Jensen Dam 1761 is an earth dam located in Webster County, Nebraska, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 477 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 Jensen Dam 1761
The primary purpose of Jensen Dam 1761 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 Andrew & Senga Jensen (private). It impounds the Tr-republican River near Guide Rock.
The dam stands 17 feet tall and stretches 477 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 162 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1974, 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 06/22/2021.
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Location
| State | Nebraska |
| County | Webster |
| Nearest City | Guide Rock |
| River/Stream | Tr-republican River |
| Coordinates | 40.01546, -98.36431 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 477 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 162 acre-ft |
| Max Storage | 162 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 408 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Andrew & Senga Jensen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/22/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01761 |
| Federal ID | NE01761 |
| More Info | State Dam Safety Program |