Spirit Lake Bia 4 South
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | North Dakota |
| County | Benson |
| Nearest City | St. Michael |
| River/Stream | Sheyenne River -TR |
| Coordinates | 47.99490, -98.90010 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 21 ft |
| Dam Length | 4,600 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 3,258,110 acre-ft |
| Max Storage | 3,258,110 acre-ft |
| Normal Storage | 2,082,743 acre-ft |
| Surface Area | 140,000 acres |
| Drainage Area | 3,322 sq mi |
| Max Discharge | 3,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/27/2024 |
| Emergency Action Plan | Yes |