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Keystone Landfill

Keystone Landfill Air Quality Plan Approval

Air Quality plan approval which allows Keystone Landfill to continue to utilize the existing flares (5 enclosed and 3 portable) on the landfill property to control landfill gas (methane) generated by landfill operations and send the generated landfill gas to the Assai gas plant on site to be processed into pipeline quality gas (renewable natural gas).

Archaea Energy Air Quality Plan Approval

Air Quality plan approval which allows Archaea Energy to construct and operate the Assai Energy gas processing facility on Keystone Landfill property. This permit allows Assai to convert the landfill gas to renewable natural gas.

Phase III Major Permit Modification

This allows Keystone Landfill to expand on its existing facility in the boroughs of Dunmore and Throop in Lackawanna County and increase its disposal capacity.

Site Background

The Keystone Landfill is a 714-acred landfill that applied for a major permit modification in 2014 to expand its facility on its existing permitted area of 345-acres in the Boroughs of Dunmore and Throop in Lackawanna County.

Resources and Links

Keystone Landfill's response to department’s second Technical Deficiency Letter from February 2021.

Keystone Landfill Second Technical Deficiency Letter

  • Keystone Landfill Technical Deficiency Letter (Technical Review Phase)
    The Department’s Technical Deficiency Letter as part of the technical review phase of Keystone Landfill’s 2014 permit application for expansion. The letter requests more information from the landfill owner so the department can proceed with a review of the application.

Keystone Landfill Response to DEP 2019 Environmental Assessment

DOH/ATSDR Health Consultation Report

 Permit Application for Expansion (2014/15)