Alaska DEC — Spill Prevention & Response (SPAR) contaminated-sites database. Active spills, cleanup-complete sites, LUST (leaking underground storage tank), institutional-controls overlay. - searchContaminatedSites ⭐ ~8.8K sites. Filter borough/siteName/status/lustOnly/city/staff/ancsaOnly - getSiteById, getServiceInfo §0 decision: SPAR_Internal/Contaminated_Sites_Plus requires auth (HTTP 200 + error 499 "Token Required") — DROPPED. Public layer is the floor. upstream quirks: AK borough names sometimes truncated upstream ("Skagway Yakutat Ango", "Prince Wales Ketchik"). Status only 4 values (Cleanup Complete 4596, Active 2469, Cleanup Complete-IC 1275, Informational 462). LUST_Site is Yes/No string — 2,631 of 8,802 are LUST sites. Native CRS 3338.
3 methodsFreshness not declaredIllinois EPA site remediation, leaking USTs, landfills, brownfields, and federal-facility cleanup via geoservices.epa.illinois.gov. - searchSiteRemediation ⭐ ~6.6K SRP cleanup sites with County + SiteType (64 distinct) - searchLeakingUST ⭐ ~31.3K LUST sites — NO county column upstream - searchLandfills ⭐ ~1041 landfills across 6 status-typed layers - searchBrownfields, searchFederalFacilities, getServiceInfo §0: Environmental/LeakingUST and Environmental/IEPA_BOL_SiteRemediationProgram are DEAD (layers=[], 500s). Live equivalents: Land/LeakingUST, Land/SrpSites. FederalFacilities canonical is layer 1 (parent 0 is group). Active 0/1 ↔ SiteActive Yes/No same partition. All four services in EPSG:4326.
6 methodsFreshness not declaredIndiana IDEM Superfund, cleanup, voluntary remediation, hazardous waste, LUST, brownfields, solid-waste via gisdata.in.gov state Hub. - searchSuperfundSites ⭐ ~85 federal NPL & SF list (program=SF) - searchCleanupSites ⭐ ~1.5K State Cleanup Sites (program=SC) - searchVoluntaryRemediation ⭐ ~653 VRP sites (program=VR) - searchBrownfields (~2.3K w/ county), searchHazardousWasteSites, searchLustSites, searchSolidWasteFacilities §0: maps.indiana.edu (build-plan brief) is unreachable (TCP timeout). Canonical data on gisdata.in.gov Hosted/IDEM_Land_Sites — IDEM/ folder requires auth. Layers 1500/1600/1800/1900/2300 share schema and have NO county column (municipality only); 1100 + 1000 have county. agency_interest_id is Double.
8 methodsFreshness not declared
