Private Well Water Testing in Rhode Island
County-by-county USGS area-risk estimates for private wells across Rhode Island — arsenic exceedance probability and private-well population — plus how to test your own well at a Rhode Island-certified laboratory.
Rhode Island private-well risk summary
Counties covered
5
Rhode Island counties with modeled risk data.
People on private wells
area estimate100,082
estimated across covered Rhode Island counties.
Average arsenic risk
area estimate7%
average modeled chance a well exceeds 10 µg/L arsenic across covered counties.
Rhode Island counties
- Providence County6% arsenic exceedance (area estimate)45,579 people on private wells
- Washington County6% arsenic exceedance (area estimate)25,146 people on private wells
- Kent County6% arsenic exceedance (area estimate)13,020 people on private wells
- Newport County8% arsenic exceedance (area estimate)12,368 people on private wells
- Bristol County8% arsenic exceedance (area estimate)3,969 people on private wells
Find a Rhode Island-certified testing lab
Get your well tested at a Rhode Island-certified laboratory. We list certification programs by state.
These figures are USGS area estimates: statistical groundwater models describing how likely elevated contaminant levels are across a county. They are not designed to predict the concentration in any single well. Only testing your own well reveals its water quality.
By TapWaterData Editorial
Stay Informed About Your Water Quality
Get EPA reports, filter recommendations, and safety alerts for your area.
Join 10,000+ people protecting their families. Unsubscribe anytime.