PFAS contamination data for 1,138 water systems in Rhode Island, serving 1,235,726 people.
PFOA MCL: 20 ppt(EPA: 4 ppt)
PFOS MCL: 20 ppt(EPA: 4 ppt)
RI groundwater quality standards: PFOA 20 ppt, PFOS 20 ppt. Adopted 2022.
Rhode Island adopted PFAS groundwater standards in 2022. Contamination around military installations and industrial sites.
Free eligibility check — plus weekly MCL, deadline, and funding alerts for Rhode Island.
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| PROVIDENCE-CITY OF RI1592024 | PROVIDENCE | 333,142 | — | — | Compliant |
| PAWTUCKET WATER SUPPLY BOARD VEOLIA-NA RI1592021 | PAWTUCKET | 98,130 | — | — | Compliant |
| KENT COUNTY WATER AUTHORITY RI1559511 | WEST GREENWICH | 88,779 | 7.5 | — | Exceeds |
| WARWICK-CITY OF RI1615627 | WARWICK | 73,289 | — | — | Compliant |
| BRISTOL COUNTY WATER AUTHORITY RI1647515 | WARREN | 49,000 | — | — | Compliant |
| EAST PROVIDENCE-CITY OF RI1615610 | EAST PROVIDENCE | 47,618 | — | — | Compliant |
| WOONSOCKET WATER DIVISION RI1559518 | WOONSOCKET | 45,828 | 5.8 | — | Exceeds |
| NEWPORT-CITY OF |
| NEWPORT |
| 42,155 |
| — |
| — |
| Compliant |
| WESTERLY WATER DEPARTMENT RI1559512 | WESTERLY | 35,298 | 9 | 7 | Exceeds |
| NORTH KINGSTOWN TOWN OF RI1559517 | NORTH KINGSTOWN | 27,732 | 8.1 | 4.6 | Exceeds |
| VEOLIA WATER WAKEFIELD RHODE ISLAND INC RI1615624 | WAKEFIELD | 22,347 | — | — | Compliant |
| LINCOLN WATER COMMISSION RI1858423 | LINCOLN | 21,664 | — | — | Compliant |
| CUMBERLAND, TOWN OF RI1647530 | CUMBERLAND | 21,235 | 7.7 | 6.7 | Exceeds |
| UNIVERSITY OF RHODE ISLAND RI1858422 | KINGSTON | 19,354 | 16 | 5 | Exceeds |
| PORTSMOUTH WATER & FIRE DISTRICT RI1592022 | PORTSMOUTH | 17,090 | — | — | Compliant |
| QUONSET BUSINESS PARK RI1592025 | NORTH KINGSTOWN | 13,000 | 15 | 5 | Exceeds |
| BLOCK ISLAND WATER COMPANY RI1858430 | BLOCK ISLAND | 9,999 | — | — | Compliant |
| CNE - NEW LONDON TURNPIKE ENTRY POINT RI2980453 | WARWICK | 9,999 | — | — | Compliant |
| GREENVILLE WATER DISTRICT RI1858410 | GREENVILLE | 9,500 | — | — | Compliant |
| SMITHFIELD WATER SUPPLY BOARD RI1615616 | SMITHFIELD | 9,460 | — | — | Compliant |
| NORTH TIVERTON FIRE DISTRICT RI1592018 | TIVERTON | 8,969 | 4 | — | At risk |
| NARRAGANSETT WATER SYSTEM-POINT JUDITH RI1858428 | NARRAGANSETT | 8,210 | — | — | Compliant |
| NAVAL STATION, NEWPORT RI1000016 | NEWPORT | 7,870 | — | — | Compliant |
| WESTERN CRANSTON RI1647528 | CRANSTON | 6,585 | — | — | Compliant |
| SOUTH KINGSTOWN-SOUTH SHORE RI1615623 | WAKEFIELD | 6,170 | 6.1 | — | Exceeds |
| CLEAR RIVER ELECTRIC AND WATER DISTRICT RI1858411 | PASCOAG | 6,000 | — | — | Compliant |
| NARRAGANSETT WATER DEPT-NORTH END RI1858429 | NARRAGANSETT | 4,432 | 4.3 | 4 | Exceeds |
| ZZ*IN*JOHNSTON WATER CTRL FAC-WEST END RI2980183 | JOHNSTON | 4,230 | — | — | Compliant |
| KINGSTON WATER DISTRICT RI1858421 | WEST KINGSTON | 3,968 | 6.2 | — | Exceeds |
| JAMESTOWN WATER DEPARTMENT RI1858419 | JAMESTOWN | 3,348 | — | — | Compliant |
| TIVERTON WATER AUTHORITY, TOWN HALL RI1900042 | TIVERTON | 3,213 | — | — | Compliant |
