Orient Lake Dam
Orient Lake Dam is an earth dam located in Adair County, Iowa, built in 1969. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Orient Lake Dam
The primary purpose of Orient Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Orient (local government). It impounds the Tr-east Nodaway River near Prescott.
The dam stands 23 feet tall and stretches 867 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 398 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1969, 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 05/16/2022.
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Location
| State | Iowa |
| County | Adair |
| Nearest City | Prescott |
| River/Stream | Tr-east Nodaway River |
| Coordinates | 41.19570, -94.43600 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 867 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 398 acre-ft |
| Max Storage | 398 acre-ft |
| Normal Storage | 135 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Orient |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/16/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00033 |
| Federal ID | IA00033 |
| More Info | State Dam Safety Program |