Blust Dam is an earth dam located in Dawes County, Nebraska, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 320 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 Blust Dam
The primary purpose of Blust 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 Kollars Family (private). It impounds the Tr-big Cottonwood Creek near Interior Sd.
The dam stands 19 feet tall and stretches 320 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 111 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 04/26/2021.
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Location
| State | Nebraska |
| County | Dawes |
| Nearest City | Interior Sd |
| River/Stream | Tr-big Cottonwood Creek |
| Coordinates | 42.80713, -103.34743 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 320 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 111 acre-ft |
| Max Storage | 111 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Kollars Family |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/26/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01253 |
| Federal ID | NE01253 |
| More Info | State Dam Safety Program |