pinellas County Utilities Florida - Clearwater
Phoenix Water Services Arizona - Phoenix
Philadelphia Water Department Pennsylvania - Philadelphia
Peoria Water Arizona - Peoria
Peace River/Manasota Regional Water Supply Authority Florida - Arcadia
Pawtucket Water Supply Board Rhode Island - Pawtucket
Passaic Valley Water Commission New Jersey - Clifton
Pasadena Water and Power California - Pasadena
Orlando Utilities Commission Florida - Orlando
Orange Water & Sewer Authority North Carolina - Carrboro
Orange County Water District California - Fountain Valley
Orange County Utilities Florida - Orlando
Oklahoma City Utilities Oklahoma - Oklahoma City
OCWA-Central NY's Water Authority New York - Syracuse
Northern Kentucky Water District Kentucky - Erlanger
North Las Vegas Utilities Department Nevada - North Las Vegas
Norfolk Department of Utilities Virginia - Norfolk
Newport News Waterworks Virginia - Newport News
New York City Department of Environmental Protection New York - Flushing
New Orleans Sewerage & Water Board Louisiana - New Orleans
Nashville Metro Water Services Tennessee - Nashville
Municipal Water District of Orange County California - Fountain Valley
Morgantown Utility Board West Virginia - Morgantown
Montgomery Water Works & Sanitary Sewer Board Alabama - Montgomery
Montgomery County Environmental Services Department Ohio - Kettering
Monroe County Water Authority New York - Rochester
Mohawk Valley Water Authority New York - Utica
Mobile Area Water & Sewer Service Alabama - Mobile
Minneapolis Water Works Minnesota - Minneapolis
Milwaukee Water Works Wisconsin - Milwaukee
Miami-Dade Water & Sewer Department Florida - Miami
Metropolitan Water District of Southern California California - Los Angeles
Mesa Water Resources Arizona - Mesa
Massachusetts Water Resources Authority Massachusetts - Boston
Marin Municipal Water District California - Corte Madera
Manchester Water Works New Hampshire - Manchester
Madison Water Utility Wisconsin - Madison
Macon Water Authority Georgia - Macon
Lubbock Water Utilities Texas - Lubbock
Louisville Water Company Kentucky - Louisville
Loudoun Water Virginia - Ashburn
Los Angeles Department of Water & Power California - Los Angeles
Las Vegas Valley Water District Nevada - Las Vegas
Lansing Board of Water & Power Michigan - Lansing
Lakehaven Water and Sewer District Washington - Federal Way
Lafayette Utilities System Louisiana - Lafayette
Knoxville Utilities Board Tennessee - Knoxville
KC Water Missouri - Kansas City
Kansas City Board of Public Utilities Kansas - Kansas City
Kalamazoo Public Services Michigan - Kalamazoo
Irving Water Utilities Department Texas - Irving
Howard County DPW Maryland - Ellicott City
Houston Public Works Texas - Houston
Honolulu Board of Water Supply Hawaii - Honolulu
Hollywood Public Utilities Florida - Hollywood
Hillsborough County Public Utilities Florida - Tampa
Hillsboro Water Oregon - Hillsboro
Henrico County Public Utilities Virginia - Henrico
Henderson Utility Services Nevada - Henderson
Hartford Metropolitan District Connecticut - Hartford
Greenville Water System South Carolina - Greenville
Greenville Utilities Commission North Carolina - Greenville
Green Bay Water Utility Wisconsin - Green Bay
Greeley Water Utilities Colorado - Greeley
Greater Cincinnati Water Works Ohio - Cincinnati
Great Lakes Water Authority Michigan - Detroit
Grand Strand Water & Sewer Authority South Carolina - CONWAY
Glendale Water Services Department Arizona - Glendale
Glendale Water and Power California - Glendale
Garland Water & Wastewater Texas - Garland
Fort Worth Water Department Texas - Fort Worth
Fort Wayne City Utilities Indiana - Fort Wayne
Fort Collins Utilities Colorado - Fort Collins
Florida Keys Aqueduct Authority Florida - Tavernier
Fayetteville Public Works Commission North Carolina - Fayetteville
Fargo Water Filtration North Dakota - Fargo
Fairfax Water Virginia - Fairfax
Everett Public Works Department Washington - Everett
Eugene Water & Electric Board Oregon - Eugene
Erie Water Works Pennsylvania - Erie
Erie County Water Authority New York - Tonawanda
El Paso Water Utilities Texas - El Paso
East Bay Municipal Utility District California - Oakland
Durham Department of Water Management North Carolina - Durham
DuPage Water Commission Illinois - Elmhurst
Detroit Water & Sewerage Dept. Michigan - Detroit
Des Moines Water Works Iowa - Des Moines
Denver Water Colorado - Denver
DeKalb County Watershed Management Georgia - Stone Mountain
DC Water District of Columbia - Washington
Dayton Department of Water Ohio - Dayton
Dallas Water Utilities Texas - Dallas
Corpus Christi Water Utilities Texas - Corpus Christi
Contra Costa Water District California - Concord
Concord Water Resources Department North Carolina - Concord
Columbus Water Works Georgia - Columbus
Columbus Public Utilities Ohio - Columbus
Colorado Springs Utilities Colorado - Colorado Springs
Cobb County-Marietta Water Authority Georgia - Marietta
Coachella Valley Water District California - Coachella
Cleveland Division of Water Ohio - Newburgh Heights
Clayton County Water Authority Georgia - Morrow
Chicago Department of Water Illinois - Chicago
Chesterfield County Utilities Department Virginia - Chesterfield
Chesapeake Utilities Virginia - Chesapeake
Charlotte Water North Carolina - Charlotte
Charleston Water System South Carolina - Charleston
Champlain Water District Vermont - South Burlington
Central Arkansas Water Arkansas - Little Rock
Central Arizona Project Arizona - Phoenix
Cascade Water Alliance Washington - Bellevue
Capital Region Water Pennsylvania - Harrisburg
Calgary, City of Alberta - Calgary
Bristol County Water Authority Rhode Island - Warren
Boston Water & Sewer Commission Massachusetts - Roxbury
Boca Raton Utility Services Florida - Boca Raton
Birmingham Water Works Alabama - Birmingham
Benton Washington Regional Public Water Authority Arkansas - Rogers
Bellevue Utilities Department Washington - Bellevue
Beaver Water District Arkansas - Lowell
Beaufort-Jasper Water & Sewer Authority South Carolina - Okatie
Baltimore City DPW Maryland - Baltimore
Austin Water Texas - Austin
Aurora Utilities Department Colorado - Aurora
Augusta Utilities Department Georgia - Fort Gordon
Atlanta Department of Watershed Management Georgia - Atlanta
Anne Arundel County DPW Maryland - Annapolis
Ann Arbor Water Utilities Michigan - Ann Arbor
Anchorage Water & Wastewater Utility Alaska - Anchorage
Anaheim Public Utilities California - Anaheim
Alderwood Water & Wastewater District Washington - Lynnwood
Albuquerque Public Works Department New Mexico - Albuquerque
Akron Public Utilities Bureau Ohio - Akron