Long Dam is an earth dam located in Kimball County, Nebraska, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 300 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 Long Dam
The primary purpose of Long 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 Kevin Long Et Al (private). It impounds the Tr-lodgepole Creek near Sidney.
The dam stands 19 feet tall and stretches 300 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 181 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1967, the structure is well into its service life at over 50 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. The most recent inspection on record was 04/26/2022.
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Location
| State | Nebraska |
| County | Kimball |
| Nearest City | Sidney |
| River/Stream | Tr-lodgepole Creek |
| Coordinates | 41.07332, -103.57707 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 300 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 181 acre-ft |
| Max Storage | 181 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 1,403 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Kevin Long Et Al |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/26/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01178 |
| Federal ID | NE01178 |
| More Info | State Dam Safety Program |