Bar Island Detention Dam
Low HazardPoor ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Phillips |
| Nearest City | FORT PECK |
| River/Stream | ROCK CK./MISSOURI RIVER |
| Coordinates | 47.74386, -108.57575 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 44 ft |
| Dam Length | 597 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 484 acre-ft |
| Max Storage | 484 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 13 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 | 08/15/2016 |
| Emergency Action Plan | Not Required |