Wellensiek Dam is an earth dam located in Johnson County, Nebraska, built in 1959. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 34 ft34 ft tall and 700 ft long, taller than 78% 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 Wellensiek Dam
The primary purpose of Wellensiek Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Andrew Wellensiek (private). It impounds the Tr-s Fk Little Nemaha River near Cook.
The dam stands 34 feet tall and stretches 700 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 153 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1959, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 03/26/2020.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Nebraska |
| County | Johnson |
| Nearest City | Cook |
| River/Stream | Tr-s Fk Little Nemaha River |
| Coordinates | 40.52110, -96.17073 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 28 ft |
| Dam Length | 700 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 153 acre-ft |
| Max Storage | 153 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 845 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Andrew Wellensiek |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/26/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00316 |
| Federal ID | NE00316 |
| More Info | State Dam Safety Program |