Daphne Utilities, Daphne, AL
Jefferson County Commission, Birmingham, AL
Mobile Area Water & Sewer System, Mobile, AL
Montgomery Water Works & Sanitary Sewer Board, Montgomery, AL


Anchorage Water & Wastewater Utility, Anchorage, AK


City of Mesa Water Resources, Mesa, AZ
City of Phoenix Water Services Department, Phoenix, AZ
Pima County Regional Wastewater Reclamation Department, Tucson, AZ


Little Rock Water Reclamation Authority, Little Rock, AR
Pine Bluff Wastewater Utility, Pine Bluff, AR


Central Contra Costa Sanitary District, Martinez, CA
Central Marin Sanitation Agency, San Rafael, CA
City of Fresno Department of Public Utilities, Fresno, CA
City of Hollister, Hollister, CA
City of Los Angeles - LA Sanitation, Los Angeles, CA
City of Palo Alto Regional Water Quality Control Plant, Palo Alto, CA
City of Riverside Water Reclamation Plant, Riverside, CA
City of Roseville Public Utilities, Roseville, CA
City of Sacramento, Sacramento, CA
City of San Bernardino Municipal Water Department, San Bernardino, CA
City of San Diego Public Utilities, San Diego, CA
City of Santa Barbara, Santa Barbara, CA
City of Santa Cruz Wastewater Treatment Facility, Santa Cruz, CA
City of Sunnyvale Water Pollution Control Plant, Sunnyvale, CA
City of Thousand Oaks Public Works Department, Thousand Oaks, CA
Delta Diablo, Antioch, CA
East Bay Municipal Utility District, Oakland, CA
Encina Wastewater Authority, Carlsbad, CA
Fairfield-Suisun Sewer District, Fairfield, CA
Inland Empire Utilities Agency, Chino, CA
Lake County Special Districts, Lakeport, CA
Las Virgenes Municipal Water District, Calabasas, CA
Los Angeles County Department of Public Works, Alhambra, CA
Monterey One Water, Monterey, CA
Novato Sanitary District, Novato, CA
Orange County Sanitation District, Fountain Valley, CA
Sacramento Regional County Sanitation District, Sacramento, CA
San Francisco Public Utilities Commission, San Francisco, CA
Sanitation Districts of Los Angeles County, Whittier, CA
Santa Rosa Water, Santa Rosa, CA
South Orange County Wastewater Authority, Dana Point, CA
Union Sanitary District, Union City, CA
Vallejo Flood and Wastewater District, Vallejo, CA
Victor Valley Wastewater Reclamation Authority, Victorville, CA
West County Wastewater District, Richmond, CA


Centennial Water & Sanitation District, Highlands Ranch, CO
City of Aurora, Aurora, CO
City of Fort Collins Utilities, Fort Collins, CO
City of Fort Lupton, Fort Lupton, CO
City of Greeley Water and Sewer Department, Greeley, CO
City of Pueblo Wastewater Department, Pueblo, CO
Colorado Springs Utilities Environmental Services, Colorado Springs, CO
Metro Wastewater Reclamation District, Denver, CO
Platte Canyon Water and Sanitation District, Littleton, CO
Pleasant View Water & Sanitation District, Golden, CO


Greater New Haven Water Pollution Control Authority, New Haven, CT
Joint Facility/Colchester-East Hampton, East Hampton, CT
The Metropolitan District, Hartford, CT
The Town of Greenwich, Greenwich, CT
Water Pollution Control Authority for the City of Norwalk, Norwalk, CT


City of Wilmington Department of Public Works, Wilmington, DE


DC Water, Washington, DC


City of Boca Raton Utility Services Department, Boca Raton, FL
City of Hollywood, Hollywood, FL
Emerald Coast Utilities Authority, Pensacola, FL
Marion County Utilities, Belleview, FL
Miami-Dade County Water and Sewer Department, Miami, FL
Orange County Utilities, Orlando, FL
Pasco County Utilities, Land O Lakes, FL
Toho Water Authority, Kissimmee, FL


City of Atlanta Department of Watershed Management, Atlanta, GA
City of Augusta Utilities Department, Augusta, GA
City of Cumming, Cumming, GA
Columbus Water Works, Columbus, GA
DeKalb County Department of Watershed Management, Stone Mountain, GA
DeKalb County Public Works - Roads and Drainage Division, Decatur, GA
Gwinnett County Department of Water Resources, Lawrenceville, GA
Macon Water Authority, Macon, GA


