Prairie No. 1
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | North Dakota |
| County | Sioux |
| Nearest City | none |
| River/Stream | Bone Creek |
| Coordinates | 46.25100, -100.63380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 370 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 204 acre-ft |
| Max Storage | 204 acre-ft |
| Normal Storage | 127 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,075 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 08/03/2020 |
| Emergency Action Plan | Yes |