Water system register

Every system in the register, published or not.

Systems without a Water Profile stay in this list. Hiding them would make the record look more complete than it is.

Not sure which system is yours?Start from your address; we match it and ask you to confirm it against your bill.Find my water

The register

Listed in the order the search contract publishes. Search and filters narrow the list; nothing is re-sorted.
NORTH FULTON COUNTYGA1210005North Fulton County434,517 served31 evidence recordsGREENVILLE WATER (SC2310001)SC2310001Greenville (sc2310001)426,057 served31 evidence recordsMinneapolisMN1270024Minneapolis425,300 served37 evidence recordsREGIONAL WATER AUTHORITYCT0930011New Haven418,900 served31 evidence records · 2 above a referenceCITY OF ARLINGTONTX2200001Arlington413,955 served31 evidence records · 1 above a referenceTULSAOK1020418Tulsa413,000 served31 evidence recordsNEWPORT NEWS, CITY OFVA3700500Newport News407,300 served32 evidence records · 1 above a referenceWICHITA, CITY OFKS2017308Wichita395,699 served31 evidence records · 1 above a referenceSaint Paul Regional Water ServicesMN1620026Saint Paul392,529 served31 evidence recordsWINSTON-SALEM, CITY OFNC0234010Winston-Salem391,900 served32 evidence recordsMETROPOLITAN DISTRICT COMMISSIONCT0640011Hartford390,887 served31 evidence recordsCHESTERFIELD CO CENTRAL WATER SYSTEMVA4041845Chesterfield Central389,897 served31 evidence recordsSALT LAKE CITY WATER SYSTEMUTAH18026Salt Lake City383,612 served32 evidence records · 4 above a referenceNJ AMERICAN WATER - COASTAL NORTHNJ1345001Lakewood377,613 served31 evidence records · 2 above a referenceNORTH LAS VEGAS UTILITIESNV0000175North Las Vegas376,515 served33 evidence records · 1 above a referenceVANCOUVER CITY OFWA5391200Vancouver373,047 served32 evidence records · 2 above a referenceCENTRAL ARKANSAS WATERAR0000465Little Rock368,455 served31 evidence recordsTOLEDO CITY OFOH4801411Toledo360,000 served31 evidence recordsCOLUMBIA CITY OF (SC4010001)SC4010001Columbia354,068 served34 evidence records · 4 above a referenceAQUARION-EASTERN FAIRFIELD COUNTYCT0150011Stamford351,756 served31 evidence records · 2 above a referenceCITY OF ANAHEIMCA3010001Anaheim350,254 served31 evidence records · 4 above a referenceOCWANY3304336Fairmount350,000 served31 evidence recordsST PETERSBURG, CITY OFFL6521715St. Petersburg349,979 served34 evidence records · 1 above a referenceMANATEE COUNTY UTILITIES DEPTFL6411132Manatee County347,800 served31 evidence recordsSPOKANE CITY OFWA5383100Spokane346,138 served31 evidence records · 1 above a reference
Showing 76–100 of 300 in view

Utility pages by state

Each page lists the utility's contact details beside its record.
  • PublishedA Water Profile is published. Rated systems show their own Purity Score with its confidence.
  • No profile publishedThe system is in the register but its records haven’t been read. Not a pass, not a fail.
  • Stale recordThe newest sample is older than the freshness window, so the profile may be out of date.
  • Score withheldA profile exists but no score is published for it.
  • Service area unresolvedWe can’t yet tie the system to a PWSID or the places it serves.