Rhode Island

Rhode Island drinking water quality

Every public water system in Rhode Island we've verified. Each report covers one calendar year and shows the utility's own measured contaminant levels against federal limits.

Want the national picture? See where Rhode Island lands in our ranking of the states with the most open health-based water violations, pulled from the EPA's own records for every U.S. public water system.

167 water systems mapped in Rhode Island

Browse all 167 systems A–Z:1

• Dean Warehouse Services (2008)
  1 contaminants measured· 1 at or above the limit
• Ladd Center Water System (2016)
  1 contaminants measured· 1 at or above the limit
• Chariho Regional High School (2013)
  1 contaminants measured· 1 at or above the limit
• Eleanor Slater Hospital Zambarano Unit (2023)
  1 contaminants measured· 1 at or above the limit
• Ashaway Line & Twine Mfg. Co.-lower Mill (2024)
  1 contaminants measured· 1 at or above the limit
• Coventry National Guard (2011)
  1 contaminants measured· 1 at or above the limit
• Lake Forest Health and Rehabilitation (2025)
  1 contaminants measured· 1 at or above the limit
• Greenwich Village Nursery School, Inc. (2016)
  1 contaminants measured· 1 at or above the limit
• Crandall House-sr. Citizens (2025)
  1 contaminants measured· 1 at or above the limit
• Kingston Center An0 (2021)
  1 contaminants measured· 1 at or above the limit
• West Greenwich Travel Center (2024)
  1 contaminants measured· 1 at or above the limit
• Cooper Hill Office Complex (2019)
  1 contaminants measured· 1 at or above the limit
• Sakonnet Early Learning Center, Inc. (2019)
  1 contaminants measured· 1 at or above the limit
• Jemp 1 Llc (2025)
  1 contaminants measured· 1 at or above the limit
• Exeter Job Corps Center (2025)
  1 contaminants measured· 1 at or above the limit
• Providence (2025)
  11 contaminants measured
• Lindhbrook Water Company (2023)
  1 contaminants measured
• Quonset Business Park (2025)
  1 contaminants measured
• Foster Senior Housing Inc. (2007)
  1 contaminants measured
• South Trail Commerce (2023)
  1 contaminants measured
• Fogarty Memorial School (2023)
  1 contaminants measured
• Abbey Lane Community Assn., Inc. (2023)
  1 contaminants measured
• South Kingstown-middlebridge (2024)
  1 contaminants measured
• Naval Station, Newport (2025)
  1 contaminants measured
• Castle Rock Condominiums (2023)
  1 contaminants measured
• Richmond, Town of (2023)
  1 contaminants measured
• Bethel Village Water Assn (2023)
  1 contaminants measured
• Mildred E Lineham School (2023)
  1 contaminants measured
• Kent County Water Authority (2025)
  1 contaminants measured
• Westerly Water Department (2025)
  1 contaminants measured
• Shady Harbor Fire District (2024)
  1 contaminants measured
• North Kingstown Town of (2025)
  1 contaminants measured
• Woonsocket Water Division (2025)
  1 contaminants measured
• Metcalf Elementary School (2023)
  1 contaminants measured
• Wawaloam School (2011)
  1 contaminants measured
• Captain Isaac Paine School (2023)
  1 contaminants measured
• Glendale Water Assn (2023)
  1 contaminants measured
• Glocester Town Hall-school Administratio (2023)
  1 contaminants measured
• Ponaganset High School (2023)
  1 contaminants measured
• Newport-city of (2025)
  1 contaminants measured
• North Smithfield Jr_sr High School (2009)
  1 contaminants measured
• North Tiverton Fire District (2023)
  1 contaminants measured
• Pawtucket Water Supply Board Veolia-na (2025)
  1 contaminants measured
• Portsmouth Water & Fire District (2024)
  1 contaminants measured
• Prudence Island Water District (2024)
  1 contaminants measured
• East Providence-city of (2025)
  1 contaminants measured
• Clayville Elementary School (2010)
  1 contaminants measured
