# Alaska Online Public Notices #POA-2022-00357 v1.0

Public comment notice for TAPS Sagavanirktok River bank erosion mitigation certification

**Posted:** October 08, 2026
**Respond By:** November 07, 2026
**Identifier:** POA-2022-00357 v1.0

The Alaska Department of Environmental Conservation is seeking public comment on a water-quality certification for erosion mitigation along the Trans Alaska Pipeline System in Alaska.
- **Government buyer:** Alaska Department of Environmental Conservation (DEC); no sub-agency or office is identified. The U.S. Army Corps of Engineers is also referenced in connection with the permit.
- **Applicant/project proponent:** Alyeska Pipeline Service Company. This is a regulatory review and public-comment notice, not a procurement for goods or services.
- **Project:** Restore and widen an eroding buffer between an inactive gravel pit and the Sagavanirktok River near TAPS Pipeline Milepost 20, North Slope Borough, to protect the shallow-buried pipeline.
- **Materials described in the application:** 16,000 cubic yards of alluvial gravel and 750 cubic yards of riprap; approximately 2 acres of waters would be filled. A related Corps notice describes different quantities, including about 10,000 cubic yards of gravel discharge and 9,500 cubic yards placed, and possible impacts extending up to 9 acres.
- **Work and safeguards:** Mine nearby in-situ gravel, place gravel and riprap, and install short buried rock sills. Work is planned for low-water conditions with setbacks, sediment controls, limited access, and removal of temporary ramps and restoration of disturbed areas.
- **Named OEMs:** None identified. Alyeska Pipeline Service Company is the applicant, not an identified product manufacturer.
- **Timing:** The project narrative anticipates approximately 12 days of construction. No annual subscription or option years are stated.

### Description

The Alaska Department of Environmental Conservation notice concerns an application for Clean Water Act Section 401 water quality certification related to the Trans Alaska Pipeline System Bank Erosion Mitigation project at Pipeline Milepost 20. The project would restore an eroding buffer between an inactive gravel pit and the Sagavanirktok River to protect the shallow-buried pipeline, using alluvial gravel and short buried rock sills. Proposed work includes gravel mining and discharge, installation of gravel and riprap structures, and temporary access ramps that will be removed after construction, with affected areas restored. The notice states that impacts could involve up to 9 acres of the river and invites comments or hearing requests by November 6, 2026.

[View original listing](https://aws.state.ak.us/OnlinePublicNotices/notices/View.aspx?id=225447)