| ZZ*IN*PASCOAG UTILITY DISTRICT,WATER DIV RI1592020 | PASCOAG | 2,985 | — | — | Compliant |
| STONE BRIDGE FIRE DISTRICT RI1615619 | TIVERTON | 2,793 | — | — | Compliant |
| WARWICK-POTOWOMUT RI1900051 | WARWICK | 2,163 | — | — | Compliant |
| PONAGANSET HIGH SCHOOL RI1583829 | NORTH SCITUATE | 1,600 | — | — | Compliant |
| PRUDENCE ISLAND WATER DISTRICT RI1592023 | PRUDENCE ISLAND | 1,500 | — | — | Compliant |
| SCITUATE HIGH SCHOOL & MIDDLE SCHOOL RI1615612 | SCITUATE | 1,426 | — | — | Compliant |
| MAPLEHILL MOBILE HOME PARK RI2973130 | SLATERSVILLE | 750 | — | — | Compliant |
| SOUTH KINGSTOWN-MIDDLEBRIDGE RI1000015 | WAKEFIELD | 694 | — | — | Compliant |
| ELEANOR SLATER HOSPITAL ZAMBARANO UNIT RI1647516 | PROVIDENCE | 540 | — | — | Compliant |
| PROVIDENCE-CITY OF - WHIPPLE RI2980461 | PROVIDENCE | 471 | — | — | Compliant |
| CENTRAL BEACH FIRE DISTRICT RI1647512 | CHARLESTOWN | 470 | — | — | Compliant |
| HOLIDAY INN OF KINGSTON RI2000014 | SOUTH KINGSTOWN | 424 | — | — | Compliant |
| NARRAGANSETT WATER SUPPLY-JERUSALEM RI1900045 | JERUSALEM | 375 | — | — | Compliant |
| SMITHFIELD O AKVIEW TERRACE RI1583813 | SMITHFIELD | 375 | — | — | Compliant |
| UNITED STATES NAVY -FORT ADAMS RI1900046 | NEWPORT | 320 | — | — | Compliant |
| CNE - HOPKINS HILL ROAD ENTRY POINT RI2980452 | WARWICK | 317 | — | — | Compliant |
| NORTH AVE CO-OP VT0021071 | WOONSOCKET | 301 | — | — | Compliant |
| EXETER JOB CORPS CENTER RI2980475 | EXETER | 300 | — | — | Compliant |
| QUONOCHONTAUG EAST BEACH WATER ASSOCIATI RI1647511 | CHARLESTOWN | 300 | — | — | Compliant |
| SHADOW WOODS AT DEER BROOK RI2980426 | WARWICK | 300 | — | — | Compliant |
| LIPPITT ESTATES ASSN RI1583811 | CUMBERLAND | 300 | — | — | Compliant |
| CASTLE ROCK CONDOMINIUMS RI1000035 | WARWICK | 292 | — | — | Compliant |
| LAKE FOREST HEALTH AND REHABILITATION RI2000083 | SMITHFIELD | 268 | — | — | Compliant |
| WHITE LAKE ESTATES NH2312030 | PAWTUCKET | 250 | — | — | Compliant |
| SOUTH KINGSTOWN NURSING AND REHAB RI2882117 | WEST KINGSTON | 232 | — | — | Compliant |
| TOUISSET POINT WATER TRUST RI1615626 | WARREN | 225 | — | — | Compliant |
| DAWN HILL HOME REHAB AND HEALTHCARE, THE RI2980478 | BRISTOL | 220 | — | — | Compliant |
| COVENTRY AIR PARK RI2519427 | COVENTRY | 200 | — | — | Compliant |
| PASQUALE OLIVO RI2000060 | GLOCESTER | 200 | — | — | Compliant |
| PASQUALE OLIVO RI2000061 | GLOCESTER | 200 | — | — | Compliant |
| HARMONY HILL SCHOOL, INC. RI2000059 | CHEPACHET | 199 | — | — | Compliant |
| ALTON RI1559514 | RICHMOND | 185 | — | — | Compliant |
| MEADOWLARK, INC. RI2753326 | PROVIDENCE | 183 | — | — | Compliant |
| BETHEL VILLAGE WATER ASSN RI1000045 | ASHAWAY | 180 | — | — | Compliant |
| ZZ*IN*OAKLAND ASSOCIATION, INC. RI1592019 | OAKLAND | 175 | — | — | Compliant |
| SOUTH TRAIL COMMERCE RI2980487 | SAUNDERSTOWN | 175 | — | — | Compliant |
| COVENTRY AIR PARK RI2051717 | COVENTRY | 174 | — | — | Compliant |
| RICHMOND RIDGE DEVELOPMENT RI2980480 | PROVIDENCE | 172 | — | — | Compliant |
| HILLSDALE HOUSING COOPERATIVE, INC. RI2942525 | WARWICK | 170 | — | — | Compliant |
