EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

STATE / TERRITORY LEDGER

Rhode Island drinking water system records

EPA compliance fields for active community water systems reporting at least 2,500 people served.

Systems32active CWS · pop. 2,500+
Population served1,050,714reported total; may overlap
Current violation flag12.5%4 systems
Serious-violator flag6.2%2 systems

01 / LARGEST SYSTEMS

Community water systems in Rhode Island

Population served is a system-reported service figure. It is not a count of unique state residents.

Water systemPopulation servedPrimary sourceCurrent export status
Providence-City OfRI1592024333,142Surface waterNo current violation flagged
Pawtucket Water Supply Board Veolia-NaRI159202198,130Surface waterNo current violation flagged
Kent County Water AuthorityRI155951194,107Surface water purchasedNo current violation flagged
Warwick-City OfRI161562773,289Surface water purchasedNo current violation flagged
Bristol County Water AuthorityRI164751549,000Surface water purchasedNo current violation flagged
East Providence-City OfRI161561047,618Surface water purchasedNo current violation flagged
Woonsocket Water DivisionRI155951845,828Surface waterNo current violation flagged
Newport-City OfRI159201042,155Surface waterNo current violation flagged
Westerly Water DepartmentRI155951235,298Ground waterCurrent monitoring/reporting flag
North Kingstown Town OfRI155951727,732Ground waterNo current violation flagged
Veolia Water Wakefield Rhode Island IncRI161562422,347Ground waterNo current violation flagged
Lincoln Water CommissionRI185842321,664Surface water purchasedNo current violation flagged
Cumberland, Town OfRI164753021,235Surface water purchasedNo current violation flagged
University Of Rhode IslandRI185842219,354Ground waterNo current violation flagged
Portsmouth Water & Fire DistrictRI159202217,090Surface water purchasedNo current violation flagged
Block Island Water CompanyRI18584309,999Ground waterNo current violation flagged
Cne - New London Turnpike Entry PointRI29804539,999Ground water purchasedNo current violation flagged
Greenville Water DistrictRI18584109,500Surface water purchasedNo current violation flagged
Smithfield Water Supply BoardRI16156169,460Surface water purchasedNo current violation flagged
North Tiverton Fire DistrictRI15920188,969Surface water purchasedNo current violation flagged
Narragansett Water System-Point JudithRI18584288,210Ground water purchasedCurrent serious-violator flag
Naval Station, NewportRI10000167,870Surface water purchasedNo current violation flagged
South Kingstown-South ShoreRI16156236,170Ground waterNo current violation flagged
Clear River Electric And Water DistrictRI18584116,000Ground waterNo current violation flagged
Narragansett Water Dept-North EndRI18584294,432Ground water purchasedNo current violation flagged
Kingston Water DistrictRI18584213,968Ground waterNo current violation flagged
Slatersville Public SupplyRI16156143,403Surface water purchasedCurrent serious-violator flag
Jamestown Water DepartmentRI18584193,348Surface waterNo current violation flagged
Tiverton Water Authority, Town HallRI19000423,213Surface water purchasedNo current violation flagged
Stone Bridge Fire DistrictRI16156192,793Surface waterNo current violation flagged
Dowling VillageRI29804762,720Surface water purchasedNo current violation flagged
Richmond, Town OfRI10000402,671Ground waterCurrent monitoring/reporting flag