DEP Invites Comments on Hyperion Midstream Pipeline Erosion Permit

The pipeline project will impact Pucketa Creek in Upper Burrell Township, Westmoreland County.

Apr. 3, 2026 at 8:38pm

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An abstract painting in muted earth tones featuring sweeping geometric shapes, concentric circles, and precise botanical spirals, representing the interconnected natural and industrial elements involved in the Hyperion Midstream pipeline project.A complex web of pipelines, waterways, and geological formations illustrates the environmental considerations surrounding the Hyperion Midstream pipeline project in Westmoreland County.Today in Pittsburgh

The Pennsylvania Department of Environmental Protection has published a notice in the PA Bulletin inviting public comments on a Chapter 102 Erosion and Sedimentation Permit for the Hyperion Midstream LLC [EQT Corp] pipeline project between the Selene and Hephaestus shale gas well pads in Upper Burrell Township, Westmoreland County. The deadline for comments is May 4.

Why it matters

The pipeline project will impact Pucketa Creek, a local waterway, raising concerns about potential environmental effects that the public can provide input on during the comment period.

The details

The pipeline project will cross Pucketa Creek, but the DEP notice does not provide any additional details about the scope or scale of the project. Interested parties can review the application materials and submit comments to the DEP Southwest Regional Office.

  • The DEP published the notice in the April 4 PA Bulletin.
  • The deadline for public comments is May 4, 30 days from the notice.

The players

Department of Environmental Protection

The state environmental agency that is overseeing the public comment process for the Hyperion Midstream pipeline project's erosion and sedimentation permit.

Hyperion Midstream LLC

A subsidiary of EQT Corp that is proposing the pipeline project between the Selene and Hephaestus shale gas well pads.

EQT Corp

The parent company of Hyperion Midstream LLC, which is developing the pipeline project.

Pucketa Creek

The local waterway that will be impacted by the Hyperion Midstream pipeline project in Upper Burrell Township, Westmoreland County.

Upper Burrell Township

The township in Westmoreland County where the Hyperion Midstream pipeline project is located.

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What’s next

No hearing has been scheduled, but one may be requested. Interested parties can make an appointment to review the application materials or submit comments to the DEP Southwest Regional Office.

The takeaway

This public comment period provides an opportunity for local residents and stakeholders to review the details of the Hyperion Midstream pipeline project and provide input to the DEP on potential environmental impacts to Pucketa Creek and the surrounding area.