Rhode Island Water Quality

Drinking water data for all 5 counties.

Avg Water Score

65.0

State Grade

C

Counties with Data

5

of 5 total

All Rhode Island Counties

CountyWater Score
Bristol County86.0
Kent County86.0
Providence County68.2
Newport County49.6
Washington County35.2

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Frequently Asked Questions

Which county in Rhode Island has the best water quality?
Bristol County has the highest water quality score in Rhode Island at 86.0/100 (Grade: A), based on EPA SDWIS data.
Which county in Rhode Island has the most water violations?
Washington County has among the lowest water quality scores in Rhode Island at 35.2/100. See the individual county page for detailed violation history.
Is the tap water safe to drink in Rhode Island?
Rhode Island has an average water quality score of 65.0/100 based on EPA Safe Drinking Water Act compliance data. Individual county scores vary — check your specific county's page for detailed information.
What contaminants are found in Rhode Island water supplies?
Drinking water quality varies by county and water system. The EPA Safe Drinking Water Information System (SDWIS) tracks violations for contaminants like lead, nitrates, bacteria, and disinfection byproducts. See individual county pages for specific contaminant and violation history.

Data Source

Water quality data sourced from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.

Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.