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AMWA members serve approximately 156 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 State
Akron Public Utilities Bureau Akron, OH
Albuquerque Public Works Department Albuquerque, NM
Alderwood Water & Wastewater District Lynnwood, WA
Anaheim Public Utilities Anaheim, CA
Anchorage Water & Wastewater Utility Anchorage, AK
Ann Arbor Water Utilities Ann Arbor, MI
Anne Arundel County DPW Annapolis, MD
Atlanta Department of Watershed Management Atlanta, GA
Augusta Utilities Department Fort Gordon, GA
Aurora Utilities Department Aurora, CO
Austin Water Austin, TX
Baltimore City DPW Baltimore, MD
Beaufort-Jasper Water & Sewer Authority Okatie, SC
Beaver Water District Lowell, AR
Bellevue Utilities Department Bellevue, WA
Benton Washington Regional Public Water Authority Rogers, AR
Birmingham Water Works Birmingham, AL
Boca Raton Utility Services Boca Raton, FL
Boston Water & Sewer Commission Boston, MA
Bristol County Water Authority Warren, RI
Calgary, City of Calgary, AB
Capital Region Water Harrisburg, PA
Cascade Water Alliance Bellevue, WA
Central Arizona Project Phoenix, AZ
Central Arkansas Water Little Rock, AR
Champlain Water District South Burlington, VT
Charleston Water System Charleston, SC
Charlotte Water Charlotte, NC
Chesapeake Utilities Chesapeake, VA
Chesterfield County Utilities Department Chesterfield, VA
Chicago Department of Water Chicago, IL
Clayton County Water Authority Morrow, GA
Cleveland Division of Water Newburgh Heights, OH
Coachella Valley Water District Coachella, CA
Cobb County-Marietta Water Authority Marietta, GA
Colorado Springs Utilities Colorado Springs, CO
Columbus Public Utilities Columbus, OH
Columbus Water Works Columbus, GA
Concord Water Resources Department Concord, NC
Contra Costa Water District Concord, CA
Dallas Water Utilities Dallas, TX
Dayton Department of Water Dayton, OH
DC Water Washington, DC
DeKalb County Watershed Management Stone Mountain, GA
Denver Water Denver, CO
Des Moines Water Works Des Moines, IA
Detroit Water & Sewerage Dept. Detroit, MI
DuPage Water Commission Elmhurst, IL
Durham Department of Water Management Durham, NC
East Bay Municipal Utility District Oakland, CA
El Paso Water Utilities El Paso, TX
Erie County Water Authority Tonawanda, NY
Erie Water Works Erie, PA
Eugene Water & Electric Board Eugene, OR
Evansville Water and Sewer Utility Evansville, IN
Fairfax Water Fairfax, VA
Fargo Water Filtration Fargo, ND
Fayetteville Public Works Commission Fayetteville, NC
Florida Keys Aqueduct Authority Tavernier, FL
Fort Collins Utilities Fort Collins, CO
Fort Wayne City Utilities Fort Wayne, IN
Fort Worth Water Department Fort Worth, TX
Garland Water & Wastewater Garland, TX
Glendale Water and Power Glendale, CA
Glendale Water Services Department Glendale, AZ
Grand Strand Water & Sewer Authority Conway, SC
Great Lakes Water Authority Detroit, MI
Greater Cincinnati Water Works Cincinnati, OH
Greeley Water Utilities Greeley, CO
Green Bay Water Utility Green Bay, WI
Greenville Utilities Commission Greenville, NC
Greenville Water System Greenville, SC
Gulf Coast Water Authority Texas City, TX
Hartford Metropolitan District Hartford, CT
Henderson Utility Services Henderson, NV
Hillsboro Water Hillsboro, OR
Hillsborough County Public Utilities Tampa, FL
Hollywood Public Utilities Hollywood, FL
Honolulu Board of Water Supply Honolulu, HI
Houston Public Works Houston, TX
Howard County DPW Ellicott City, MD
Irving Water Utilities Department Irving, TX
Kalamazoo Public Services Kalamazoo, MI
Kansas City Board of Public Utilities Kansas City, KS
KC Water Kansas City, MO
Knoxville Utilities Board Knoxville, TN
Lafayette Utilities System Lafayette, LA
Lakehaven Water and Sewer District Federal Way, WA
Lansing Board of Water & Power Lansing, MI
Las Vegas Valley Water District Las Vegas, NV
Los Angeles Department of Water & Power Los Angeles, CA
Loudoun Water Ashburn, VA
Louisville Water Company Louisville, KY
