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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

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DateBasinProject NameTypeLink
3/25/2025Lake WashingtonLake Washington Ship Canal Project Master PlanNOA, comment period extended to April 21, 2025Click Here
2/20/2025Lake WashingtonLake Washington Ship Canal Project Master PlanDraft EA/FONSIClick Here
2/20/2025Lake WashingtonLake Washington Ship Canal Project Master PlanAppendix A to the Draft EA (Draft Master Plan)Click Here
2/20/2025Lake WashingtonLake Washington Ship Canal Project Master PlanDraft Master Plan, Attachments A-C and E-FClick Here
2/20/2025Lake WashingtonLake Washington Ship Canal Project Master PlanDraft Master Plan Attachment DClick Here
2/20/2025Lake WashingtonLake Washington Ship Canal Project Master PlanDraft EA Appendices B-DClick Here
2/13/2025Quillayute RiverQuillayute River Federal Navigation Project Maintenance Dredging and Placement (2024-2031)Final EA/FONSIClick Here
12/20/2024SnohomishUnion Slough Levee RehabilitationDraft EA/FONSIClick Here
12/20/2024SnohomishUnion Slough Levee RehabilitationNOAClick Here
11/27/2024Grays HarborGrays Harbor North Jetty Maintenance ProjectNOA and Draft EA FONSIClick Here
9/12/2024Green RiverDesimone Levee Rehabilitation ProjectDraft EA FONSIClick Here
7/25/2024Snohomish River2024 Marshland Levee Repair ProjectFinal EA/FONSIClick Here
6/5/2024Green RiverHorseshoe Bend Levee Rehabilitation ProjectDraft EA/FONSIClick Here
2/12/2024Upper Clark Fork RiverMOULTON DAM #1 SPILLWAY AND EMBANKMENT IMPROVEMENTS PROJECTFinal EA/FONSIClick Here
9/8/2023St. Joe RiverCity of St. Maries Sewer Line Replacement ProjectAppendix A Final City of St. Maries Phase 3 Sewer Line Replacement Project EIDClick Here
7/27/2023Skagit RiverSkagit River Dike Districts 17 and 22 Levee Rehabilitation ProjectsFinal EA FONSIClick Here
7/6/2023Snoqualmie RiverMason Thorson Ells Levee RehabilitationFinal EA FONSIClick Here
7/3/2023Skagit RiverSkagit 1, 3, 12 Levee Repair ProjectsFinal EA FONSIClick Here
6/29/2023Pend OreilleAlbeni Falls Dam 10-Year Program to Control Invasive Aquatic Weeds and Continue Studies in Aquatic Weed ControlFinal SEA FONSIClick Here
6/21/2023Nooksack RiverFerndale Levee Repair ProjectFinal EA FONSIClick Here
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Older Environmental Documents