Hoisington Dam is an earth dam located in Mitchell County, Iowa, built in 2021. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 691 ft long. 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 Hoisington Dam
The primary purpose of Hoisington Dam 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 Myrna (private). It impounds the Tr to Cedar River near Bassett.
The dam stands 8 feet tall and stretches 691 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 133 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2021, 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 | Mitchell |
| Nearest City | Bassett |
| River/Stream | Tr to Cedar River |
| Coordinates | 43.22670, -92.63300 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 691 ft |
| Year Completed | 2021 (5 years old) |
Storage & Hydraulics
| NID Storage | 133 acre-ft |
| Max Storage | 133 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Myrna |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04338 |
| Federal ID | IA04338 |
| More Info | State Dam Safety Program |