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 declared
Knowledge
Know your data sources.
The public data contract for every source PatchOps exposes over MCP: provenance, freshness, coverage, caveats, and per-method schemas. Also available as JSON at /api/knowledge/data-sources.
tag: spar