{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/lead-pipes/06820/","name":"Lead pipes for ZIP 06820 — Darien, CT","description":"Lead pipes data for ZIP 06820 (Darien, Connecticut), 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":"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":"06820","city":"Darien","state":"CT","stateFull":"Connecticut","county":"Fairfield County","countySlug":"fairfield-county","geo":{"latitude":41.0784,"longitude":-73.469}},"stateContext":{"topConcern":"Lead service lines, coastal flood","narrative":"Connecticut's older housing stock carries elevated LCRR-flagged lead service line risk in cities like Hartford, Bridgeport, New Haven. Coastal Long Island Sound communities sit in FEMA AE/VE zones with Risk Rating 2.0 premium pressure. School data via NCES splits between large municipal districts and small magnet/charter networks."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-15","canonicalUrl":"https://zipradar.org/topic/lead-pipes/06820/","zipDashboardUrl":"https://zipradar.org/zip/06820/","zipDashboardApiUrl":"https://zipradar.org/api/zip/06820/","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/06820/"}}