Mc Kinley Lake Dam
Mc Kinley Lake Dam is an earth dam located in Union County, Iowa, built in 1920. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Mc Kinley Lake Dam
The primary purpose of Mc Kinley Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Creston (local government). It impounds the Tr-west Platte River near Creston.
The dam stands 19 feet tall and stretches 780 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 290 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1920, the structure is over a century 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 07/26/2021.
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Location
| State | Iowa |
| County | Union |
| Nearest City | Creston |
| River/Stream | Tr-west Platte River |
| Coordinates | 41.05050, -94.38740 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 780 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 290 acre-ft |
| Max Storage | 290 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Creston |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/26/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01376 |
| Federal ID | IA01376 |
| More Info | State Dam Safety Program |