Turkey Cr Watershed Site 59d-1 is an earth dam located in Cass County, Iowa, built in 1990. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 690 ft long, taller than 74% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Turkey Cr Watershed Site 59d-1
The primary purpose of Turkey Cr Watershed Site 59d-1 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 Anita.
The dam stands 32 feet tall and stretches 690 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 471 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1990, the structure is 36 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/18/2024.
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Location
| State | Iowa |
| County | Cass |
| Nearest City | Anita |
| River/Stream | Tr-turkey Creek |
| Coordinates | 41.46340, -94.74750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 690 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 471 acre-ft |
| Max Storage | 471 acre-ft |
| Normal Storage | 94 acre-ft |
| Surface Area | 19 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 | Fair |
| Last Inspection | 06/18/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02497 |
| Federal ID | IA02497 |
| More Info | State Dam Safety Program |