{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/lead-pipes/52240/","name":"Lead pipes for ZIP 52240 — Iowa City (IA), IA","description":"Lead pipes data for ZIP 52240 (Iowa City (IA), Iowa), 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":"52240","city":"Iowa City (IA)","state":"IA","stateFull":"Iowa","county":"Johnson County (IA)","countySlug":"johnson-county","geo":{"latitude":41.6611,"longitude":-91.5302}},"stateContext":{"topConcern":"Radon Zone 1, agricultural water nitrates","narrative":"Iowa is one of the highest-radon states in the US — uniformly Zone 1. Agricultural runoff drives EPA SDWIS nitrate violations in small rural systems and even Des Moines Water Works. Tornadoes peak April-June."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/lead-pipes/52240/","zipDashboardUrl":"https://zipradar.org/zip/52240/","zipDashboardApiUrl":"https://zipradar.org/api/zip/52240/","primarySourceUrl":"https://dwmaps.rti.org","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/lead-pipes/52240/"}}