Zysset Dam
Zysset Dam is an earth dam located in Frontier County, Nebraska, built in 1974. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Zysset Dam
The primary purpose of Zysset 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 Mervin & Illa Jo Zysset Es (private). It impounds the Tr-medicine Creek near Cambridge.
The dam stands 24 feet tall and stretches 488 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 139 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/22/2019.
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Location
| State | Nebraska |
| County | Frontier |
| Nearest City | Cambridge |
| River/Stream | Tr-medicine Creek |
| Coordinates | 40.49198, -100.30251 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 22 ft |
| Dam Length | 488 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 139 acre-ft |
| Max Storage | 139 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 861 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Mervin & Illa Jo Zysset ES |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/22/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01605 |
| Federal ID | NE01605 |
| More Info | State Dam Safety Program |