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