Gilliland Dam 1
Gilliland Dam 1 is an earth dam located in Frontier County, Nebraska, built in 1967. It carries a Low hazard potential classification.
About Gilliland Dam 1
The primary purpose of Gilliland Dam 1 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 Dylan J & Jessie L Ruppert (private). It impounds the Tr-cedar Creek near Cambridge.
The dam stands 30 feet tall and stretches 408 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 297 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1967, 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 04/23/2019.
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Location
| State | Nebraska |
| County | Frontier |
| Nearest City | Cambridge |
| River/Stream | Tr-cedar Creek |
| Coordinates | 40.52382, -100.55558 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 28 ft |
| Dam Length | 408 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 297 acre-ft |
| Max Storage | 297 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,025 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Dylan J & Jessie L Ruppert |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/23/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00725 |
| Federal ID | NE00725 |
| More Info | State Dam Safety Program |