Lyon County Roadgrade Dam 10-98-48
Iowa — Lyon County — TR- BIG SIOUX RIVER
Location
| State | Iowa |
| County | Lyon |
| River | TR- BIG SIOUX RIVER |
| Coordinates | 43.31770, -96.49290 |
Physical Characteristics
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 725 ft |
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Surface Area | 2 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1988 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Lyon County Board of Supervisors |
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.