{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/04240/","name":"Water quality for ZIP 04240 — Lewiston (ME), ME","description":"Water quality data for ZIP 04240 (Lewiston (ME), Maine), sourced from EPA SDWIS.","topic":{"slug":"water-quality","label":"Water quality","source":"EPA SDWIS","sourceUrl":"https://www.epa.gov/ground-water-and-drinking-water/safe-drinking-water-information-system-sdwis-federal-reporting","refreshCadence":"Quarterly (federal mandate)","summary":"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.","limitations":"Where a ZIP is served by multiple water systems, zipradar shows the dominant CWS by population served and lists alternates. Private well water is not covered."},"place":{"zip":"04240","city":"Lewiston (ME)","state":"ME","stateFull":"Maine","county":"Androscoggin County","countySlug":"androscoggin-county","geo":{"latitude":44.1004,"longitude":-70.2148}},"stateContext":{"topConcern":"Radon, lead in older housing, coastal flood","narrative":"Maine has Zone 1 radon statewide. Older housing stock carries lead-paint + lead-service-line risk in Portland, Lewiston, Bangor. Coastal AE/VE FEMA zones face Risk Rating 2.0 premium increases."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/water-quality/04240/","zipDashboardUrl":"https://zipradar.org/zip/04240/","zipDashboardApiUrl":"https://zipradar.org/api/zip/04240/","primarySourceUrl":"https://www.epa.gov/ground-water-and-drinking-water/safe-drinking-water-information-system-sdwis-federal-reporting","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/water-quality/04240/"}}