East Fork Grand River Site B-61 is an earth dam located in Ringgold County, Iowa, built in 2010. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 465 ft long, taller than 76% 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 Site B-61
The primary purpose of East Fork Grand River Site B-61 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 Jerome Carlton & Ringgold County Swcd (local government). It impounds the Trib to E. Fork Grand River near State of Mo.
The dam stands 33 feet tall and stretches 465 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 124 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2010, 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.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Iowa |
| County | Ringgold |
| Nearest City | State of Mo |
| River/Stream | Trib to E. Fork Grand River |
| Coordinates | 40.59750, -94.19970 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 465 ft |
| Year Completed | 2010 (16 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 445 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Jerome Carlton & Ringgold County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04164 |
| Federal ID | IA04164 |
| More Info | State Dam Safety Program |