A berm on the Copper Cliffs Tailing Dam has experienced a slope failure. USFS will perform a geotechnical study with exploratory drilling to test the chemical composition of the materials in the sediment to determine future stabilization efforts.
Location
Located at the Copper Cliff mine.
Project timeline
1
Scoping Start
04/29/2024
2
Decision
07/2024 (Estimated)
3
Implementation
07/2024 (Estimated)
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (8), 36 Cfr 220.6(E)(8) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Developed Site Management |
| Copper Cliffs Dam Geotechnical Study | Decision Signed Date: 07/15/2024 |
| Forests | Payette National Forest |
| Districts | Council Ranger District |
| Legal Land Description | T. 6 S, R. 3 W, Section 2, 1/4NW |