Pennsylvania DEP environmental — water, mining, hazardous waste, air. Same agency as pa-dep-oilgas, separate layers. - search303dImpairedStreams (~95K) ⭐ 303(d)-equivalent (impaired only). Filter use/cause/HUC - searchActMine ⭐ Anthracite + Bituminous + Industrial Mineral surface mine permits (~42K) - searchHazardousWasteSites (~16.9K Land Recycling Soil Media), searchAirEmissionSources (~61.3K), getServiceInfo upstream quirks: 303(d) layer 158 contains ONLY impaired streams (BLN_ATTAINED=N). Mining + Hazardous + Air layers have NO COUNTY column — silently dropped, use bbox/near or company/facility name. PERMIT_TYP freeform with 90+ values + typos. SITE_STATUS: ACTIVE / INACTIVE / ABANDONED / RECLAMATION COMPLETED / 'Unavaialble' [sic typo]. Air layer has only one PRIMARY_FACILITY_TYPE.
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: air-emissions