• Scituate High School & Middle School (2024)
  1 contaminants measured
• North Scituate Elementary (2023)
  1 contaminants measured
• Slatersville Public Supply (2023)
  1 contaminants measured
• Smithfield Water Supply Board (2025)
  1 contaminants measured
• Stone Bridge Fire District (2011)
  1 contaminants measured
• South Kingstown-south Shore (2023)
  1 contaminants measured
• Veolia Water Wakefield Rhode Island Inc (2024)
  1 contaminants measured
• Touisset Point Water Trust (2013)
  1 contaminants measured
• Warwick-city of (2025)
  1 contaminants measured
• Quonochontaug East Beach Water Associati (2024)
  1 contaminants measured
• Central Beach Fire District (2023)
  1 contaminants measured
• Bristol County Water Authority (2025)
  1 contaminants measured
• Charlestown Elementary School (2023)
  1 contaminants measured
• Western Coventry Elem School (2023)
  1 contaminants measured
• Shannock Water District (2014)
  1 contaminants measured
• Cumberland, Town of (2025)
  1 contaminants measured
• Greenville Water District (2023)
  1 contaminants measured
• Clear River Electric and Water District (2025)
  1 contaminants measured
• Beadery Industrial, the (2024)
  1 contaminants measured
• Ashaway Elementary School (2013)
  1 contaminants measured
• Jamestown Water Department (2025)
  1 contaminants measured
• Kingston Water District (2023)
  1 contaminants measured
• University of Rhode Island (2025)
  1 contaminants measured
• Lincoln Water Commission (2025)
  1 contaminants measured
• Wilbur and Mcmahon School (2023)
  1 contaminants measured
• Narragansett Water System-point Judith (2024)
  1 contaminants measured
• Narragansett Water Dept-north End (2024)
  1 contaminants measured
• Block Island Water Company (2023)
  1 contaminants measured
• North Smithfield Air National Guard Syst (2023)
  1 contaminants measured
• Paige Associates (2011)
  1 contaminants measured
• Exeter-w.greenwich Jr/sr High School (2023)
  1 contaminants measured
• North Smithfield Elementary School (2009)
  1 contaminants measured
• Charlestown Municipal Offices (2013)
  1 contaminants measured
• Burrillville Middle School (2023)
  1 contaminants measured
• Nasonville Water District (2024)
  1 contaminants measured
• Beadery Warehouse, the (2024)
  1 contaminants measured
• Pinewood Park School (2020)
  1 contaminants measured
• Ocean State Power Llc (2012)
  1 contaminants measured
• West Glocester Elementary School (2023)
  1 contaminants measured
• Tiverton Water Authority, Town Hall (2024)
  1 contaminants measured
• Scituate Early Learning Center (2023)
  1 contaminants measured
• United States Navy -fort Adams (2023)
  1 contaminants measured
• Warwick-potowomut (2023)
  1 contaminants measured
• Canonchet Cliffs Water Association Inc. (2024)
  1 contaminants measured
• Washington Oak Elementary School (2023)
  1 contaminants measured
• West Greenwich Town Hall (2015)
  1 contaminants measured
• Pine Acres Alr (2023)
  1 contaminants measured
• Sunset Cove Properties Llc (2013)
  1 contaminants measured
• Harmony Hill School, Inc. (2015)
  1 contaminants measured
• Chopmist Hill Community Center (2022)
  1 contaminants measured
• Wood River Health Services (2013)
  1 contaminants measured
• Oak Harbor Village, Llc. (2023)
  1 contaminants measured
• Heritage Park Home Co-operative (2023)
  1 contaminants measured
• Ski Pro, Inc. (2023)
  1 contaminants measured
• Sunrise Associates, Llc (2023)
  1 contaminants measured
• Chimera Inc (2023)
  1 contaminants measured
• Alpine Nursing Home (2025)
  1 contaminants measured
• Split Rock Corporation (2023)
  1 contaminants measured
• Mobile Village, Inc. (2021)
  1 contaminants measured
• Border Hill Mobile Home Park (2025)
  1 contaminants measured
• Charlestown Cedars Llc (2023)
  1 contaminants measured
