June 17, 2026
Nitrates in Rhode Island Drinking Water 2026
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Nitrates in Rhode Island Drinking Water 2026
Nitrates contamination has been detected in drinking water systems across Rhode Island. High nitrate levels cause methemoglobinemia (blue baby syndrome) in infants. EPA MCL is 10 mg/L. Our analysis of Rhode Island water quality reports found Nitrates present in 62 cities and water systems statewide. If you live in one of these communities, a certified home filter can significantly reduce your exposure -- browse Nitrates filters at PureWaterGuys.
Cities in Rhode Island with Nitrates Detected
The following 62 water systems in Rhode Island reported Nitrates in their annual water quality reports. Click any city to read the full report.
| City / Water System | Water Quality Report |
|---|---|
| Ashaway Ri Water Quality Report 2026 | View Report |
| Block Island Ri Water Quality Report 2026 | View Report |
| Boston Ri Water Quality Report 2026 | View Report |
| Bristol Ri Water Quality Report 2026 | View Report |
| Bronx Ri Water Quality Report 2026 | View Report |
| Canton Ri Water Quality Report 2026 | View Report |
| Charlestown Ri Water Quality Report 2026 | View Report |
| Chepachet Ri Water Quality Report 2026 | View Report |
| Coventry Ri Water Quality Report 2026 | View Report |
| Cranston Ri Water Quality Report 2026 | View Report |
| Cumberland Ri Water Quality Report 2026 | View Report |
| East Greenwich Ri Water Quality Report 2026 | View Report |
| East Providence Ri Water Quality Report 2026 | View Report |
| Exeter Ri Water Quality Report 2026 | View Report |
| Exeter West Greenwich Ri Water Quality Report 2026 | View Report |
| Foster Ri Water Quality Report 2026 | View Report |
| Glendale Ri Water Quality Report 2026 | View Report |
| Glocester Ri Water Quality Report 2026 | View Report |
| Greene Ri Water Quality Report 2026 | View Report |
| Greenville Ri Water Quality Report 2026 | View Report |
| Harwinton Ri Water Quality Report 2026 | View Report |
| Hope Valley Ri Water Quality Report 2026 | View Report |
| Jamestown Ri Water Quality Report 2026 | View Report |
| Jerusalem Ri Water Quality Report 2026 | View Report |
| Johnston Ri Water Quality Report 2026 | View Report |
| Kingston Ri Water Quality Report 2026 | View Report |
| Kingstown Ri Water Quality Report 2026 | View Report |
| Lincoln Ri Water Quality Report 2026 | View Report |
| Middletown Ri Water Quality Report 2026 | View Report |
| N Scituate Ri Water Quality Report 2026 | View Report |
| Narragansett Ri Water Quality Report 2026 | View Report |
| Newport Ri Water Quality Report 2026 | View Report |
| No Smithfield Ri Water Quality Report 2026 | View Report |
| North Kingstown Ri Water Quality Report 2026 | View Report |
| North Scituate Ri Water Quality Report 2026 | View Report |
| North Smithfield Ri Water Quality Report 2026 | View Report |
| Oakland Ri Water Quality Report 2026 | View Report |
| Pascoag Ri Water Quality Report 2026 | View Report |
| Pawtucket Ri Water Quality Report 2026 | View Report |
| Portsmouth Ri Water Quality Report 2026 | View Report |
| Providence Ri Water Quality Report 2026 | View Report |
| Prudence Island Ri Water Quality Report 2026 | View Report |
| Richmond Ri Water Quality Report 2026 | View Report |
| Rye Ri Water Quality Report 2026 | View Report |
| Saunderstown Ri Water Quality Report 2026 | View Report |
| Scituate Ri Water Quality Report 2026 | View Report |
| Slatersville Ri Water Quality Report 2026 | View Report |
| Smithfield Ri Water Quality Report 2026 | View Report |
| South Kingstown Ri Water Quality Report 2026 | View Report |
| Stamford Ri Water Quality Report 2026 | View Report |
| Tiverton Ri Water Quality Report 2026 | View Report |
| W Simsbury Ri Water Quality Report 2026 | View Report |
| Wakefield Ri Water Quality Report 2026 | View Report |
| Warren Ri Water Quality Report 2026 | View Report |
| Warwick Ri Water Quality Report 2026 | View Report |
| West Greenwich Ri Water Quality Report 2026 | View Report |
| West Kingston Ri Water Quality Report 2026 | View Report |
| Westerly Ri Water Quality Report 2026 | View Report |
| Westwood Ri Water Quality Report 2026 | View Report |
| Whitinsville Ri Water Quality Report 2026 | View Report |
| Woonsocket Ri Water Quality Report 2026 | View Report |
| Wyoming Ri Water Quality Report 2026 | View Report |
What Does This Mean For You?
Detecting Nitrates in your water supply does not necessarily mean immediate danger, but long-term exposure -- even at low levels -- carries measurable health risk. Reverse osmosis is the most effective method for removing nitrates from drinking water.
Our recommendation: View Nitrates filters certified for Rhode Island water conditions or take our free Water Finder Quiz to get a personalized recommendation.
Filter Nitrates From Your Rhode Island Tap Water
PureWaterGuys carries NSF-certified filters proven to reduce Nitrates and other contaminants found in Rhode Island water.
Shop Nitrates Filters Take the Water QuizFrequently Asked Questions
What is Nitrates?
High nitrate levels cause methemoglobinemia (blue baby syndrome) in infants. EPA MCL is 10 mg/L.
Is Rhode Island tap water safe to drink?
Water quality varies by city. Of the Rhode Island systems we analyzed, 62 detected Nitrates. Most levels are below EPA action thresholds, but long-term low-level exposure carries health risk. Check your city's report above or use a certified home filter as a precaution.
What filter removes Nitrates from tap water?
Reverse osmosis is the most effective method for removing nitrates from drinking water. See our Nitrates filter options.
Data sourced from EPA-mandated annual water quality reports (Consumer Confidence Reports). Last updated: 2026. Not all systems are required to test for every contaminant.