{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/78212/","name":"Water quality for ZIP 78212 — San Antonio (Alamo Heights), TX","description":"Water quality data for ZIP 78212 (San Antonio (Alamo Heights), Texas), 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 CWS serving the address, any health-based violations in the last 3 years, most recent lead and copper sampling result, and a link to the primary SDWIS record.","limitations":"Where a ZIP is served by multiple water systems, zipradar shows the dominant CWS by population served and lists alternates. Private well water is not covered."},"place":{"zip":"78212","city":"San Antonio (Alamo Heights)","state":"TX","stateFull":"Texas","county":"Bexar County","countySlug":"bexar-county","geo":{"latitude":29.4658,"longitude":-98.486}},"stateContext":{"topConcern":"Hurricanes (Gulf coast), flooding, drought","narrative":"Texas Gulf coast has the largest FEMA VE/AE coverage of any state. Inland flooding (Hurricane Harvey 2017) triggered FIRM panel revisions for Houston metro. Drought + induced seismicity affect EPA SDWIS compliance in West Texas. Tornado risk in the Panhandle."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/water-quality/78212/","zipDashboardUrl":"https://zipradar.org/zip/78212/","zipDashboardApiUrl":"https://zipradar.org/api/zip/78212/","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/78212/"}}