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State Environmental Policy Act (SEPA)

The State Environmental Policy Act (SEPA) provides a way to identify possible environmental impacts that may result from governmental decisions. These decisions may be related to issuing permits for private projects, constructing public facilities, or adopting regulations, policies or plans. 

Information provided during the SEPA review process is intended to ensure that environmental protection and preservation are considered by both state and local agencies in reviewing permit application. It gives local governments the authority to both review and mitigate potential environmental impacts. 

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The Document Center provides easy access to public documents. Click on one of the categories below to see related documents or use the search function.

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Active SEPA/NEPA72 documents

SEPA No. 2016-12: South Terminal Modernization, Phase 2 Project2 documents

  • SEPA 2016-12, Addendum No. 3 to MDNS for the South Terminal Modernization, Phase 2 Project
    document date 12-17-2020
  • SEPA 2016-12, Addendum No. 4 to MDNS for the South Terminal Modernization, Phase 2 Project
    document date 12-17-2020

SEPA No. 2018-01: Update of the Boating Access & Public Facilities Plan4 documents

  • Appendix B - Boating Access & Public Facilities Plan
    document date 12-17-2020
  • Update of the Boating Access & Public Facilities Plan SEPA Determination of Non-Significance (DNS)
    document date 12-17-2020
  • Update of the Boating Access & Public Facilities Plan SEPA Environmental Checklist
    document date 12-17-2020
  • Update of the Boating Access & Public Facilities Plan SEPA Notice of Determination of Non-Significance (DNS)
    document date 12-17-2020

SEPA No. 2018-03: South Terminal Berth Improvements / Mill A Interim Action9 documents

  • South Terminal Berth Improvements / Mill A Interim Action Attachments to Addendum No. 4
    document date 12-17-2020
  • South Terminal Berth Improvements / Mill A Interim Action SEPA Notice of Mitigated Determination of Non-Significance (MDNS)
    document date 12-11-2020
  • South Terminal Berth Improvements / Mill A Interim Action Permit Drawings
    document date 12-11-2020
  • South Terminal Berth Improvements / Mill A Interim Action Biological Evaluation
    document date 12-11-2020
  • South Terminal Berth Improvements / Mill A Interim Action Mitigation Plan
    document date 12-11-2020
  • South Terminal Berth Improvements / Mill A Interim Action SEPA Environmental Checklist
    document date 12-11-2020
  • South Terminal Berth Improvements / Mill A Interim Action Vicinity Map
    document date 12-11-2020
  • South Terminal Berth Improvements / Mill A Interim Action SEPA Mitigated Determination of Non-Significance (MDNS)
    document date 12-11-2020
  • South Terminal Berth Improvements / Mill A Interim Action SEPA Notice of Mitigated Determination of Non-Significance (MDNS)
    document date 12-11-2020

SEPA No. 2019-01: Bay Wood Shoreline Interim Cleanup Action and Restoration7 documents

  • Bay Wood Shoreline Interim Cleanup Action and Restoration SEPA Notice of Mitigated Determination of Non-Significance (MDNS)
    document date 12-11-2020
  • Bay Wood Shoreline Interim Cleanup Action and Restoration Habitat Assessment
    document date 12-10-2020
  • Bay Wood Shoreline Interim Cleanup Action and Restoration Draft Biological Assessment
    document date 12-10-2020
  • Bay Wood Shoreline Interim Cleanup Action and Restoration Vicinity Map
    document date 12-10-2020
  • Bay Wood Shoreline Interim Cleanup Action and Restoration Draft Project Drawings
    document date 12-10-2020
  • Bay Wood Shoreline Interim Cleanup Action and Restoration SEPA Environmental Checklist
    document date 12-10-2020
  • Bay Wood Shoreline Interim Cleanup Action and Restoration SEPA Mitigated Determination of Non-Significance (MDNS)
    document date 12-10-2020

SEPA No. 2020-01: Everett Ship Repair5 documents

  • Everett Ship Repair  Appendix A: Best Management Practices
    document date 12-11-2020
  • Everett Ship Repair  SEPA Environmental Checklist
    document date 12-11-2020
  • Everett Ship Repair Vicinity Map and Site Map
    document date 12-11-2020
  • Everett Ship Repair SEPA Notice of Mitigated Determination of Non-Significance (MDNS)
    document date 12-11-2020
  • Everett Ship Repair SEPA Mitigated Determination of Non-Significance (MDNS)
    document date 12-11-2020

SEPA No. 2020-02: South Marina I & J Dock Restroom Lift Station Repairs1 document

  • SEPA No. 2020-02: Memorandum of SEPA Exemption - South Marina I & J Dock Restroom Lift Station Repairs
    document date 12-17-2020

SEPA No. 2020-03: Jetty Landing Restroom Replacement4 documents

  • Jetty Landing Restroom Replacement Vicinity Map
    document date 12-17-2020
  • Jetty Landing Restroom Replacement SEPA Notice of Mitigated Determination of Non-Significance
    document date 12-17-2020
  • Jetty Landing Restroom Replacement SEPA Mitigated Determination of Non-Significance (MDNS)
    document date 12-17-2020
  • Jetty Landing Restroom Replacement SEPA Environmental Checklist
    document date 12-17-2020

