{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/01609/","name":"Water quality for ZIP 01609 — Worcester, MA","description":"Water quality data for ZIP 01609 (Worcester, Massachusetts), 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":"01609","city":"Worcester","state":"MA","stateFull":"Massachusetts","county":"Worcester County (MA)","countySlug":"worcester-county","geo":{"latitude":42.2626,"longitude":-71.8023}},"stateContext":{"topConcern":"Lead pipes, coastal flood, older housing","narrative":"Massachusetts has dense lead-service-line obligations under LCRR in Boston, Lowell, Worcester, Springfield. Coastal AE/VE zones along the South Shore + Cape. Older housing stock means lead-paint risk overlaps with LSL risk."},"radonZone":null,"airQuality":null,"waterQuality":{"primary":{"pwsid":"MA2348000","name":"WORCESTER DPWP, WATER SUPPLY DIVISION","populationServed":206518,"waterSource":"SW","violations":{"windowYears":3,"total":0,"healthBased":0,"latest":null}},"systemCount":110,"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/01609/","zipDashboardUrl":"https://zipradar.org/zip/01609/","zipDashboardApiUrl":"https://zipradar.org/api/zip/01609/","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/01609/"}}