{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/lead-pipes/55811/","name":"Lead pipes for ZIP 55811 — Duluth, MN","description":"Lead pipes data for ZIP 55811 (Duluth, Minnesota), 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":"55811","city":"Duluth","state":"MN","stateFull":"Minnesota","county":"St. Louis County (MN)","countySlug":"st-louis-county","geo":{"latitude":46.7867,"longitude":-92.1005}},"stateContext":{"topConcern":"Radon Zone 1, lead in older Twin Cities housing","narrative":"Minnesota is uniformly Zone 1 radon. Twin Cities + Duluth carry LCRR lead-service-line obligations. Spring snowmelt flooding affects FEMA AE zones along the Red River + Minnesota River."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/lead-pipes/55811/","zipDashboardUrl":"https://zipradar.org/zip/55811/","zipDashboardApiUrl":"https://zipradar.org/api/zip/55811/","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/55811/"}}