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NPDES General Permit for Tribal Marine Net Pen Enhancement Facilities in Washington

Permittees: Because of COVID-19 response, access to the Region 10 EPA building is limited. Please use the new electronic tool (Central Data Exchange) for submitting Notices of Intent (NOIs) or updated NOIs. Please send any other permit-related notices (e.g., notice to transfer or terminate coverage) to Martin Merz ( Please send compliance-related and enforcement-related notices or reports to Jason Rodriguez (

Below is EPA's National Pollutant Discharge Elimination System (NPDES) general permit and supporting documents for tribal marine net pen enhancement facilities within the boundaries of the state of Washington.

Permit number: WAG132000
Effective date: November 1, 2015
Modified: February 1, 2020

Permit expires: October 31, 2020

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