| ECHO LAKE WATER DISTRICT RI2980414 | CHEPACHET | 160 | — | — | Compliant |
| CANONCHET CLIFFS WATER ASSOCIATION INC. RI1900053 | HOPE VALLEY | 154 | — | — | Compliant |
| GLENDALE DAVIS RI1583826 | GLENDALE | 150 | — | — | Compliant |
| WATERMAN HEIGHTS NURSING HOME RI2000084 | GREENVILLE | 146 | — | — | Compliant |
| SPLIT ROCK CORPORATION RI2585312 | NORTH KINGSTOWN | 138 | — | — | Compliant |
| CHIMERA INC RI2519424 | NARRAGANSETT | 133 | — | — | Compliant |
| MOBILE VILLAGE, INC. RI2585313 | COVENTRY | 130 | — | — | Compliant |
| LADD CENTER WATER SYSTEM RI1592012 | NORTH KINGSTOWN | 129 | — | — | Compliant |
| HOPKINTON, TOWN OF RI2980473 | ASHAWAY | 125 | — | — | Compliant |
| BRIARCLIFFE HEALTH CENTER RI2261723 | JOHNSTON | 125 | — | — | Compliant |
| PAIGE ASSOCIATES RI1900020 | WARWICK | 120 | — | — | Compliant |
| SHANNOK K VILLAGE RI1900001 | CRANSTON | 115 | — | — | Compliant |
| SHANNOCK VILLAGE-MARTIN RI1647541 | RICHMOND | 115 | — | — | Compliant |
| INDIAN LAKE RI1615625 | WAKEFIELD | 112 | — | — | Compliant |
| SAUGATUCKET SPRINGS RI2980423 | PROVIDENCE | 110 | — | — | Compliant |
| C. THIBEAULT RI2882114 | SMITHFIELD | 105 | — | — | Compliant |
| C. THIBEAULT RI2000082 | SMITHFIELD | 105 | — | — | Compliant |
| CHARTER OAKS VILLAGE COOPERATIVE ME0001006 | WOONSOCKET | 105 | — | — | Compliant |
| ALPINE NURSING HOME RI2519426 | COVENTRY | 105 | — | — | Compliant |
| PHEASANT RIDGE HOMEOWNERS ASSOCIATION RI2980276 | EAST GREENWICH | 100 | — | — | Compliant |
| PAUL HEBERT RI2415428 | SMITHFIELD | 100 | — | — | Compliant |
| FALL BROOK MOBILE HOME PARK CT0690051 | PROVIDENCE | 98 | — | — | Compliant |
| CHURCH WOODS RI2980017 | CHARLESTOWN | 98 | — | — | Compliant |
| ZZ*IN*DEERFIELD COMMONS/PROPERTY ADV GRP RI2980258 | PROVIDENCE | 95 | — | — | Compliant |
| COAST GUARD HOUSING (APH) 1ST DISTRICT RI1000030 | NORTH SMITHFIELD | 85 | — | — | Compliant |
| BLUE ROCK COOPERATIVE ME0009171 | WOONSOCKET | 83 | — | — | Compliant |
| TELEMARK VILLAGE VT0005571 | BARRINGTON | 82 | — | — | Compliant |
| BORDER HILL MOBILE HOME PARK RI2674924 | CHARLESTOWN | 75 | — | — | Compliant |
| PINE ACRES ALR RI2000004 | COVENTRY | 75 | — | — | Compliant |
| GLENDALE WATER ASSN RI1583825 | GLENDALE | 75 | — | — | Compliant |
| SHANNOCK WATER DISTRICT RI1647529 | NORTH KINGSTOWN | 75 | — | — | Compliant |
| ZZ*IN*JOHNSTON WATER CTRL FAC-TAYLOR RD RI2980432 | JOHNSTON | 70 | — | — | Compliant |
| WELCOM MANOR RI2942511 | NORTH SCITUATE | 70 | — | — | Compliant |
| ZZ*IN*MOHEGAN WATER ASSOCIATION, INC. RI1559519 | HARRISVILLE | 70 | — | — | Compliant |
| YAWGOO VALLEY APARTMENTS RI2000164 | EXETER | 70 | — | — | Compliant |
| CANONCHET CLIFFS I/HOPKINTON HOUSING RI1000043 | HOPE VALLEY | 63 | — | — | Compliant |
| TRIPPLEWOOD RESORT CONDOS NH0342020 | BARRINGTON | 60 | — | — | Compliant |
| HERITAGE PARK HOME CO-OPERATIVE RI2051311 | MIDDLETOWN | 60 | — | — | Compliant |
| CANONCHET CLIFFS II/HOPKINTON VILLAGE IN RI1900025 | HOPE VALLEY | 59 | — | — | Compliant |
