PA Department of Environmental ProtectionThe conservation well layer identifies the permitted surface location of oil and gas conservation wells that have not been plugged. These include active, regulatory inactive, orphaned, and abandoned wells. A conservation well is any well which penetrates the Onondaga horizon, or in those areas in which the Onondaga horizon is nearer to the surface than thirty-eight hundred feet, any well which exceeds a depth of thirty-eight hundred feet beneath the surface.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/1275ca9b44c44bd0950e940859e167d3_91engPennsylvania Department of Environmental ProtectionPublicOil & Gas - Conservation Well Locations [Pennsylvania]Web servicesPennsylvaniaLast Modified: 2026-03-09