Water quality · Rhode Island
Water quality in Rhode Island
Water quality (EPA SDWIS) data for ZIP codes in Rhode Island. Pick a ZIP below to dive into the water quality summary.
Last verified 2026-05-13 · methodology
What lands here
Pages show the CWS serving the address, any health-based violations in the last 3 years, most recent lead and copper sampling result, and a link to the primary SDWIS record.
Source & refresh
EPA SDWIS. Refreshed quarterly (federal mandate). Primary source →
Rhode Island top concern
Coastal flood, lead pipes (Providence)
Rhode Island's coastline carries dense FEMA VE/AE zones. Providence + Pawtucket carry LCRR lead-service-line obligations. Older housing stock means lead-paint + LSL risk overlap.
See Rhode Island state page for the full state-level rollup across all 12 dimensions.
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Lead and Copper Rule 2024 — the federal lead-pipe inventory mandate
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