Tolna Dam 1
North Dakota — Nelson County — Tolna Coulee
Location
| State | North Dakota |
| County | Nelson |
| River | Tolna Coulee |
| Coordinates | 47.80448, -98.39428 |
Physical Characteristics
| NID Height | 36 ft |
| Dam Height | 30 ft |
| Dam Length | 520 ft |
| NID Storage | 3,080 acre-ft |
| Max Storage | 3,080 acre-ft |
| Surface Area | 166 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Rated |
| EAP Status | Yes |
| Last Inspection | May 9, 2018 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1936 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Nelson County WRB |
| Other Name | Johnson Dam |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.