Columbia Generating Station Permits

NPDES Modification 2019

Document Title	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

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