Turkey Cr Watershed Site 50d
Turkey Cr Watershed Site 50d is an earth dam located in Cass County, Iowa, built in 1974. It carries a Significant hazard potential classification and has a poor condition assessment.
About Turkey Cr Watershed Site 50d
The primary purpose of Turkey Cr Watershed Site 50d is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Cass County Swcd (local government). It impounds the Tr-turkey Creek near Wiota.
The dam stands 31 feet tall and stretches 890 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 352 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1974, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/18/2024.
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Location
| State | Iowa |
| County | Cass |
| Nearest City | Wiota |
| River/Stream | Tr-turkey Creek |
| Coordinates | 41.43330, -94.80140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 890 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 352 acre-ft |
| Max Storage | 352 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Cass County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 06/18/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01503 |
| Federal ID | IA01503 |
| More Info | State Dam Safety Program |