City and County of Honolulu, Honolulu, HI
Maui County, Department of Environmental Management, Wailuku, HI


City of Boise, Boise, ID
City of Garden City, ID, Garden City, ID
City of Pocatello Water Pollution Control Department, Pocatello, ID
City of Twin Falls, Twin Falls, ID


American Bottoms Regional Wastewater Treatment Facility, Sauget, IL
Bloomington & Normal Water Reclamation District, Bloomington, IL
City of Joliet, Department of Public Utilities, Joliet, IL
City of Lockport, Lockport, IL
Downers Grove Sanitary District, Downers Grove, IL
EJ Water Cooperative, Inc., Dieterich, IL
Flagg Creek Water Reclamation District, Burr Ridge, IL
Fox Metro Water Reclamation District, Oswego, IL
Fox River Water Reclamation District, South Elgin, IL
Glenbard Wastewater Authority, Glen Ellyn, IL
Greater Peoria Sanitary District, Peoria, IL
Kankakee River Metropolitan Agency, Kankakee, IL
Metropolitan Water Reclamation District of Greater Chicago, Chicago, IL
North Shore Water Reclamation District, Gurnee, IL
Rock River Water Reclamation District, Rockford, IL
Sanitary District of Decatur, Decatur, IL
Thorn Creek Basin Sanitary District, Chicago Heights, IL
Urbana & Champaign Sanitary District, Urbana, IL
Wheaton Sanitary District, Wheaton, IL
Yorkville-Bristol Sanitary District, Yorkville, IL


Citizens Energy Group, Indianapolis, IN
City of Fort Wayne, Fort Wayne, IN
City of Jeffersonville Wastewater Department, Jeffersonville, IN
City of South Bend Wastewater Treatment Plant, South Bend, IN
City of Valparaiso Elden Kuehl Pollution Control Facility, Valparaiso, IN
Gary Sanitary District, Gary, IN


City of Ames Water & Pollution Control Department, Ames, IA
City of Cedar Rapids, Utilities Department, Cedar Rapids, IA
City of Des Moines, Des Moines, IA
City of Muscatine, Muscatine, IA
Iowa Lakes Regional Water, Spencer, IA


City of Lawrence Department of Utilities, Lawrence, KS
City of Olathe, Olathe, KS
City of Wichita, Wichita, KS
Johnson County Wastewater, Olathe, KS
Unified Government of Wyandotte County, Kansas City, KS


Bowling Green Municipal Utilities, Bowling Green, KY
Caveland Environmental Authority, Cave City, KY
Louisville & Jefferson County Metropolitan Sewer District, Louisville, KY
Northern Kentucky Sanitation District No. 1, Ft Wright, KY


East Baton Rouge Sewerage Commission, Baton Rouge, LA
Sewerage & Water Board of New Orleans, New Orleans, LA


Portland Water District, Portland, ME


Anne Arundel County Department of Public Works, Millersville, MD
Baltimore City Department of Public Works, Baltimore, MD
Washington Suburban Sanitary Commission, Laurel, MD


Boston Water & Sewer Commission, Boston, MA
City of Fitchburg DPW- Wastewater Division, Fitchburg, MA
City of Worcester, Worcester, MA
Lowell Regional Wastewater Utility, Lowell, MA
Massachusetts Water Resources Authority, Boston, MA
South Essex Sewerage District, Salem, MA
Springfield Water & Sewer Commission, Springfield, MA
Upper Blackstone Water Pollution Abatement District, Millbury, MA


City of Grand Rapids Environmental Services, Grand Rapids, MI
City of Saginaw, Saginaw, MI
Detroit Water & Sewerage Department, Detroit, MI
Genesee County Division of Water and Waste Services, Flint, MI
Great Lakes Water Authority, Detroit, MI
Oakland County Water Resources Commissioner, Waterford, MI
Wayne County DPS Environmental Services Group, Detroit, MI
Ypsilanti Community Utilities Authority, Ypsilanti, MI


City of Rochester, MN Water Reclamation Plant, Rochester, MN
Metropolitan Council Environmental Services, Saint Paul, MN
Western Lake Superior Sanitary District, Duluth, MN


