Ohio ODNR DGS. Water wells + karst + ODNR seismic. - searchWaterWells (~651K) ⭐ filter county/aquiferType/wellUse/driller/yearFrom/yearTo/flowingOnly - searchEarthquakes (instrumental ~1.2K, historical ~1K, both) - searchKarstFeatures (~46.7K), getServiceInfo Spec drift: searchMineralLocations DROPPED — Mineral_Industry_Locations_AGOL returns HTTP 500 on every query (probed both MapServer/0 and FeatureServer/0). searchUSDWFeatures DROPPED 2026-09-08 — DGS_Services/USDW_Features/MapServer layers /2 and /4 return ArcGIS 404 Layer not found; the service now exposes only group layer 0 with empty sublayers. upstream quirks: COUNTY_DESC UPPERCASE; WELL_USE_DESC top values DOMESTIC=490K/MONITOR=42K; Karst POINT_TYPE has trailing whitespace upstream.
4 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: earthquakes