East Fork Grand River Watershed Site A-104 is an earth dam located in Ringgold County, Iowa, built in 2007. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 475 ft long, taller than 65% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About East Fork Grand River Watershed Site A-104
The primary purpose of East Fork Grand River Watershed Site A-104 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 Ringgold County Swcd (local government). It impounds the Tr-east Fk Grand R near State of Missouri.
The dam stands 29 feet tall and stretches 475 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 43 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2007, 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 | Ringgold |
| Nearest City | State of Missouri |
| River/Stream | Tr-east Fk Grand R |
| Coordinates | 40.77610, -94.15120 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 475 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 43 acre-ft |
| Max Storage | 43 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Ringgold County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04022 |
| Federal ID | IA04022 |
| More Info | State Dam Safety Program |