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Columbia Generating Station Permits

State Waste Discharge Permit

2023 Draft NPDES

An online comment campaign will be open from February 16, 2023 to March 18, 2023. Please submit your written comments to the EFSEC comment database: https://comments.efsec.wa.gov/

NPDES 2023

Document Titlesort descending Document Date
Columbia Generating Station NPDES Fact Sheet Draft 02/16/2023
Columbia Generating Station NPDES Permit Draft 02/16/2023
Columbia Generating Station NPDES Permit Draft Notice 02/16/2023

 

Current NPDES

NPDES Modification 2019

Document Titlesort descending Document Date
2019 NPDES Permit Modification 03/19/2019
Application for Renewal of NPDES Permit No. WA002515-1 04/30/2019
NPDES Administrative Extension 09/13/2019
NPDES Permit Modification Fact Sheet Amendment No.2 03/19/2019
NPDES Permit Modification Fact Sheet Errata No. 2 03/19/2019

Past NPDES

NPDES

Document Titlesort descending Document Date
NPDES Permit Effective dates 05/25/2006 - 05/25/2011 05/25/2006
NPDES Permit Effective Dates 09/30/2014 - 10/31/2019 11/01/2014
NPDES Permit Effective dates 4/9/2001 - 4/9/2006 04/09/2001