{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/04401/","name":"Water quality for ZIP 04401 — Bangor (ME), ME","description":"Water quality data for ZIP 04401 (Bangor (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 largest community water system on record for the ZIP's county, its PWSID and population served, and its health-based and total violations in the last 3 years. Lead and copper sampling results are not shown; your utility's annual water quality report (CCR) has them.","limitations":"Where a county has several water systems, zipradar shows the one serving the most people and says how many others are on record; yours may be a different one. Private well water is not covered."},"place":{"zip":"04401","city":"Bangor (ME)","state":"ME","stateFull":"Maine","county":"Penobscot County","countySlug":"penobscot-county","geo":{"latitude":44.8016,"longitude":-68.7712}},"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,"waterQuality":{"primary":{"pwsid":"ME0090110","name":"BANGOR WATER DISTRICT","populationServed":27298,"waterSource":"SW","violations":{"windowYears":3,"total":2,"healthBased":0,"latest":{"date":"2026-01-01","healthBased":false,"category":"MR","contaminant":"0200"}}},"systemCount":54,"caveat":"This is federal SDWIS reporting data for the community water system serving this county, not an address-level test result. Private well water is never covered by SDWIS. Where a county is served by multiple systems, this shows the one serving the most people."},"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/water-quality/04401/","zipDashboardUrl":"https://zipradar.org/zip/04401/","zipDashboardApiUrl":"https://zipradar.org/api/zip/04401","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/04401/"}}