• Ninigret Realty (2023)
  1 contaminants measured
• Meadowlark, Inc. (2013)
  1 contaminants measured
• Blueberry Heights Housing Cooperative Co (2024)
  1 contaminants measured
• South Kingstown Nursing and Rehab (2023)
  1 contaminants measured
• Hillsdale Housing Cooperative, Inc. (2013)
  1 contaminants measured
• Village on Chopmist Hill, the (2023)
  1 contaminants measured
• Wrights Farm Corp. (2013)
  1 contaminants measured
• Maplehill Mobile Home Park (2010)
  1 contaminants measured
• Four Seasons Mhp Co-op Assn. (2010)
  1 contaminants measured
• Adcare Rhode Island Inc (2013)
  1 contaminants measured
• Lawrence Sunset Cove Association (2023)
  1 contaminants measured
• Church Woods (2023)
  1 contaminants measured
• Charlestown Senior Community Center (2013)
  1 contaminants measured
• Scituate Village Plaza (2010)
  1 contaminants measured
• Greene School - Building 1, the (2023)
  1 contaminants measured
• Trinity Lutheran Pre-school (2011)
  1 contaminants measured
• New Era Enrichment Academy (2023)
  1 contaminants measured
• Silveira Kindergarten & Nursery School, (2024)
  1 contaminants measured
• Laurel Crest Glocester Housing Authority (2024)
  1 contaminants measured
• Chariho Regional Middle School (2013)
  1 contaminants measured
• Carousel Industries of North America Llc (2023)
  1 contaminants measured
• Lakeview Charlestown Early Lrning Ctr. (2023)
  1 contaminants measured
• St. Andrew Lutheran Church (2024)
  1 contaminants measured
• Carpenter Hall Llc Dba Zinnia Exeter (2023)
  1 contaminants measured
• Acorn Academy, Llc (2024)
  1 contaminants measured
• Greene School - Building 2 & 3, the (2013)
  1 contaminants measured
• Bruin Plastics Company, Inc. (2024)
  1 contaminants measured
• Glocester Senior Center, Memorial Park (2009)
  1 contaminants measured
• Foster Town Hall (2013)
  1 contaminants measured
• R.i. State Police Headquarters -new (2013)
  1 contaminants measured
• Nach Realty Trust (2022)
  1 contaminants measured
• Early Learning Centers of Risaunderstown (2023)
  1 contaminants measured
• Briarwood Child Academy Smithfield (2024)
  1 contaminants measured
• Ocean State Transit-chariho (2023)
  1 contaminants measured
• Fm Global Research Campus (2023)
  1 contaminants measured
• Kingston Hill Academy (2023)
  1 contaminants measured
• Echo Lake Water District (2021)
  1 contaminants measured
• Charlestown Police Station (2022)
  1 contaminants measured
• Meadowbrook Waldorf School (2023)
  1 contaminants measured
• Saugatucket Springs (2022)
  1 contaminants measured
• Ponaganset Middle School (2023)
  1 contaminants measured
• Shadow Woods at Deer Brook (2022)
  1 contaminants measured
• Hopkinton Industrial Park, Llc (2024)
  1 contaminants measured
• Rockville Mill Hopkinton, Llc (2023)
  1 contaminants measured
• Rochs Fresh Foods Facility (2022)
  1 contaminants measured
• Cne - Hopkins Hill Road Entry Point (2023)
  1 contaminants measured
• Cne - New London Turnpike Entry Point (2025)
  1 contaminants measured
• Tiverton Four Corners (2023)
  1 contaminants measured
• Providence-city of - Whipple (2023)
  1 contaminants measured
• Benoit Realty Llc Dba Anchor Subaru (2023)
  1 contaminants measured
• Brown University Health-miriam Hospital (2023)
  1 contaminants measured
• Brown University Health-ri Hospital (2023)
  1 contaminants measured
• Brown University Health-newport Hospital (2023)
  1 contaminants measured
• Hopkinton, Town of (2023)
  1 contaminants measured
• Daedalus Office Park (2023)
  1 contaminants measured
• Dowling Village (2023)
  1 contaminants measured
• Dawn Hill Home Rehab and Healthcare, the (2023)
  1 contaminants measured
• Richmond Ridge Development (2023)
  1 contaminants measured
• Liberty Hill (2023)
  1 contaminants measured