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 declaredPennsylvania DEP Bureau of Oil & Gas Management. PA's quirk: O&G regulator lives under DEP. - searchWells (~25K Unconv + ~199K Conv) ⭐ filter county/operator/status/wellType/wellConfig/wellCategory - searchPermits ⭐ wells with PERMIT_DATE in window (default unconv, last 365d) - getWellByApi, searchOrphanedWells (~27K), searchViolationsAndComplaints, getServiceInfo upstream quirks: PA does NOT use 14-digit API — wells keyed by PERMIT_NUMBER like '003-22621'. WELL_STATUS: Active / Plugged OG Well / Operator Reported Not Drilled / DEP Orphan List. WELL_CONFIG: Vertical (199K conv) / Horizontal (23K unconv) / Deviated. DEP does NOT publish violations Feature Service — Complaints (~39K) used as proxy. Production NOT a Feature Service (XML only) — dropped.
6 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: pa-dep