Mormon Trail Lake Dam
Mormon Trail Lake Dam is an earth dam located in Adair County, Iowa, built in 1965. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Mormon Trail Lake Dam
The primary purpose of Mormon Trail Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Adair County Conservation Board (local government). It impounds the Tr-west Fork Nodaway near Mt. Etna.
The dam stands 46 feet tall and stretches 928 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 585 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 06/23/2014. That was over 11 years ago.
At 46 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Iowa |
| County | Adair |
| Nearest City | Mt. Etna |
| River/Stream | Tr-west Fork Nodaway |
| Coordinates | 41.24310, -94.63650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 46 ft |
| Dam Length | 928 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 585 acre-ft |
| Max Storage | 585 acre-ft |
| Normal Storage | 394 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Adair County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/23/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00021 |
| Federal ID | IA00021 |
| More Info | State Dam Safety Program |