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
2/3/2026	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
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix B, Annex D (Hydrology, Hydraulics and Coastal Engineering) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix C (Economics) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix D (Cultural Resources) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix E (Monitoring and Adaptive Management Plan) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix F (FONSI) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix G (Phase 1 ESA) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Appendix H (Real Estate) for Draft IFR/EA	Click Here
2/3/2026	Snohomish	Spencer Island Ecosystem Restoration	Draft Integrated Feasibility/Environmental Assessment with Notice of Availibility	Click Here
1/26/2026	Lake Pend Oreille	Albeni Falls Dam Master Plan	Draft EA/FONSI and Master Plan	Click Here
11/3/2025	Chehalis	Grays Harbor Detention Facility	Draft Integrated Feasibility/Environmental Assessment	Click Here
11/3/2025	Chehalis	Grays Harbor Detention Facility	Appendix A (Engineering) for Draft IFR/EA	Click Here
11/3/2025	Chehalis	Grays Harbor Detention Facility	Appendix B (Environmental) for Draft IFR/EA	Click Here
11/3/2025	Chehalis	Grays Harbor Detention Facility	Appendix C (Cost) for Draft IFR/EA	Click Here
11/3/2025	Chehalis	Grays Harbor Detention Facility	Appendix D (HTRW) for Draft IFR/EA	Click Here

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Older Environmental Documents

USACE Digital Library (External Link)