Lubbock Water Utilities Lubbock, TX
Macon Water Authority Macon, GA
Madison Water Utility Madison, WI
Marin Municipal Water District Corte Madera, CA
Massachusetts Water Resources Authority Boston, MA
Mesa Water Resources Mesa, AZ
Metropolitan Water District of Southern California Los Angeles, CA
Miami-Dade Water & Sewer Department Miami, FL
Milwaukee Water Works Milwaukee, WI
Minneapolis Water Treatment & Distribution Services Minneapolis, MN
Mobile Area Water & Sewer Service Mobile, AL
Mohawk Valley Water Authority Utica, NY
Monroe County Water Authority Rochester, NY
Montgomery County Environmental Services Department Kettering, OH
Montgomery Water Works & Sanitary Sewer Board Montgomery, AL
Morgantown Utility Board Morgantown, WV
Municipal Water District of Orange County Fountain Valley, CA
Nashville Metro Water Services Nashville, TN
New Orleans Sewerage & Water Board New Orleans, LA
New York City Department of Environmental Protection Flushing, NY
Newport News Waterworks Newport News, VA
Norfolk Department of Utilities Norfolk, VA
North Las Vegas Utilities Department North Las Vegas, NV
Northern Kentucky Water District Erlanger, KY
OCWA-Central NY's Water Authority Syracuse, NY
Oklahoma City Utilities Oklahoma City, OK
Orange County Utilities Orlando, FL
Orange County Water District Fountain Valley, CA
Orange Water & Sewer Authority Carrboro, NC
Passaic Valley Water Commission Clifton, NJ
Pawtucket Water Supply Board Pawtucket, RI
Peace River/Manasota Regional Water Supply Authority Arcadia, FL
Peoria Water Services Peoria, AZ
Philadelphia Water Department Philadelphia, PA
Phoenix Water Services Phoenix, AZ
Pinellas County Utilities Clearwater, FL
Pittsburgh Water & Sewer Authority Pittsburgh, PA
Portland Water Bureau Portland, OR
Portland Water District Portland, ME
Portsmouth Department of Public Utilities Portsmouth, VA
Prince William County Service Authority Woodbridge, VA
Providence Water Supply Board Providence, RI
Pueblo Board of Water Works Pueblo, CO
Puerto Rico Aqueduct & Sewer Authority Ponce, PR
Raleigh Water Raleigh, NC
Richmond Department of Public Utilities Richmond, VA
Riverside Public Utilities Riverside, CA
Rochester Public Utilities Rochester, MN
Sacramento Department of Utilities Sacremento, CA
Saginaw Water Treatment Plant Saginaw, MI
Saint Paul Regional Water Services St Paul, MN
Salt Lake City Public Utilities Department Salt Lake City, UT
San Antonio Water System San Antonio, TX
San Diego County Water Authority San Diego, CA
San Diego Public Utilities San Diego, CA
San Francisco Public Utility Commission San Francisco, CA
Santa Cruz Water Department Santa Cruz, CA
Santa Margarita Water District Rancho Santa Margarita, CA
Santa Rosa Utilities Department Santa Rosa, CA
Sarasota County Public Utilities Sarasota, FL
Scottsdale Water Scottsdale, AZ
Seattle Public Utilities Seattle, WA
South Central Connecticut Regional Water Authority New Haven, CT
Southeast Morris County Municipal Utilities Authority Cedar Knolls, NJ
Spartanburg Water System Spartanburg, SC
Springfield Water & Sewer Commission Agawam, MA
St. Louis Water Division St Louis, MO
Suffolk County Water Authority Oakdale, NY
Suffolk Department of Public Utilities Suffolk, VA
Tacoma Water Tacoma, WA
Tampa Bay Water Clearwater, FL
Tampa Water Department Tampa, FL
Tempe Public Works Tempe, AZ
Toho Water Authority Kissimmee, FL
Topeka Water Division Topeka, KS
Trinity River Authority of Texas Arlington, TX
Tualatin Valley Water District Beaverton, OR
Tucson Water Department Tucson, AZ
Tulsa Public Works Department Tulsa, OK
Tuscaloosa Water Tuscaloosa, AL
Vallejo Public Works Vallejo, CA
Valley Water San Jose, CA
Ventura Water Ventura, CA
Virginia Beach Public Utilities Department Virginia Beach, VA
Washington Aqueduct Washington, DC
WaterOne Lenexa, KS
West Basin Municipal Water District Carson, CA
Western Virginia Water Authority Roanoke, VA
Wilmington Department of Public Works Wilmington, DE
WSSC Water Laurel, MD