Search city, ZIP, contaminant⌘KFind my water
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.
OKLAHOMA CITYOK1020902Oklahoma City644,000 served31 evidence records · 1 above a referenceDETROIT CITY OFMI0001800Detroit633,218 served32 evidence recordsD.C. WATER AND SEWER AUTHORITYDC0000002Washington, DC632,323 served32 evidence records · 1 above a referenceHNL-WINDWARD-PEARL HARBORHI0000331Hnl-windward-pearl Harbor631,389 served31 evidence recordsMILWAUKEE WATERWORKSWI2410100Milwaukee626,000 served31 evidence recordsNJ AMERICAN WATER - RARITANNJ2004002Plainfield615,430 served31 evidence records · 3 above a referenceBATON ROUGE WATER COMPANYLA1033005Baton Rouge596,844 served32 evidence records · 1 above a referenceALBUQUERQUE WATER SYSTEMNM3510701Albuquerque560,326 served31 evidence records · 1 above a referenceKANSAS CITY PWSMO1010415Kansas City553,295 served31 evidence records · 1 above a referenceCITY OF FRESNOCA1010007Fresno545,970 served31 evidence records · 3 above a referenceORLANDO UTILITIES COMMISSIONFL3480962Orlando536,466 served36 evidence recordsAURORA CITY OFCO0103005Aurora533,407 served32 evidence records · 2 above a referenceCITY OF SACRAMENTO MAINCA3410020Sacramento527,979 served34 evidence records · 5 above a referenceMCWANY2701047Irondequoit525,262 served31 evidence records · 1 above a referencePITTSBURGH WATER & SEWER AUTHPA5020038Pittsburgh520,000 served31 evidence recordsHCWRD/SOUTH-CENTRALFL6290787Hcwrd/south-central515,012 served31 evidence records · 1 above a referencePINELLAS COUNTY UTILITIESFL6521405Pinellas County506,353 served32 evidence records · 1 above a referenceWATER DISTRICT 1 OF JOHNSON COKS2009110Overland Park490,000 served32 evidence records · 2 above a referenceLONG BEACH UTILITIES DEPARTMENTCA1910065Long Beach466,772 served34 evidence records · 2 above a referenceMESA CITY OFAZ0407095Mesa466,000 served34 evidence records · 2 above a referenceCOLORADO SPRINGS UTILITIESCO0121150Colorado Springs464,111 served31 evidence records · 1 above a referenceIRVINE RANCH WATER DISTRICTCA3010092Irvine450,323 served32 evidence records · 2 above a referenceTACOMA WATER DIVISION CITY OFWA5386800Tacoma446,245 served31 evidence recordsTRUCKEE MEADOWS WATER AUTHORITYNV0000190Reno442,000 served31 evidence records · 4 above a referenceVIRGINIA BEACH, CITY OFVA3810900Virginia Beach437,994 served32 evidence records
Showing 51–75 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.