Jann Jensen Dam
Jann Jensen Dam is an earth dam located in Seward County, Nebraska, built in 1960. It carries a Low hazard potential classification and has a poor condition assessment.
About Jann Jensen Dam
Jann Jensen Dam is a dam in Seward, Nebraska. The dam is owned by Seward County Highway Dept. (local government). It impounds the Tr-middle Creek near Emerald.
The dam stands 28 feet tall and stretches 250 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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 04/21/2022.
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Location
| State | Nebraska |
| County | Seward |
| Nearest City | Emerald |
| River/Stream | Tr-middle Creek |
| Coordinates | 40.93007, -96.94835 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 250 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 77 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Seward County Highway Dept. |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/21/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02775 |
| Federal ID | NE02775 |
| More Info | State Dam Safety Program |