Rhode Island Drinking Water Compliance Records
89 water systems serving 1,065,952 people. 1,800 historical EPA violation records in the Q2 2026 snapshot.
TapScore Compliance-History Grades
A
43
48%
B
18
20%
C
19
21%
D
8
9%
F
1
1%
89
Water Systems
1,065,952
Population Served
1,800
Historical Records
282
Health-Based (All Years)
Systems With the Most Recent EPA Records
VILLAGE ON CHOPMIST HILL, THE
250 served135 historical records113 recent
C
BETHEL VILLAGE WATER ASSN
180 served81 historical records72 recent
C
LINDHBROOK WATER COMPANY
200 served111 historical records58 recent
D
PRUDENCE ISLAND WATER DISTRICT
1,500 served105 historical records50 recent
C
CHIMERA INC
133 served94 historical records48 recent
C
QUONOCHONTAUG EAST BEACH WATER ASSOCIATI
300 served47 historical records35 recent
C
NASONVILLE WATER DISTRICT
150 served39 historical records31 recent
C
CENTRAL BEACH FIRE DISTRICT
470 served37 historical records25 recent
D
KINGSTON WATER DISTRICT
3,968 served47 historical records17 recent
C
BLOCK ISLAND WATER COMPANY
9,999 served72 historical records12 recent
C
Large Systems With No Recent Records
KENT COUNTY WATER AUTHORITY
94,107 served8 historical records
A
EAST PROVIDENCE-CITY OF
47,618 served6 historical records
A
NORTH KINGSTOWN TOWN OF
27,732 served42 historical records
A
LINCOLN WATER COMMISSION
21,664 served0 historical records
A
UNIVERSITY OF RHODE ISLAND
19,354 served32 historical records
A
PORTSMOUTH WATER & FIRE DISTRICT
17,090 served4 historical records
A
CNE - NEW LONDON TURNPIKE ENTRY POINT
9,999 served1 historical record
A
GREENVILLE WATER DISTRICT
9,500 served5 historical records
A
SMITHFIELD WATER SUPPLY BOARD
9,460 served17 historical records
A
NORTH TIVERTON FIRE DISTRICT
8,969 served3 historical records
A
Largest Water Systems in Rhode Island
| Water System | Grade | Population | Historical Records |
|---|---|---|---|
| PROVIDENCE-CITY OF | B | 333,142 | 10 |
| PAWTUCKET WATER SUPPLY BOARD VEOLIA-NA | B | 98,130 | 10 |
| KENT COUNTY WATER AUTHORITY | A | 94,107 | 8 |
| WARWICK-CITY OF | B | 73,289 | 18 |
| BRISTOL COUNTY WATER AUTHORITY | B | 49,000 | 34 |
| EAST PROVIDENCE-CITY OF | A | 47,618 | 6 |
| WOONSOCKET WATER DIVISION | C | 45,828 | 27 |
| NEWPORT-CITY OF | B | 42,155 | 14 |
| WESTERLY WATER DEPARTMENT | C | 35,298 | 47 |
| NORTH KINGSTOWN TOWN OF | A | 27,732 | 42 |
| VEOLIA WATER WAKEFIELD RHODE ISLAND INC | D | 22,347 | 16 |
| LINCOLN WATER COMMISSION | A | 21,664 | 0 |
| CUMBERLAND, TOWN OF | B | 21,235 | 22 |
| UNIVERSITY OF RHODE ISLAND | A | 19,354 | 32 |
| PORTSMOUTH WATER & FIRE DISTRICT | A | 17,090 | 4 |
| BLOCK ISLAND WATER COMPANY | C | 9,999 | 72 |
| CNE - NEW LONDON TURNPIKE ENTRY POINT | A | 9,999 | 1 |
| GREENVILLE WATER DISTRICT | A | 9,500 | 5 |
| SMITHFIELD WATER SUPPLY BOARD | A | 9,460 | 17 |
| NORTH TIVERTON FIRE DISTRICT | A | 8,969 | 3 |
Contaminants in Rhode Island
Lead in Rhode IslandArsenic in Rhode IslandNitrate in Rhode IslandFluoride in Rhode IslandPFOS in Rhode IslandPFOA in Rhode IslandTHMs in Rhode IslandHAA5 in Rhode Island
Cities in Rhode Island
CRANSTON(2)PROVIDENCE(6)JOHNSTON(1)NORTH PROVIDENCE(1)WARWICK(10)NORTH KINGSTOWN(4)CUMBERLAND(2)COVENTRY(7)PAWTUCKET(1)CENTRAL FALLS(1)SCITUATE(3)WEST GREENWICH(2)EAST GREENWICH(1)WEST WARWICK(1)PORTSMOUTH(3)SOUTH KINGSTOWN(7)NEWPORT(3)WARREN(2)BRISTOL(2)BARRINGTON(1)EAST PROVIDENCE(1)WOONSOCKET(1)MIDDLETOWN(3)WESTERLY(1)WAKEFIELD(4)LINCOLN(1)SMITHFIELD(5)KINGSTON(1)TIVERTON(6)NARRAGANSETT(3)NEW SHOREHAM(1)GREENVILLE(1)BURRILLVILLE(5)NORTH SMITHFIELD(2)PASCOAG(1)WEST KINGSTON(2)JAMESTOWN(1)RICHMOND(4)CHARLESTOWN(8)PRUDENCE ISLAND(1)EXETER(8)GLOCESTER(6)HOPKINTON(5)SLATERSVILLE(1)CHEPACHET(3)ASHAWAY(2)WESTWOOD(1)RYE(1)HARWINTON(1)SAUNDERSTOWN(1)HOPE VALLEY(1)WHITINSVILLE(1)STAMFORD(1)BRONX(1)FOSTER(2)SHANNOCK(1)GLENDALE(1)CANTON(1)BOSTON(1)