City of Jackson, MS, Jackson, MS


City of Liberty, Liberty, MO
City of Moberly, Moberly, MO
City of Saint Charles, Missouri, Saint Charles, MO
City of Springfield, Springfield, MO
City of St. Joseph Water Protection, Saint Joseph, MO
Hannibal Board of Public Works, Hannibal, MO
Independence Water Pollution Control Department, Independence, MO
Jefferson City Public Works Department, Jefferson City, MO
KC Water, Kansas City, MO
Little Blue Valley Sewer District, Independence, MO
Metropolitan St. Louis Sewer District, Saint Louis, MO


City of Billings, Billings, MT
City of Bozeman, Bozeman, MT


City of Omaha Public Works Department, Omaha, NE


City of Henderson, Henderson, NV
City of Las Vegas Water Pollution Control Facility, Las Vegas, NV
Clark County Water Reclamation District, Las Vegas, NV


Atlantic County Utilities Authority, Pleasantville, NJ
Bayshore Regional Sewerage Authority, Union Beach, NJ
Bergen County Utilities Authority, Little Ferry, NJ
Camden County Municipal Utilities Authority, Camden, NJ
Hanover Sewerage Authority, Whippany, NJ
Joint Meeting of Essex & Union Counties, Elizabeth, NJ
Middlesex County Utilities Authority, Sayreville, NJ
North Bergen Municipal Utilities Authority, North Bergen, NJ
Ocean County Utilities Authority, Bayville, NJ
Passaic Valley Sewerage Commission, Newark, NJ
Plainfield Area Regional Sewerage Authority, Middlesex, NJ
Rahway Valley Sewerage Authority, Rahway, NJ
Secaucus Municipal Utilities Authority, Secaucus, NJ
Stony Brook Regional Sewerage Authority, Princeton, NJ


Albuquerque Bernalillo County Water Utility Authority, Albuquerque, NM
City of Santa Fe, Santa Fe, NM


Albany County Water Purification District, Albany, NY
Buffalo Sewer Authority, Buffalo, NY
City of Ithaca Department of Public Works, Ithaca, NY
Erie County Division of Sewerage Management, Buffalo, NY
Monroe County Department of Environmental Services, Rochester, NY
NYC Department of Environmental Protection, Elmhurst, NY
Onondaga County Department of Water Environment Protection, Syracuse, NY
Rockland County Sewer District #1, Orangeburg, NY
Westchester County Department of Environmental Facilities, New Rochelle, NY


Charlotte Water, Charlotte, NC
City of Clinton POTW, Clinton, NC
City of Greensboro Water Resources Department, Greensboro, NC
City of Raleigh Public Utilities Department, Raleigh, NC
City of Salisbury-Rowan Utilities, Salisbury, NC
Metropolitan Sewerage District of Buncombe County, Asheville, NC
Orange Water & Sewer Authority, Carrboro, NC
Town of Cary, Cary, NC
Water and Sewer Authority of Cabarrus County, Concord, NC


Akron Water Reclamation Services, Akron, OH
Avon Lake Regional Water, Avon Lake, OH
City of Canton Water Reclamation Facility, Canton, OH
City of Columbus Department of Public Utilities, Columbus, OH
City of Dayton Department of Water, Dayton, OH
City of Defiance, Defiance, OH
City of Elyria Wastewater Pollution Control, Elyria, OH
City of Lakewood, Lakewood, OH
City of Lebanon, OH, Lebanon, OH
City of Lima Utilities Department, Lima, OH
City of Sidney, Sidney, OH
City of Toledo Department of Public Utilities, Toledo, OH
Metropolitan Sewer District of Greater Cincinnati, Cincinnati, OH
Montgomery County Water Services, Kettering, OH
Northeast Ohio Regional Sewer District, Cleveland, OH


City of Tulsa Water and Sewer Department, Tulsa, OK


City of Albany, OR, Albany, OR
City of Corvallis Public Works Department, Corvallis, OR
City of Gresham Department of Environmental Services, Gresham, OR
City of Portland Bureau of Environmental Services, Portland, OR
City of Prineville, Prineville, OR
Clean Water Services, Hillsboro, OR
Metropolitan Wastewater Management Commission, Springfield, OR
Oak Lodge Water Services District, Milwaukie, OR
Water Environment Services of Clackamas County, Oregon City, OR


