Rhode Island Water Quality Ratings

TapWaterSafety has rated 4 public water systems in Rhode Island, serving a combined 593,340 residents. The statewide average grade is F.

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
State average grade
F
57/100
Total utilities rated 4
Population served 593,340

Top water quality concerns in Rhode Island

  • Total trihalomethanes (TTHMs) significantly above health guideline
  • Haloacetic acids (HAA9) significantly above health guideline
  • PFAS contamination
  • Perfluorohexane sulfonate (PFHXS) significantly above health guideline
  • Haloacetic acids (HAA5) significantly above health guideline

Cities in Rhode Island

Browse tap water quality reports by city. Click any city to see its grade, what's in the water, and recommended filters.

CENTRAL FALLS
F 98,130
COVENTRY
F 88,779
CRANSTON
F 421,921
CUMBERLAND
F 98,130
EAST GREENWICH
F 88,779
JOHNSTON
D 333,142
NORTH KINGSTOWN
F 88,779
NORTH PROVIDENCE
D 333,142
PAWTUCKET
F 98,130
PROVIDENCE
D 333,142
SCITUATE
F 88,779
WARWICK
F 162,068
WEST GREENWICH
F 88,779
WEST WARWICK
F 88,779

Grade distribution

A
0 (0%)
B
0 (0%)
C
1 (25%)
D
1 (25%)
F
2 (50%)

All rated utilities in Rhode Island

Sorted by score, highest first. Click any utility to see the full grade card.

Rank Utility City Population Score Grade
#1 PROVIDENCE-CITY OF CRANSTON 333,142 65 C
#2 WARWICK-CITY OF WARWICK 73,289 59 D
#3 KENT COUNTY WATER AUTHORITY COVENTRY 88,779 53 F
#4 PAWTUCKET WATER SUPPLY BOARD VEOLIA-NA CUMBERLAND 98,130 50 F