Question 1

Which county in Rhode Island has the best water quality?

Accepted Answer

Bristol County has the highest water quality score in Rhode Island at 100.0/100 (Grade: A), based on EPA SDWIS data.

Question 2

Which county in Rhode Island has the most water violations?

Accepted Answer

Washington County has among the lowest water quality scores in Rhode Island at 99.8/100. See the individual county page for detailed violation history.

Question 3

Is the tap water safe to drink in Rhode Island?

Accepted Answer

Rhode Island has an average water quality score of 99.9/100 based on EPA Safe Drinking Water Act compliance data. Individual county scores vary — check your specific county's page for detailed information.

Question 4

What contaminants are found in Rhode Island water supplies?

Accepted Answer

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.

County	Water Score	Grade	Violations	Violation Rate
Bristol County	100.0	A	0	0.0%
Kent County	100.0	A	0	0.0%
Providence County	100.0	B	11	1.8%
Newport County	99.9	D	15	17.1%
Washington County	99.8	F	67	46.1%

Rhode Island Water Quality

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