East Fork Grand River Watershed Site A-54
East Fork Grand River Watershed Site A-54 is an earth dam located in Union County, Iowa, built in 2008. It carries a Low hazard potential classification.
About East Fork Grand River Watershed Site A-54
The primary purpose of East Fork Grand River Watershed Site A-54 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Union County Swcd (local government). It impounds the Tr- East Fork Grand River near State Of Missouri.
The dam stands 26 feet tall and stretches 422 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2008, the structure is relatively new.
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.
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Location
| State | Iowa |
| County | Union |
| Nearest City | State Of Missouri |
| River/Stream | Tr- East Fork Grand River |
| Coordinates | 40.90960, -94.13380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 422 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Union County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03827 |
| Federal ID | IA03827 |
| More Info | State Dam Safety Program |