Sullivan Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Toole |
| Nearest City | SHELBY |
| River/Stream | TR-MARIAS |
| Coordinates | 48.52420, -111.85410 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 68 ft |
| Dam Height | 49 ft |
| Dam Length | 750 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 1,470 acre-ft |
| Max Storage | 1,470 acre-ft |
| Normal Storage | 360 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 2,048 sq mi |
| Max Discharge | 3,150 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CITY OF SHELBY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/08/2021 |
| Emergency Action Plan | Yes |