Alaska Online Public Notices #224132

Draft APDES Permit for Kuparuk Seawater Treatment Plant Wastewater Discharge

This opportunity concerns the proposed reissuance of an environmental discharge permit for the Kuparuk Seawater Treatment Plant in Alaska. - Government Buyer: - Alaska Department of Environmental Conservation (DEC) - Applicant/Operator: - ConocoPhillips Alaska, Inc. - Permit Details: - Alaska Pollutant Discharge Elimination System (APDES) Individual Permit - Regulates wastewater discharge from two outfalls: - Outfall 001: Strainer/Filter Backwash (authorized for chronic mixing zone for temperature change and total residual chlorine, and acute mixing zone for total residual chlorine) - Outfall 002: Marine Life Return System (authorized for chronic mixing zone for total residual chlorine) - Discharge location: Simpson Lagoon, Beaufort Sea - Facility Function: - Treats and distributes seawater for waterflood operations to maintain formation pressures for enhanced oil recovery - Notable Requirements: - Public invited to review and comment on the draft permit or request a public hearing - No products or services are being procured; this is a regulatory notice - OEMs/Vendors: - No OEMs or vendors are mentioned other than the applicant, ConocoPhillips Alaska, Inc.

Description

This notice announces the proposed issuance of an Alaska Pollutant Discharge Elimination System (APDES) Individual Permit for the Kuparuk Seawater Treatment Plant. The permit covers wastewater discharge into Simpson Lagoon, Beaufort Sea, including discharges from two outfalls with specified mixing zones for temperature change and total residual chlorine. The public notice period runs from June 10, 2026, to July 10, 2026, during which comments or requests for a public hearing can be submitted. The permit aims to regulate discharges related to waterflood operations for enhanced oil recovery.

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