{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/lead-pipes/03801/","name":"Lead pipes for ZIP 03801 — Portsmouth (NH), NH","description":"Lead pipes data for ZIP 03801 (Portsmouth (NH), New Hampshire), 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":"03801","city":"Portsmouth (NH)","state":"NH","stateFull":"New Hampshire","county":"Rockingham County (NH)","countySlug":"rockingham-county","geo":{"latitude":43.0772,"longitude":-70.7626}},"stateContext":{"topConcern":"Radon, lead in older housing","narrative":"New Hampshire is uniformly Zone 1 radon. Older Manchester + Nashua + Portsmouth housing stock carries lead-service-line risk. Coastal flood zones limited to small NH coastline."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/lead-pipes/03801/","zipDashboardUrl":"https://zipradar.org/zip/03801/","zipDashboardApiUrl":"https://zipradar.org/api/zip/03801/","primarySourceUrl":"https://dwmaps.rti.org","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/lead-pipes/03801/"}}