NPDES Permit for Whidbey Island Naval Air Station Ault Field Wastewater Treatment Plant in Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for the U.S. Naval Air Station Whidbey Island Ault Field wastewater treatment plant discharging to the Strait of Juan de Fuca in Oak Harbor, Washington.

• Permit number: WA0003468
• Effective date: March 1, 2011
• Permit expires: February 28, 2016 (administratively extended)

• NPDES Permit for Naval Air Station Whidbey Island Seaplane Base Lagoon

• NPDES Permit, Whidbey NAS Ault Field, #WA0003468 (pdf) (234.11 KB, February 1, 2011)
  Final permit.
• NPDES Permit Fact Sheet, Whidbey NAS Ault Field, #WA0003468 (pdf) (3.02 MB, November 2008)
  Provides technical basis for NPDES permit.
• Response to Comments, Whidbey NAS Ault Field, #WA0003468 (pdf) (250.97 KB, May 24, 2010)
  EPA's responses to comments on the 2008 draft NPDES permit.