| HARTFORD MOTEL CORP RI2261721 | JOHNSTON | 56 | — | — | Compliant |
| ZZ*IN*JOHNSTON WATER CTRL FAC-CAPITOL ST RI2980435 | JOHNSTON | 55 | — | — | Compliant |
| ZZ*IN*JOHNSTON WATER CTRL-NARDOLILLO ST RI2980434 | JOHNSTON | 55 | — | — | Compliant |
| ZZ*IN*WOODLAND CONVALESCENT CENTER RI2942518 | NORTH SMITHFIELD | 54 | — | — | Compliant |
| PEMAQUID VILLAS MHP ME0002093 | WOONSOCKET | 53 | — | — | Compliant |
| WOODLAND NURSING CENTER RI2000096 | NORTH SMITHFIELD | 50 | — | — | Compliant |
| OAK CREST MANOR RI2000112 | SCITUATE | 50 | — | — | Compliant |
| HILLSDALE TRAILER PARK RI2000148 | RICHMOND | 50 | — | — | Compliant |
| ZZ*IN*JOHNSTON WATER CTRL-EVERBLOOM ST RI2980433 | JOHNSTON | 48 | — | — | Compliant |
| LIBERTY HILL RI2980481 | EXETER | 48 | — | — | Compliant |
| HANOVER PARK CT1330041 | NORTH KINGSTON | 48 | — | — | Compliant |
| SEA VIEW MOTOR COURT RI2519423 | CHARLESTOWN | 46 | — | — | Compliant |
| WOODLAND DEVELOPMENT RI1000002 | COVENTRY | 46 | — | — | Compliant |
| ABBEY LANE COMMUNITY ASSN., INC. RI1000009 | FOSTER | 45 | — | — | Compliant |
| BLUEBERRY HEIGHTS HOUSING COOPERATIVE CO RI2814410 | WARWICK | 44 | — | — | Compliant |
| LAUREL CREST GLOCESTER HOUSING AUTHORITY RI2980146 | CHEPACHET | 43 | — | — | Compliant |
| WINNISQUAM RESORT CONDOS NH2352010 | WARREN | 42 | — | — | Compliant |
| APPLE CREEK AT WINDWOOD APARTMENTS RI2980340 | TIVERTON | 42 | — | — | Compliant |
| FOUR SEASONS MHP CO-OP ASSN. RI2980001 | TIVERTON | 40 | — | — | Compliant |
| MARATHON HOUSE RI2051710 | COVENTRY | 40 | — | — | Compliant |
| MT JEFFERSON/WASHINGTON CONDOS NH1212050 | PEACE DALE | 38 | — | — | Compliant |
| LAWRENCE SUNSET COVE ASSOCIATION RI2980003 | TIVERTON | 36 | — | — | Compliant |
| GREEN HILL BEACH MOTEL RI2882132 | SOUTH KINGSTOWN | 35 | — | — | Compliant |
| KINGSLAND VILLAGE CONDOMINIUMS RI1000036 | CHARLESTOWN | 35 | — | — | Compliant |
| FOSTER SENIOR HOUSING INC. RI1858435 | FOSTER | 31 | — | — | Compliant |
| SUNSET COVE PROPERTIES LLC RI2000053 | CHEPACHET | 30 | — | — | Compliant |
| THOMAS HAYNES RI2000161 | GREENE | 30 | — | — | Compliant |
| FORESTDALE-DION RI1900005 | NORTH SMITHFIELD | 29 | — | — | Compliant |
| ROCKLAND OAKS AN0 RI1000020 | N. SCITUATE | 26 | — | — | Compliant |
| US BORDER STATION-LONG POND RD-JACKMAN ME0092559 | LINCOLN | 26 | — | — | Compliant |
| NEWFOUND ACRES MHP NH0293010 | WOONSOCKET | 26 | — | — | Compliant |
| PINE GROVE CAMP RI2087021 | NORTH KINGSTOWN | 25 | — | — | Compliant |
| HAPPY VALLEY FAMILY CAMPING RI2585321 | EXETER/WEST GREENWICH | 25 | — | — | Compliant |
| SUNNY SPRING/ANN AND HOPE (BLK) MA2187002 | CUMBERLAND | 25 | — | — | Compliant |
| PICKETT ROAD APARTMENTS CT1090271 | WESTERLY | 25 | — | — | Compliant |
| REST HAVEN REST HOME RI2943227 | GREENE | 25 | — | — | Compliant |
| WASHINGTON OAKS RI2585327 | FOSTER | 25 | — | — | Compliant |
| SUNSHINE HOUSE NURSING HOME RI2519412 | CHARLESTOWN | 25 | — | — | Compliant |
| RICCARDI NURSING HOME INC RI2087030 | NORTH SCITUATE | 25 | — | — | Compliant |
| CUMBERLAND SANITARIUM RI2051723 | CUMBERLAND | 25 | — | — | Compliant |