{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/35203/","name":"Water quality for ZIP 35203 — Birmingham, AL","description":"Water quality data for ZIP 35203 (Birmingham, Alabama), 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":"35203","city":"Birmingham","state":"AL","stateFull":"Alabama","county":"Jefferson County","countySlug":"jefferson-county","geo":{"latitude":33.5186,"longitude":-86.8104}},"stateContext":{"topConcern":"Tornado risk + rural water systems","narrative":"Alabama sits in Dixie Alley with peak tornado activity in March-April. Coastal Mobile/Baldwin counties also carry FEMA-mapped storm-surge zones. Many rural water systems serve <500 connections, making EPA SDWIS compliance variability higher than in metro counties."},"radonZone":null,"airQuality":null,"waterQuality":{"primary":{"pwsid":"AL0000738","name":"CENTRAL ALABAMA WATER SYSTEM","populationServed":585000,"waterSource":"SW","violations":{"windowYears":3,"total":3,"healthBased":0,"latest":{"date":"2026-01-01","healthBased":false,"category":"MR","contaminant":"2950"}}},"systemCount":11,"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/35203/","zipDashboardUrl":"https://zipradar.org/zip/35203/","zipDashboardApiUrl":"https://zipradar.org/api/zip/35203/","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/35203/"}}