Thomas Mitchell Park Dam
Thomas Mitchell Park Dam is an earth dam located in Polk County, Iowa, built in 1971. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Thomas Mitchell Park Dam
The primary purpose of Thomas Mitchell Park Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Polk County Conservation Board (local government). It impounds the Tr-camp Creek near Red Rock Reservoir.
The dam stands 27 feet tall and stretches 711 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 75 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/10/2023.
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Location
| State | Iowa |
| County | Polk |
| Nearest City | Red Rock Reservoir |
| River/Stream | Tr-camp Creek |
| Coordinates | 41.64010, -93.38230 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 711 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Polk County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/10/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00901 |
| Federal ID | IA00901 |
| More Info | State Dam Safety Program |