Wayne Co. Roadgrade Dam 21-67-22
Wayne Co. Roadgrade Dam 21-67-22 is an earth dam located in Wayne County, Iowa, built in 1996. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Wayne Co. Roadgrade Dam 21-67-22
Wayne Co. Roadgrade Dam 21-67-22 is a dam in Wayne, Iowa. The dam is owned by Wayne County Board Of Supervisors (local government). It impounds the Tr- W.fk. Medicine Creek near State Of Missouri.
The dam stands 42 feet tall and stretches 1,400 feet across, creates a reservoir covering 129 acres, has a maximum storage capacity of 7,900 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1996, the structure is 30 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/26/2023.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Iowa |
| County | Wayne |
| Nearest City | State Of Missouri |
| River/Stream | Tr- W.fk. Medicine Creek |
| Coordinates | 40.59080, -93.38700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 7,900 acre-ft |
| Max Storage | 7,900 acre-ft |
| Normal Storage | 560 acre-ft |
| Surface Area | 129 acres |
| Drainage Area | 16 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Wayne County Board of Supervisors |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/26/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03055 |
| Federal ID | IA03055 |
| More Info | State Dam Safety Program |