Allegheny County Sanitary Authority, Pittsburgh, PA
Capital Region Water, Harrisburg, PA
City of Lancaster, Lancaster, PA
Delaware County Regional Water Quality Control Authority, Chester, PA
Derry Township Municipal Authority, Hershey, PA
Philadelphia Water Department, Philadelphia, PA
Pittsburgh Water & Sewer Authority, Pittsburgh, PA


Puerto Rico Aqueduct and Sewer Authority, San Juan, PR


Narragansett Bay Commission, Providence, RI


Beaufort Jasper Water & Sewer Authority, Okatie, SC
Charleston Water System, Charleston, SC
Greenwood Metropolitan District, Greenwood, SC
Greer Commission of Public Works, Greer, SC
Mount Pleasant Waterworks, Mount Pleasant, SC
Renewable Water Resources, Greenville, SC
Spartanburg Water, Spartanburg, SC
Summerville Commissioners of Public Works, Summerville, SC


City of Johnson City, Johnson City, TN
City of Kingsport, Kingsport, TN
Hallsdale Powell Utility District, Knoxville, TN
Knoxville Utilities Board, Knoxville, TN
Metropolitan Government of Nashville & Davidson County, Nashville, TN


Austin Water, Austin, TX
Benbrook Water Authority, Benbrook, TX
City of Corpus Christi - Water Utilities, Corpus Christi, TX
City of Dallas Water Utilities, Dallas, TX
City of Garland, Garland, TX
City of Houston Public Works & Engineering/Public Utilities Division, Houston, TX
City of Huntsville, Huntsville, TX
El Paso Water Utilities Public Service Board, El Paso, TX
Fort Worth Water Department, Fort Worth, TX
Gulf Coast Authority, Houston, TX
North Texas Municipal Water District, Wylie, TX
San Antonio Water System, San Antonio, TX
San Jacinto River Authority, The Woodlands, TX
Trinity River Authority of Texas, Arlington, TX
Upper Trinity Regional Water District, Lewisville, TX


Central Davis Sewer District, Kaysville, UT
Salt Lake City Corporation, Salt Lake City, UT
Snyderville Basin Water Reclamation District, Park City, UT
Timpanogos Special Service District, American Fork, UT


City of South Burlington Water Quality Department, South Burlington, VT


Alexandria Renew Enterprises, Alexandria, VA
Arlington County Department of Environmental Services - Water Pollution Control Bureau, Arlington, VA
Chesterfield County Utilities, Chesterfield, VA
City of Lynchburg Department of Water Resources, Lynchburg, VA
City of Richmond Department of Public Utilities, Richmond, VA
City of Virginia Beach Department of Public Utilities, Virginia Beach, VA
County of Stafford Department of Utilities, Stafford, VA
Fairfax County Wastewater Management Program, Lorton, VA
Hampton Roads Sanitation District, Virginia Beach, VA
Hanover County Department of Public Utilities, Hanover, VA
Hopewell Water Renewal, Hopewell, VA
Loudoun Water, Ashburn, VA
Prince William County Service Authority, Woodbridge, VA
Upper Occoquan Service Authority, Centreville, VA
Western Virginia Water Authority, Roanoke, VA


City of Everett Public Works Department, Everett, WA
City of Lynnwood, Lynnwood, WA
City of Tacoma, Environmental Services Department, Tacoma, WA
City of Vancouver, Vancouver, WA
Clark Regional Wastewater District, Vancouver, WA
King County Wastewater Treatment Division, Seattle, WA
Lakehaven Water & Sewer District, Federal Way, WA
LOTT Clean Water Alliance, Olympia, WA
Pierce County, Planning and Public Works, Surface Water Management, Tacoma, WA
Seattle Public Utilities, Seattle, WA


Beckley Sanitary Board, Beckley, WV
Charles Town Utility Board, Charles Town, WV
Jefferson County Public Service District, Kearneysville, WV
Morgantown Utility Board, Morgantown, WV


City of Beloit Water Resources Division, Beloit, WI
City of Fond du Lac Wastewater Treatment & Resource Recovery Facility, Fond Du Lac, WI
City of Superior, Environmental Services Division, Superior, WI
Madison Metropolitan Sewerage District, Madison, WI
Milwaukee Metropolitan Sewerage District, Milwaukee, WI
NEW Water, Green Bay, WI
Racine Wastewater Utility, Racine, WI


Board of Public Utilities - City of Cheyenne, Cheyenne, WY