Green Castle Dam
Iowa — Marshall County — TR- BRUSH CREEK
Location
| State | Iowa |
| County | Marshall |
| River | TR- BRUSH CREEK |
| Coordinates | 41.93070, -92.86040 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 650 ft |
| NID Storage | 263 acre-ft |
| Max Storage | 263 acre-ft |
| Surface Area | 17 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | June 5, 2020 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1954 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Marshall County Conservation Board |
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.