Rhode Island Tap Water Quality Report
Water quality grades, lead levels, and violation data for all 90 ZIP codes in Rhode Island
ZIP Codes
90
Health Violations (5yr)
73
Avg Safety Score
61/100
High Lead Risk ZIPs
75.6%
Overview: Drinking Water in Rhode Island
The tap water quality in Rhode Island currently sits near the national average, registering a composite safety score of 61/100 across 90 monitored ZIP codes. While a significant portion of the state maintains adequate water quality and full compliance with federal standards, 2% of ZIP codes in Rhode Island have received a failing grade due to recent compliance issues. Monitoring data from the EPA indicates that while the majority of residents receive safe tap water, localized issues remain a challenge for several municipal systems.
Over the past 5 years, water utilities in Rhode Island have recorded a total of 462 violations, of which 73 were strictly health-based. While administrative and reporting violations are common nationwide, health-based violations mean that certain contaminants exceeded the EPA's Maximum Contaminant Levels (MCLs) at some point. Rhode Island Department of Health, which acts as the primary regulatory authority in the state, typically works closely with these utilities to issue boil water advisories or mandate infrastructure upgrades when these limits are breached.
One of the most pressing concerns for Rhode Island residents is the elevated risk of lead exposure. EPA models and historical monitoring indicate that 75.6% of ZIP codes in Rhode Island are classified as High or Very High risk for lead. This is frequently associated with older housing stock built before the 1986 federal ban on lead pipes and solder. Residents living in older homes should strongly consider having their tap water independently tested and utilizing a certified NSF/ANSI 53 water filter for drinking and cooking.
Surface Water
60%
of ZIP codes
Total Violations
462
5-year record
Grade A ZIPs
0
0% of state
Grade F ZIPs
2
2% of state
Water Quality Grade Distribution in Rhode Island
How do Rhode Island's 90 ZIP codes stack up by water quality grade?
Water Quality by City in Rhode Island
Click any city to view ZIP code-level water quality reports
Providence
12 ZIPs
Warwick
4 ZIPs
Pawtucket
3 ZIPs
Cranston
3 ZIPs
Newport
2 ZIPs
Wakefield
2 ZIPs
Adamsville
1 ZIP
Albion
1 ZIP
Ashaway
1 ZIP
Barrington
1 ZIP
Block Island
1 ZIP
Bradford
1 ZIP
Bristol
1 ZIP
Carolina
1 ZIP
Charlestown
1 ZIP
Chepachet
1 ZIP
Clayville
1 ZIP
Coventry
1 ZIP
West Greenwich
1 ZIP
East Greenwich
1 ZIP
Exeter
1 ZIP
Fiskeville
1 ZIP
Forestdale
1 ZIP
Foster
1 ZIP
Glendale
1 ZIP
Greene
1 ZIP
Greenville
1 ZIP
Harmony
1 ZIP
Harrisville
1 ZIP
Hope
1 ZIP
Hope Valley
1 ZIP
Hopkinton
1 ZIP
Jamestown
1 ZIP
Kenyon
1 ZIP
Little Compton
1 ZIP
Manville
1 ZIP
Mapleville
1 ZIP
Middletown
1 ZIP
North Kingstown
1 ZIP
North Scituate
1 ZIP
๐ Highest Rated ZIP Codes in Rhode Island
โ Lowest Rated ZIP Codes in Rhode Island
Common Drinking Water Contaminants in Rhode Island
The following are common regulated contaminants found in Rhode Island drinking water based on EPA violation records. Click any contaminant to learn about EPA safety limits and health effects.
Source: EPA Safe Drinking Water Act Maximum Contaminant Level regulations. For the complete list of regulated contaminants and MCLs, see the Water Quality Safety Guide.
Frequently Asked Questions โ Rhode Island Drinking Water
Is tap water generally safe to drink in Rhode Island?+
What are the biggest water quality issues in Rhode Island?+
Who regulates and enforces drinking water standards in Rhode Island?+
Where does Rhode Island get its drinking water?+
How do I find the official water quality report for my home in Rhode Island?+
View All 90 ZIP Codes in Rhode Island
Browse EPA water quality data for every monitored ZIP code. For faster results, use the search bar above.