{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/lead-pipes/53703/","name":"Lead pipes for ZIP 53703 — Madison, WI","description":"Lead pipes data for ZIP 53703 (Madison, Wisconsin), sourced from EPA LCRR + RTI National Lead Pipe Map.","topic":{"slug":"lead-pipes","label":"Lead pipes","source":"EPA LCRR + RTI National Lead Pipe Map","sourceUrl":"https://www.epa.gov/sourcewaterprotection/drinking-water-mapping-application-protect-source-waters-dwmaps","refreshCadence":"Quarterly as state primacy agencies report","summary":"Not on zipradar yet. The plan is the utility's reported count of lead, galvanized-requiring-replacement and unknown-material lines. Until then, your water utility's service line inventory has them.","limitations":"Coverage rolls out state-by-state through 2026-2027 per the federal timeline. Utilities with incomplete inventories are flagged rather than omitted."},"place":{"zip":"53703","city":"Madison","state":"WI","stateFull":"Wisconsin","county":"Dane County","countySlug":"dane-county","geo":{"latitude":43.0731,"longitude":-89.4012}},"stateContext":{"topConcern":"Lead pipes (Milwaukee), radon Zone 1","narrative":"Wisconsin is uniformly Zone 1 radon. LCRR lead-service-line obligations heaviest in Milwaukee, Madison, Green Bay. Lake Michigan shoreline erosion expands FEMA AE zones in some lakefront counties."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/lead-pipes/53703/","zipDashboardUrl":"https://zipradar.org/zip/53703/","zipDashboardApiUrl":"https://zipradar.org/api/zip/53703/","primarySourceUrl":"https://www.epa.gov/sourcewaterprotection/drinking-water-mapping-application-protect-source-waters-dwmaps","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/lead-pipes/53703/"}}