{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/lead-pipes/21401/","name":"Lead pipes for ZIP 21401 — Annapolis, MD","description":"Lead pipes data for ZIP 21401 (Annapolis, Maryland), 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":"21401","city":"Annapolis","state":"MD","stateFull":"Maryland","county":"Anne Arundel County","countySlug":"anne-arundel-county","geo":{"latitude":38.9784,"longitude":-76.4922}},"stateContext":{"topConcern":"Chesapeake flood, lead pipes","narrative":"Maryland has dense FEMA NFHL coverage along Chesapeake Bay tributaries. Baltimore City has extensive LCRR lead-service-line obligations and flagged EPA SDWIS compliance history. Radon Zone 1-2 across most counties."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/lead-pipes/21401/","zipDashboardUrl":"https://zipradar.org/zip/21401/","zipDashboardApiUrl":"https://zipradar.org/api/zip/21401/","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/21401/"}}