On October 9, 2026, the Department of Environmental Protection did routine inspections of three Keystone Crude LLC conventional wells in Moon Township, Allegheny County and found them all abandoned and not plugged.
DEP found each of the wells were disconnected from production equipment and had not reported any production since 2011, although their annual production, waste and well integrity reports were submitted.
Multiple violations were issued and a written response was requested by October 30.
Click Here for DEP inspection reports + photos for M. Weisenberger 4, M. Weisenberger 5, and M. Weisenberger 6.
Other Violations
August 4, 2026 follow-up inspections by the Department of Environmental Protection of three Keystone Crude LLC conventional gas well sites in North Fayette and Robinson townships, Allegheny County found the owner is making progress in addressing spills and releases at the sites dating back to June 11, 2024. Read more here.
Keystone Crude LLC holds 34 permits.
Report Violations
To report oil and gas violations or any environmental emergency or complaint, visit DEP’s Environmental Complaint webpage.
Text photos and the location of abandoned wells to 717-788-8990.
Check These Resources
Visit DEP’s Compliance Reporting Database and Inspection Reports Viewer webpages to search their compliance records by date and owner.
Sign up for DEP’s eNOTICE service which sends you information on oil and gas and other permits submitted to DEP for review in your community.
Use DEP’s Oil and Gas Mapping Tool to find if there are oil and gas wells near or on your property and to find wells using latitude and longitude on well inspection reports.
[Note: If you believe your company was listed in error, contact DEP’s Oil and Gas Program.]
[Note: These may not be all the NOVs issued to oil and gas companies during this time period. Additional inspection reports may be added to DEP’s Oil and Gas Compliance Database.]
PA Weekly Oil & Gas Compliance Snapshot - October 17 to 23
-- DEP - Day 119: Contaminated Water Discharges Continue, Failure To Comply With Cleanup Order At Equitrans Water SVC [EQT] Richter Impoundment In Greene County [PaEN]
-- DEP: Routine Inspections Finds 3 Keystone Crude LLC Abandoned, Unplugged Conventional Gas Wells In Allegheny County [PaEN]
-- DEP: Contaminated Water Tank Failed Causing Release At Diversified Production LLC Conventional Oil & Gas Well Site In Warren County [PaEN]
-- DEP: Contaminated Water Release Discovered At Deer Run Oil & Gas LLC Conventional Oil & Gas Well Site In Crawford County
-- DEP: EQT Production Site Prep For Well Plugging Leads To Significant Well Pad, Access Road Erosion Violations In Fayette County [PaEN]
[Posted: October 21, 2026] PA Environment Digest
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