NPDES General Permit for Oil and Gas Exploration Facilities in Federal Waters of Cook Inlet

Current permit

Below is EPA's National Pollutant Discharge Elimination System (NPDES) general permit for oil and gas exploration facilities in federal waters of Cook Inlet off Alaska.

Permit number: AKG285100
Effective date: September 1, 2016
Permit expires: August 31, 2021 (administratively continued)

For permittees: For permit-related questions, please contact Abby Conner (conner.abigail@epa.gov). For compliance-related and enforcement-related notices or reports, please attach to Discharge Monitoring Report submittals in NetDMR (if this option is available), or otherwise submit to Jason Rodriguez (rodriguez.jason@epa.gov).

• NPDES General Permit, Cook Inlet Oil & Gas Exploration, #AKG285100 (pdf) (988.88 KB, July 29, 2015)
  Final permit.
• NPDES Permit Fact Sheet, Cook Inlet Oil & Gas Exploration, #AKG285100 (pdf) (383.58 KB, March 2013)
  Provides technical basis for NPDES permit.
• Ocean Discharge Criteria Evaluation, Cook Inlet Oil & Gas Exploration, #AKG285100 (pdf) (1.93 MB, 2013)
  Criteria that EPA must evaluate to ensure point source discharges do not cause unreasonable degradation to the marine environment.
• Response to Comments, Cook Inlet Oil & Gas Exploration, #AKG285100 (pdf) (359.23 KB, July 2015)
  EPA's responses to comments on the March 2013 draft permit.

Proposed permit

EPA is proposing to reissue this permit. A public notice requesting comments on the proposed permit was published in the Federal Register on August 7. Comments are due September 21. Copies of the draft permit and supporting documents are available below.

• Draft NPDES General Permit, Cook Inlet Oil & Gas Exploration, #AKG285100 (pdf) (2.09 MB, August 2026)
  Proposed permit for reissuance.
• NPDES Permit Fact Sheet, Cook Inlet Oil & Gas Exploration, #AKG285100 (pdf) (1 MB, August 2026)
  Technical basis for proposed permit.
• 2026 Ocean Discharge Criteria Evaluation, Cook Inlet Oil & Gas Exploration, #AKG285100 (pdf) (6.94 MB, August 2026)
  Criteria that EPA must evaluate to ensure point source discharges do not cause unreasonable degradation to the marine environment.

For questions, please contact Abby Conner (conner.abigail@epa.gov).