Square Butte Creek Dam 6
North Dakota — Morton County — Otter Creek
Location
| State | North Dakota |
| County | Morton |
| River | Otter Creek |
| Coordinates | 46.93852, -100.96289 |
Physical Characteristics
| NID Height | 81 ft |
| Dam Height | 76 ft |
| Dam Length | 2,100 ft |
| NID Storage | 8,297 acre-ft |
| Max Storage | 8,297 acre-ft |
| Surface Area | 144 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Rated |
| EAP Status | Yes |
| Last Inspection | August 25, 2020 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 2007 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Morton County WRB |
| Other Name | Harmon Lake |
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.