{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/03301/","name":"Water quality for ZIP 03301 — Concord, NH","description":"Water quality data for ZIP 03301 (Concord, New Hampshire), 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":"03301","city":"Concord","state":"NH","stateFull":"New Hampshire","county":"Merrimack County","countySlug":"merrimack-county","geo":{"latitude":43.2081,"longitude":-71.5376}},"stateContext":{"topConcern":"Radon, lead in older housing","narrative":"New Hampshire is uniformly Zone 1 radon. Older Manchester + Nashua + Portsmouth housing stock carries lead-service-line risk. Coastal flood zones limited to small NH coastline."},"radonZone":null,"airQuality":null,"waterQuality":{"primary":{"pwsid":"NH0501010","name":"CONCORD WATER DEPT","populationServed":44215,"waterSource":"SW","violations":{"windowYears":3,"total":0,"healthBased":0,"latest":null}},"systemCount":63,"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/03301/","zipDashboardUrl":"https://zipradar.org/zip/03301/","zipDashboardApiUrl":"https://zipradar.org/api/zip/03301/","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/03301/"}}