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