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The Draft Transmission Programmatic Environmental Impact Statement (EIS) was released on March 31, 2025. To review the document visit the Transmission PEIS webpage. 
There has been an extension to comment on the Draft PEIS until May 15th. If you would like to submit a comment visit our comment database: https://comments.efsec.wa.gov

There are two Special Meetings for the Carriger Solar project set for May 5th and May 6th. For more information, visit the Carriger Solar webpage. 

Columbia Generating Station / Compliance / docGroup / ENW Groundwater Monitoring Data

Columbia Generating Station - - Docket:180299

Process Type Document Group(s) Document link File Date Document Set
Compliance Letter
Columbia Generating Station Evaporation Pond Line Break Notification 06/07/2018 00008
Columbia Generating Station Evaporation Pond Line Break...
Compliance Report
Groundwater Mounding Study Scoping Calculations Report 09/06/2018 00022
Documents Related to NPDES Groundwater Mounding Study...