Environmental Documents

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Document Types

BiOp	Biological Opinion
EA	Environmental Assessment
EIS	Environmental Impact Statement
FONSI	Finding of No Significant Impact
FR	Feasibility Report
IFR	Integrated Feasibility Report
NOA	Notice of Availability
NOP	Notice of Preparation
ROD	Record of Decision
SEA	Supplemental Environmental Assessment
SIR	Supplemental Information Report
SOF	Statement of Findings

Current Environmental Documents

Click any column header to sort table data.
Date	Basin	Project Name	Type	Link
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Final Environmental Assessment	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Appendix A for Final EA - Master Plan	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Appendix B for Final EA	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Appendix C for Final EA	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Appendix D for Final EA - FONSI	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Appendix E for Final EA	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Attachment A for Master Plan	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Attachment B for Master Plan	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Attachment C for Master Plan	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Attachment D for Master Plan	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Attachment E for Master Plan	Click Here
2/24/2026	Lake Washington	Lake Washington Ship Canal Project Master Plan	Attachment F for Master Plan	Click Here
2/17/2026	Strait of Juan de Fuca	Neah Bay Outer Breakwater Repair Project	Neah Bay Outer Breakwater Final EA and FONSI Package	Click Here
2/17/2026	Strait of Juan de Fuca	Neah Bay Outer Breakwater Repair Project	Final FONSI Neah Bay Signed	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix A (Site Photos) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix B (Engineering) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix B, Annex A (Engineering Design Drawings) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix B, Annex B (Geotechnical) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix B, Annex C (Civil Design) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix B, Annex C (Civil Design) for Draft IFR/EA	Click Here

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Older Environmental Documents

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