NPDES Permit for Petersburg Wastewater Treatment Plant in Alaska

Below is EPA's National Pollutant Discharge Elimination System (NPDES) 301(h)-modified permit for the Borough of Petersburg Wastewater Treatment Plant discharging to Frederick Sound in Alaska.

Current Permit

• Permit number: AK0021458
• Effective date: December 24, 2001
• Permit expired: December 26, 2006 (administratively continued)

• NPDES Permit, Petersburg Wastewater Treatment Plant, #AK0021458 (pdf) (210.78 KB, November 20, 2001)
  Final wastewater permit.
• NPDES Permit Fact Sheet, Petersburg Wastewater Treatment Plant, #AK0021458 (pdf) (437.17 KB, August 2001)
  Technical basis for permit.
• Response to Comments on Draft NPDES Permit, Petersburg Wastewater Treatment Plant, #AK0021458 (pdf) (22.95 KB, November 2001)
  EPA's responses to public comments on its August 2001 draft permit.

Proposed Permit

EPA is proposing to reissue this permit. Copies of the draft permit, 301(h) Tentative Decision, technical fact sheet, and other supporting documents are available below. EPA is accepting public comments on the draft permit and 301(h) Tentative Decision from August 8 through September 23, 2024.

• Draft NPDES Permit, Borough of Petersburg Wastewater Treatment Plant, #AK0021458 (pdf) (994.47 KB, August 2024)
  Proposed 301(h)-modified wastewater permit.
• NPDES Permit Fact Sheet, Borough of Petersburg Wastewater Treatment Plant, #AK0021458 (pdf) (2.68 MB, August 2024)
  Technical basis for draft permit.
• 301(h) Tentative Decision Document, Borough of Petersburg Wastewater Treatment Plant, #AK0021458 (pdf) (2.67 MB, August 2024)
  EPA's tentative decision on whether the Borough of Petersburg Wastewater Treatment Plant continues to qualify for a 301(h)-modified permit.
• Mixing Zone Dilution Modeling for Six Alaska POTWs (pdf) (2.09 MB, August 5, 2021)
  Mixing zone dilution analysis of discharges from six 301(h) publicly-owned wastewater treatment facilities in southeast Alaska (Haines, Ketchikan, Petersburg, Sitka, Skagway, Wrangell).