The Forest Service proposes to repair the Upper Letts Lake Dam that was found to be structurally compromised after the 2018 Ranch Fire. Lake will be drawn down to existing coffer dam and Dam embankment, outlet, spillway, and stilling basin repaired.
Location
The project is in Colusa County within the Mendocino National Forest at Upper Letts Lake in T17N, R8W, Sections 24 and 25, M.D.M. The project will occur at the northwestern end of Upper Letts Lake.
Project timeline
1
Scoping Start
08/29/2022
2
Decision
04/2023 (Estimated)
3
Implementation
05/2024 (Estimated)
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (22), 36 Cfr 220.6(E)(22) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Facility Improvements/Construction; Facility Maintenance |
| Letts Lake Dam Repair Project | Decision Signed Date: 04/10/2023 |
| Forests | Mendocino National Forest |
| Districts | Grindstone Ranger District |
| Legal Land Description | T17N, R8W, Sections 24, 25 |