{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/70112/","name":"Water quality for ZIP 70112 — New Orleans, LA","description":"Water quality data for ZIP 70112 (New Orleans, Louisiana), 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":"70112","city":"New Orleans","state":"LA","stateFull":"Louisiana","county":"Orleans Parish","countySlug":"orleans-parish","geo":{"latitude":29.9577,"longitude":-90.0783}},"stateContext":{"topConcern":"Hurricanes, subsidence, lead service lines","narrative":"Louisiana has extensive FEMA AE/VE coverage along the Gulf and Mississippi Delta. Subsidence in southeastern LA accelerates flood risk faster than FIRM panel revisions can capture. New Orleans + Baton Rouge both carry significant LCRR lead-service-line obligations."},"radonZone":null,"airQuality":null,"waterQuality":{"primary":{"pwsid":"LA1071009","name":"NEW ORLEANS CARROLLTON WATER WORKS","populationServed":334903,"waterSource":"SW","violations":{"windowYears":3,"total":1,"healthBased":1,"latest":{"date":"2025-01-01","healthBased":true,"category":"TT","contaminant":"0300"}}},"systemCount":1,"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/70112/","zipDashboardUrl":"https://zipradar.org/zip/70112/","zipDashboardApiUrl":"https://zipradar.org/api/zip/70112/","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/70112/"}}