City of Helena to replace 6 concrete water intake structures in the Ten Mile Creek drainage, 3 are on National Forest. Structures would be replaced 1-2 at a time, using temporary dams and channels to keep water flowing and maintain drinking water.
Location
Moose Creek and Banner Creek Structures will be replaced approximately within their existing profiles. Minnehaha Creek Structure will add a new wingwall extending 14' upstream from existing structure.
Project timeline
1
Scoping Start
06/17/2024
2
Decision
07/2024 (Estimated)
3
Implementation
11/2024 (Estimated)
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (3), 36 Cfr 220.6(E)(3) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Special Use Authorizations |
| City of Helena Ten Mile System Diversion Replacements | Decision Signed Date: 07/03/2024 |
| Forests | Lewis And Clark National Forest |
| Districts | Helena Ranger District |
| Legal Land Description | Sec. 20, T. 9 N, R. 5 W (Moose Ck. Structure) Sec. 29, T. 9 N, R. 5 W (Minnehaha Ck. Structure) Sec. 9, T. 8 N, R. 5 W (Banner Ck. Structure) |