{"generatedAt":"2026-07-17T11:57:02Z","facilityCount":2323,"coverage":{"methane":1311,"flood":2323,"enforcement":43,"demographics":2299,"capacity":1304,"gasSystem":2166,"ageEra":2024,"chemicals":814,"wind":0,"disasterHistory":2321,"nearbySchools":2323},"riskDistribution":{"extreme":0,"severe":0,"elevated":0,"moderate":33,"low":1683,"minimal":607},"sources":{"live":["EPA LMOP (facility universe + capacity/gas/age)","EPA GHGRP (methane)","FEMA NFHL (flood)","EPA ECHO (enforcement, also live at view-time)","Census ACS (demographics)","EPA TRI (off-site transfers / chemicals received)","FEMA OpenFEMA (county flood disaster history)","NCES CCD (public schools inside a site's own risk zones)"],"roadmap":["C1 liner system","C4 water proximity","D4 wind direction","UCMR5 PFAS","USGS/NHD water","NOAA wind"]},"note":"Live federal data. Facility universe + capacity, gas-collection and age/era factors from EPA LMOP; reported methane from EPA GHGRP Subpart HH; flood from FEMA NFHL; county-level FEMA flood-disaster history from FEMA OpenFEMA; enforcement from EPA ECHO (refreshed live when a facility report is opened); demographics from Census ACS where available; chemicals received via EPA TRI off-site transfers, joined by EPA FRS registry id; nearby public schools from NCES's Common Core of Data, counted inside each site's own risk zones. Factors without a reliable free nationwide API yet (liner detail, water proximity, wind direction, PFAS occurrence) are disclosed per-facility and contribute 0 to the score rather than being estimated."}