{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/water-quality/23510/","name":"Water quality for ZIP 23510 — Norfolk, VA","description":"Water quality data for ZIP 23510 (Norfolk, Virginia), 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":"23510","city":"Norfolk","state":"VA","stateFull":"Virginia","county":"Norfolk City","countySlug":"norfolk-city","geo":{"latitude":36.8505,"longitude":-76.2859}},"stateContext":{"topConcern":"Coastal flood (Hampton Roads), inland AE","narrative":"Virginia's Hampton Roads region (Norfolk, VA Beach, Newport News) carries dense FEMA VE/AE zones with rapid sea-level rise. Inland AE coverage along the James, Rappahannock, Potomac. Radon Zone 1-2 across most counties."},"radonZone":null,"airQuality":null,"waterQuality":{"primary":{"pwsid":"VA3710100","name":"NORFOLK, CITY OF","populationServed":234220,"waterSource":"SW","violations":{"windowYears":3,"total":1,"healthBased":0,"latest":{"date":"2024-02-01","healthBased":false,"category":"MR","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/23510/","zipDashboardUrl":"https://zipradar.org/zip/23510/","zipDashboardApiUrl":"https://zipradar.org/api/zip/23510/","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/23510/"}}