January Detention Dam
Low HazardUnsatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Valley |
| Nearest City | NASHUA |
| River/Stream | WILLOW CK./MILK RIVER |
| Coordinates | 48.08066, -106.75672 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 31 ft |
| Dam Length | 946 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 520 acre-ft |
| Max Storage | 387 acre-ft |
| Normal Storage | 520 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 6 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 11/02/2019 |
| Emergency Action Plan | Not Required |