California EPA — DTSC Envirostor cleanup database + OEHHA CalEnviroScreen + DTSC HWTS. - searchEnvirostorSites ⭐ ~13.7K cleanup sites. 13 site_types. county UPPERCASE - searchCalEnviroScreen ⭐ ~8K census tracts. PiP via {lat, lon}. Filter minCIscoreP/minCIdecile - searchHazardousWasteFacilities ~107K HWTS RCRA handlers (G/T/TSDF). NO county - searchBrownfields = Envirostor scoped to Voluntary Cleanup + Calmortgage + School Cleanup - getServiceInfo upstream quirks: Authoritative owners only — DTSC_Admin (Envirostor + HWTS) on services3.arcgis.com/Oy2JTCD10wkoelxS, Kelsey.Ranjbar_OEHHA (CalEnviroScreen 4.0) on services1.arcgis.com/PCHfdHz4GlDNAhBb. No standalone Brownfields Feature Service exists; modeled via Envirostor site_type filter.
5 methodsFreshness not declaredColorado CDPHE — Front-Range air quality, hazardous waste, voluntary cleanup, Superfund. - searchAirQualitySites ⭐ ~15.7K APCD facilities + ~359 CCND monitors merged - searchVoluntaryCleanup ⭐ ~1.7K VCUP + NAD applications. AppStatus: APPROVAL (1465) / WITHDRAWN / DENIAL / PENDING - searchHazardousWasteFacilities ~6.1K RCRA handlers (Generator_Status: VSG/SQG/N/LQG) - searchSuperfundSites ~31 NPL sites, getServiceInfo upstream quirks: Multi-server (AGOL + cohealthmaps.dphe.state.co.us). maps.dphe.state.co.us native UNREACHABLE externally. Air facility schema lean (5 fields, NO County). VCUP fields abbreviated (CityNam, RV_Nmbr). RCRA County UPPERCASE, maxRecordCount=1000.
5 methodsFreshness not declaredNM Environment Department permits + remediation. Native ArcGIS REST FeatureServers, no auth. - searchGroundwaterDischargePermits ⭐ — Permian produced-water + UIC permits (~1.1K) - searchAirQualityPermits ⭐ — 7-class layer: major (default, ~37K) / minor / synthetic-minor / ... - searchHazardousWasteFacilities (21 RCRA-permitted sites, no county) - searchVoluntaryRemediation — VRP brownfield-style cleanups (~163) - getServiceInfo quirks: GWDP STATUS has 13 distinct values (Active / Pending / Ceased / Terminated / Withdrawn / Denied / ...). VRP STATUS dirty (Termin / ActIve / Closed / closed / Condit / Applic / CCOC) — case-insensitive. Air Facilities split across 7 FACILITY_CLASS layers; non-major returns millions of emission units, always pass county/bbox.
5 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: rcra