{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/33139/","name":"Water quality for ZIP 33139 — Miami Beach, FL","description":"Water quality data for ZIP 33139 (Miami Beach, Florida), 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":"33139","city":"Miami Beach","state":"FL","stateFull":"Florida","county":"Miami-Dade County","countySlug":"miami-dade-county","geo":{"latitude":25.7907,"longitude":-80.13}},"stateContext":{"topConcern":"Hurricanes, sea-level rise, sinkholes","narrative":"Florida has the most extensive FEMA NFHL coverage in the US — coastal AE/VE zones plus inland AE driven by storm-surge modeling. Citizens Property Insurance Corp absorbs much of the high-risk private-market shedding. Radon risk concentrates in central FL limestone karst counties; sinkholes are tracked by FDEP separately."},"radonZone":null,"airQuality":null,"waterQuality":{"primary":{"pwsid":"FL4130871","name":"MDWASA - MAIN SYSTEM","populationServed":2377460,"waterSource":"GW","violations":{"windowYears":3,"total":6,"healthBased":0,"latest":{"date":"2024-04-01","healthBased":false,"category":"MR","contaminant":"2456"}}},"systemCount":25,"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/33139/","zipDashboardUrl":"https://zipradar.org/zip/33139/","zipDashboardApiUrl":"https://zipradar.org/api/zip/33139/","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/33139/"}}