SEPA No. 2021-01: Model Toxics Control Act Interim Action and Maritime Industrial Expansion at Norton Terminal8 documents

  • Model Toxics Control Act Interim Action and Maritime Industrial Expansion at Norton Terminal - Vicinity Map
    document date 03-10-2021
  • Model Toxics Control Act Interim Action and Maritime Industrial Expansion at Norton Terminal - Conceptual Future Uses Map
    document date 03-10-2021
  • Model Toxics Control Act Interim Action and Maritime Industrial Expansion at Norton Terminal - Third Interim Action Site Diagram
    document date 03-10-2021
  • Model Toxics Control Act Interim Action and Maritime Industrial Expansion at Norton Terminal - Site Plan
    document date 03-10-2021
  • Model Toxics Control Act Interim Action and Maritime Industrial Expansion at Norton Terminal - o SEPA Notice of MDNS
    document date 03-10-2021
  • Model Toxics Control Act Interim Action and Maritime Industrial Expansion at Norton Terminal - o SEPA MDNS
    document date 03-10-2021
  • Model Toxics Control Act Interim Action and Maritime Industrial Expansion at Norton Terminal - SEPA Checklist
    document date 03-10-2021
  • Model Toxics Control Act Interim Action and Maritime Industrial Expansion at Norton Terminal - Biological Evaluation and Essential Fish Habitat Evaluation
    document date 03-10-2021

SEPA No. 2021-03: Port Gardner Landing Buildings4 documents

  • Port Gardner Landing Geotech Report 10.15.21
    document date 12-09-2021
  • Port Gardner Landing DNS Determination of Non-Significance
    document date 12-08-2021
  • Port Gardner Landing SEPA Checklist
    document date 12-08-2021
  • Port Gardner Landing DNS Determination
    document date 12-08-2021

SEPA No. 2021-06: Dredging Boat Launch Connector and North Marina Approach8 documents

  • Dredging Connector Channel and North Marina Approach MITIGATED DETERMINATION OF NON-SIGNIFICANCE (MDNS)  SEPA File No. 2021-06
    document date 12-22-2021
  • Notice of Mitigated Determination of Non-Significance (MDNS).pdf
    document date 12-22-2021
  • DREDGING CONNECTOR CHANNEL AND NORTH MARINA APPROACH ENVIRONMENTAL CHECKLIST  SEPA 2021-06
    document date 12-22-2021
  • Biological Evaluation Jetty Landing Boat Launch Connector Channel and North Marina Approach Dredging Project
    document date 12-22-2021
  • Eelgrass and Macroalgae Survey Jetty Landing Boat Launch Connector Channel and North Marina Approach Dredging Project
    document date 12-22-2021
  • JARPA Drawings
    document date 12-22-2021
  • Suitability Determination Memorandum and Antidegradation Assessment for the Port of Everett Boat Launch and Connector Channel Maintenance Dredging
    document date 12-22-2021
  • Suitability Determination Memorandum and Antidegradation Assessment for the Port of Everett North Marina Maintenance Dredging
    document date 12-22-2021

SEPA No. 2022-01: North Marina and Central Marina West Maintenance Dredging10 documents

  • North Marina and Central Marina West Maintenance Dredging SEPA MDNS File No. 2021-04 Vicinity Map
    document date 01-10-2022
  • North Marina Maintenance Dredging Biological Evaluation
    document date 01-10-2022
  • Central Marina West Maintenance Dredging Biological Evaluation
    document date 01-10-2022
  • North Marina JARPA Drawings
    document date 01-10-2022
  • Central Marina West JARPA Drawings
    document date 01-10-2022
  • North Marina DMMO Suitability
    document date 01-10-2022
  • Central Marina West DMMO Suitability
    document date 01-10-2022
  • SEPA No. 2022-01 Checklist
    document date 01-10-2022
  • SEPA No. 2022-01 Notice
    document date 01-10-2022
  • SEPA No. 2022-01 MDNS
    document date 01-10-2022

SEPA No. 2022-02: Mukilteo Parklet4 documents

  • Mukilteo Parklet SEPA CheckList
    document date 04-01-2022
  • Mukilteo Parklet Notice of Determination of Non-Significance
    document date 04-01-2022
  • Mukilteo Parklet SEPA Notice
    document date 04-01-2022
  • Mukilteo Parklet SEPA Vicinity Map
    document date 04-01-2022

SEPA No. 2022-07: Bulkhead Segment E Replacement and Pedestrian Access Improvements1 document

  • SEPA No. 2022-07: Bulkhead Segment E Replacement and Pedestrian Access Improvements
    document date 12-08-2022

SEPA No. 2022-08: Mukilteo Interim Commercial Parking Lot4 documents

  • Mukilteo Interim Commercial Parking Lot – SEPA Checklist
    document date 12-12-2022
  • Mukilteo Interim Commercial Parking Lot – Determination of Non-Significance
    document date 12-12-2022
  • Mukilteo Interim Commercial Parking Lot – SEPA Notice
    document date 12-12-2022
  • Mukilteo Interim Commercial Parking Lot – SEPA Vicinity Map
    document date 12-12-2022

SEPA No. 2022-09: Everett Ship Repair Vessel Addition1 document

  • SEPA No. 2022-09: Everett Ship Repair Vessel Addition
    document date 09-15-2022