Vandenberg Dam 386
Vandenberg Dam 386 is an earth dam located in Butler County, Nebraska, built in 1969. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Vandenberg Dam 386
The primary purpose of Vandenberg Dam 386 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 Vandenberg Llc (private). It impounds the Tr-big Blue River.
The dam stands 18 feet tall and stretches 370 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 72 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1969, 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 05/30/2023.
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Location
| State | Nebraska |
| County | Butler |
| Nearest City | None |
| River/Stream | Tr-big Blue River |
| Coordinates | 41.17697, -97.06913 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 15 ft |
| Dam Length | 370 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 79 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Vandenberg LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/30/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00386 |
| Federal ID | NE00386 |
| More Info | State Dam Safety Program |