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State Environment Policy Act (SEPA)

SEPA is a Washington state policy that requires state and local agencies to consider the likely environmental consequences of a proposal before approving or denying the proposal.

Jennings Park Substation

SEPA Checklist SEPA Checklist
SEPA Determination of Non-Significance SEPA Determination of Non-Significance
SEPA Legal Notice SEPA Legal Notice

Portage Substation Addendum

SEPA Notice Letter SEPA Notice Letter
SEPA Checklist SEPA Checklist
SEPA DNS SEPA DNS
SEPA Addendum SEPA Addendum

Twin City Pole Yard, Stanwood

SEPA DNS SEPA DNS
SEPA Checklist SEPA Checklist
Critical Area Report Critical Area Report
Cultural Resources Assessment Cultural Resources Assessment
Drainage Report Drainage Report
Geotechnical Report Geotechnical Report
Traffic Analysis Traffic Analysis

Water System Plan 2021 Update

SEPA Notice Letter SEPA Notice Letter
Determination of Non-Significance (DNS) April 1, 2022 Determination of Non-Significance (DNS) April 1, 2022
SEPA Checklist, February 18, 2022 SEPA Checklist, February 18, 2022
View files > Water System Plan 2021 Update

SR 530 Control Zone Oso to Fortson Pole Replacement

SEPA Notice Letter SEPA Notice Letter
SEPA Determination of Non-Significance SEPA Determination of Non-Significance
SEPA Checklist SEPA Checklist
Critical Areas Report Critical Areas Report
Construction Plans Construction Plans

2021 Update to Clean Energy Plans

Integrated Resource Plan (IRP) & Clean Energy Implementation Plan (CEIP). THIS PROJECT IS COMPLETED.
SEPA Notice Letter SEPA Notice Letter December 2, 2021
SEPA Determination of Non-Significance (DNS) SEPA Determination of Non-Significance (DNS) December 2, 2021
SEPA Checklist SEPA Checklist November 29, 2021
Draft 2021 Integrated Resource Plan Draft 2021 Integrated Resource Plan
Draft 2021 Clean Energy Implementation Plan Draft 2021 Clean Energy Implementation Plan

Qualco Generator Reconstruction

THIS PROJECT IS COMPLETED.
Determination of Nonsignificance (DNS) Determination of Nonsignificance (DNS) September 27, 2021
SEPA Checklist SEPA Checklist August 24, 2021
Preliminary Design Elements and Analysis Preliminary Design Elements and Analysis January 2004
Snohomish County Environmental Checklist, prepared by Tulalip Tribes Snohomish County Environmental Checklist, prepared by Tulalip Tribes Submitted April 20, 2005
Environmental Assessment: Biogas Facility at Monroe Honor Farm Environmental Assessment: Biogas Facility at Monroe Honor Farm August 2005
NOC Permit Issued by Puget Sound Clean Air Agency to Qualco Energy Corporation and Tulalip Tribes of Washington NOC Permit Issued by Puget Sound Clean Air Agency to Qualco Energy Corporation and Tulalip Tribes of Washington July 1, 2008

Sky Valley Switching Station

THIS PROJECT IS COMPLETED.
SEPA Notice Letter SEPA Notice Letter
SEPA Determination of Non-Significance (DNS) SEPA Determination of Non-Significance (DNS)
SEPA Checklist SEPA Checklist
SEPA Conditions Report SEPA Conditions Report
Arborist Report Arborist Report
Construction Plans Construction Plans
Critical Areas Report Critical Areas Report
Geotechnical Report Geotechnical Report
Radio Coverage Study Radio Coverage Study