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DEP Approves Permit for Underground Injection Well in Allegheny County


Pittsburgh, PA – The Pennsylvania Department of Environmental Protection (DEP) has approved an underground injection control (UIC) well for disposal of wastewater associated with oil and natural gas production. Penneco’s Sedat #3A well is located in Plum Borough, Allegheny County. 

In addition to the permit application, DEP reviewed Penneco’s submitted erosion and sedimentation control plan, control and disposal plan, well records and mechanical integrity assessment, application submitted to EPA, approved EPA permit, and public comments. DEP held a public hearing on the application on October 1, 2018 in Plum Borough and received testimony from more than 40 individuals that was incorporated into a comment response document. 

Permit issuances are required from both DEP and U.S. Environmental Protection Agency (EPA) in order to operate a UIC well. On March 7, 2018, EPA the issued an underground injection control permit, allowing the company to inject wastewater into the well pending DEP issuance of a permit to change the well’s use from production to disposal. On March 13, 2018, Penneco submitted an application to DEP to change the use of the Sedat #3A Well to allow disposal. 

This permit includes special conditions for monitoring and reporting including seismic monitoring to ensure early detection of even minor seismic events. Prior to the Sedat #3A well’s use as a disposal well, Penneco is required to apply for and obtain a permit to change the use of the nearby Sedat #1 well to a monitoring well.

For more information and the associated documents, visit DEP’s UIC webpage

MEDIA CONTACT: Lauren Fraley, 412-442-4203

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