Decision Memo Completed

Big Wood River Tributaries Aquatic Organism Passage Project

Sawtooth National Forest Blaine, Idaho Ketchum Ranger District

Replace three existing culverts that are fish passage barriers: Placer Creek, Corral Creek and Wilson Creek. The project will provide access to 16 miles of high-quality spawning and rearing habitat for Redband trout and Wood River sculpin.

Location

There are 3 locations. Placer Creek is approximately 16 miles west of Ketchum ID. Corral and Wilson Creeks are tributaries of Trail Creek and are approximately 5 and 7.5 miles east of Ketchum, ID.

Project timeline

1
Scoping Start
06/27/2024
2
Decision
12/2024 (Estimated)
3
Implementation
10/2026 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.2 (18), 36 Cfr 220.6(E)(18)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivityRoad Improvements/Construction; Watershed Improvements
Big Wood River Tributaries Aquatic Organism Passage ProjectDecision Signed Date: 12/30/2024
ForestsSawtooth National Forest
DistrictsKetchum Ranger District
Legal Land DescriptionPlacer Creek- NW 1/4 of the SE 1/4 Section 06 T3N, R16E. Corral Creek- NW 1/4 of the SW 1/4 of Section 27 T5N, R18E. Wilson Creek- SW 1/4 of the NE 1/4 of Section 14 T5N, R18E
Watershed managementRoad management