Coryell Smith Dam is an earth dam located in Nemaha County, Nebraska, built in 2000. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 36 ft36 ft tall and 497 ft long, taller than 82% 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 Coryell Smith Dam
The primary purpose of Coryell Smith 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 Nemaha Natural Resources District (local government). It impounds the Tr-little Nemaha River near Auburn.
The dam stands 36 feet tall and stretches 497 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 96 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2000, the structure is 26 years old.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/02/2022.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Nebraska |
| County | Nemaha |
| Nearest City | Auburn |
| River/Stream | Tr-little Nemaha River |
| Coordinates | 40.43310, -95.95173 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 32 ft |
| Dam Length | 497 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 96 acre-ft |
| Max Storage | 96 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 72 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/02/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02538 |
| Federal ID | NE02538 |
| More Info | State Dam Safety Program |