Rhode Island drinking water quality
Rhode Island has 439 active public water systems serving 1.2 million people. 205 of them, 47%, had at least one EPA violation in the past three years, 44 have an unresolved violation today, and 4 are designated serious violators by the EPA.
Active systems
439
in 5 counties
People served
1.2M
88 community systems serve 1.1M
Violations, past 3 years
205
47% of active systems
Serious violators
4
8 systems carry a health flag
Largest counties
All 5 counties| County | People served | Systems | With violations |
|---|---|---|---|
| Providence | 642,123 | 169 | 71 |
| Washington | 187,463 | 179 | 89 |
| Kent | 186,351 | 42 | 23 |
| Newport | 94,159 | 44 | 17 |
| Bristol | 49,445 | 3 | 3 |
Largest community water systems
All 439 systems| System | Serves | Status |
|---|---|---|
| Providence-City of Providence County |
333,142 | |
| Pawtucket Water Supply Board Veolia-Na Providence County |
98,130 | |
| Kent County Water Authority Kent County |
94,107 | |
| Warwick-City of Kent County |
73,289 | |
| Bristol County Water Authority Bristol County |
49,000 | |
| East Providence-City of Providence County |
47,961 | |
| Woonsocket Water Division Providence County |
45,828 | |
| Newport-City of Newport County |
42,155 | |
| Westerly Water Department Washington County |
35,298 | |
| North Kingstown Town of Washington County |
27,732 |
About the Rhode Island data
Retrieved from EPA ECHO on Oct 11, 2026.