Cross Group Dam
Cross Group Dam is an earth dam located in Banner County, Nebraska, built in 1966. It carries a Low hazard potential classification and has a poor condition assessment.
About Cross Group Dam
The primary purpose of Cross Group 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 Barbara Cross (private). It impounds the Tr-willow Creek near Broadwater.
The dam stands 35 feet tall and stretches 950 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 315 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1966, 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 04/20/2022.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Nebraska |
| County | Banner |
| Nearest City | Broadwater |
| River/Stream | Tr-willow Creek |
| Coordinates | 41.54358, -103.78220 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 950 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 315 acre-ft |
| Max Storage | 315 acre-ft |
| Normal Storage | 76 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3,002 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Barbara Cross |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/20/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00586 |
| Federal ID | NE00586 |
| More Info | State Dam Safety Program |