Sob Detention Dam
Low HazardPoor ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Valley |
| Nearest City | NASHUA |
| River/Stream | WILLOW CK./MILK RIVER |
| Coordinates | 47.98372, -107.21617 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 29 ft |
| Dam Length | 600 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 190 acre-ft |
| Max Storage | 190 acre-ft |
| Normal Storage | 165 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 11/04/2019 |
| Emergency Action Plan | Not Required |