Sukup Dam 1 is an earth dam located in Knox County, Nebraska, built in 1955. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 23 ft23 ft tall and 268 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 Sukup Dam 1
The primary purpose of Sukup Dam 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Dale L & Marilyn Sukup (private). It impounds the Tr-mid Br Verdigre Creek near Verdigre.
The dam stands 23 feet tall and stretches 268 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 66 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1955, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/20/2023.
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Location
| State | Nebraska |
| County | Knox |
| Nearest City | Verdigre |
| River/Stream | Tr-mid Br Verdigre Creek |
| Coordinates | 42.56440, -98.12737 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 268 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 66 acre-ft |
| Max Storage | 66 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 787 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Dale L & Marilyn Sukup |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/20/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00499 |
| Federal ID | NE00499 |
| More Info | State Dam Safety Program |