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 D.
State average grade
D
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.
Grade distribution
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 | 75 | B |
| #2 | WARWICK-CITY OF | WARWICK | 73,289 | 73 | C |
| #3 | KENT COUNTY WATER AUTHORITY | COVENTRY | 88,779 | 57 | D |
| #4 | PAWTUCKET WATER SUPPLY BOARD VEOLIA-NA | CUMBERLAND | 98,130 | 52 | F |