NPDES Permit for Haines Borough Wastewater Treatment Plant in Alaska

On December 5, 2024, EPA renewed its wastewater permits for publicly owned treatment works in Haines, Sitka, Skagway, and Wrangell. The renewed permits will become effective November 1, 2025. Read EPA's press release.

Below is EPA's National Pollutant Discharge Elimination System (NPDES) permit for the Haines Borough Wastewater Treatment Plant in Alaska. The facility discharges primary treated effluent to Portage Cove under a Clean Water Act section 301(h)-modified NPDES permit.

Permit number: AK0021385
Effective date: November 1, 2025
Permit expires: October 31, 2030

NPDES Permit, Haines Borough Wastewater Treatment Plant, #AK0021385 (pdf) (1014.5 KB, December 5, 2024)
Final 301(h)-modified wastewater permit.
Final 301(h) Decision Document, Haines Borough Wastewater Treatment Plant, #AK0021385 (pdf) (4.99 MB, November 15, 2024)
EPA's final decision on whether the facility continues to qualify for a Clean Water Act section 301(h)-modified permit to discharge primary treated effluent. Includes mixing zone dilution modeling.
Section 401 Water Quality Certification, Haines Borough Wastewater Treatment Plant, #AK0021385 (pdf) (438.66 KB, December 4, 2023)
State of Alaska's final Clean Water Act section 401 water quality certification for the marine water discharge of primary treated domestic wastewater.
Public Comments on Draft NPDES Permit, Haines Borough Wastewater Treatment Plant, #AK0021385 (pdf) (2.2 MB, December 2024)
Comments received on EPA's draft permit and tentative 301(h) decision during the public comment period from May 4, 2023, to July 3, 2023.
Response to Comments on Draft NPDES Permit for Haines Borough Wastewater Treatment Plant, #AK0021385 (pdf) (319.79 KB, December 2024)
EPA's responses to comments received during the public comment period for the draft permit and tentative 301(h) decision from May 4, 2023, to July 3, 2023.
NPDES Permit Fact Sheet, Haines Borough Wastewater Treatment Plant, #AK0021385 (pdf) (1.89 MB, May 2023)
Technical basis for the May 2023 draft permit.
Frequent Questions About 301(h) Facilities in Southeast Alaska (pdf) (211.93 KB, December 2024)
Answers to common questions regarding Clean Water Act 301(h)-modified permits for publicly owned wastewater treatment facilities in Southeast Alaska.