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EFSEC Document Search

Filter documents by Facility or Post Date.
Format: 01/16/2025
Format: 01/16/2025
Document Groupsort ascending Document Name File Date
Columbia Generating Station Original SCA with Attachments 05/16/1972
Columbia Generating Station Resolution 214 (Amended) - Analyze and present pre-operational aquatic data 11/08/1982
Columbia Generating Station Resolution 332 - Amendment 1 03/15/2023
Columbia Generating Station Resolution 299 Columbia Genearating Station Cooling System Sediment Disposal (with cover letter) 08/13/2001
Columbia Generating Station Order 658 Regarding Notice of Violation 10/14/1991
Columbia Generating Station NPDES Permit Effective dates 05/25/2006 - 05/25/2011 05/25/2006
Columbia Generating Station SCA_Amnd1 09/25/1975
Columbia Generating Station Resolution 209 - Mitigate Fishery Loss during testing of WNP-2 water intake facility 08/09/1982
Columbia Generating Station 001_Energy Northwest 03/16/2023
Columbia Generating Station Resolution 296 Hanford Wildlife Mitigation Project Rattlesnake Slope Rehabilitation 11/13/2018
Columbia Generating Station Order 655 Regarding Notice of Violation 09/25/1989
Columbia Generating Station NPDES Permit Effective dates 4/9/2001 - 4/9/2006 04/09/2001
Columbia Generating Station NPDES Permit Modification Fact Sheet Amendment No.2 03/19/2019
Columbia Generating Station SCA Amendment 2 dated 03/18/1982 03/18/1982
Columbia Generating Station Resolution 201 (Amended) - Approval of the use of Calgon Corporation water treatment chemicals 01/25/1982
Columbia Generating Station 002_Department of Natural Resources 03/23/2023
Columbia Generating Station Resolution 295 Energy Northwest Dry Cask Storage Facility 09/11/2000
Columbia Generating Station Order 651 Regarding Notice of Violation and Penalty 12/10/1984
Columbia Generating Station NPDES Permit Effective Dates 09/30/2014 - 10/31/2019 11/01/2014
Columbia Generating Station Order 875 Letter - Recommendation to Close EFSEC Order 875 (Storm Drain Decommissioning Unit License) 10/20/2016

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