{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/74133/","name":"Water quality for ZIP 74133 — Tulsa (S Memorial), OK","description":"Water quality data for ZIP 74133 (Tulsa (S Memorial), Oklahoma), 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":"74133","city":"Tulsa (S Memorial)","state":"OK","stateFull":"Oklahoma","county":"Tulsa County","countySlug":"tulsa-county","geo":{"latitude":36.0526,"longitude":-95.8788}},"stateContext":{"topConcern":"Tornadoes, induced seismicity, water-supply","narrative":"Oklahoma sits in the heart of Tornado Alley. Induced seismicity (oil/gas wastewater injection) has flagged some EPA SDWIS small systems. Radon risk is Zone 1-2 across most counties."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/water-quality/74133/","zipDashboardUrl":"https://zipradar.org/zip/74133/","zipDashboardApiUrl":"https://zipradar.org/api/zip/74133/","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/74133/"}}