{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/lead-pipes/20815/","name":"Lead pipes for ZIP 20815 — Chevy Chase, MD","description":"Lead pipes data for ZIP 20815 (Chevy Chase, 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://dwmaps.rti.org","refreshCadence":"Quarterly as state primacy agencies report","summary":"Pages show the utility's reported count of lead, galvanized-requiring-replacement, and unknown-material lines, plus the state's reporting compliance status.","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":"20815","city":"Chevy Chase","state":"MD","stateFull":"Maryland","county":"Montgomery County (MD)","countySlug":"montgomery-county","geo":{"latitude":38.9803,"longitude":-77.0814}},"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,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/lead-pipes/20815/","zipDashboardUrl":"https://zipradar.org/zip/20815/","zipDashboardApiUrl":"https://zipradar.org/api/zip/20815/","primarySourceUrl":"https://dwmaps.rti.org","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/lead-pipes/20815/"}}