Lobner Group Dam is an earth dam located in Garden County, Nebraska, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 499 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 Lobner Group Dam
The primary purpose of Lobner Group 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 Lobner Land & Livestock Inc (private). It impounds the Ash Creek near Lewellen.
The dam stands 20 feet tall and stretches 499 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 99 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, 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 04/18/2019.
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Location
| State | Nebraska |
| County | Garden |
| Nearest City | Lewellen |
| River/Stream | Ash Creek |
| Coordinates | 41.38928, -102.12305 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 499 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 99 acre-ft |
| Max Storage | 99 acre-ft |
| Normal Storage | 11 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 4,621 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lobner Land & Livestock Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/18/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00831 |
| Federal ID | NE00831 |
| More Info | State Dam Safety Program |