Post Dam is an earth dam located in Banner County, Nebraska, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 416 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Post Dam
The primary purpose of Post 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 Post Family Limited Partnership (private). It impounds the Tr-pumpkinseed Creek near Broadwater.
The dam stands 22 feet tall and stretches 416 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, 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 12/16/2020.
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Location
| State | Nebraska |
| County | Banner |
| Nearest City | Broadwater |
| River/Stream | Tr-pumpkinseed Creek |
| Coordinates | 41.68316, -103.62830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 416 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 94 acre-ft |
| Max Storage | 94 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,622 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Post Family Limited Partnership |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/16/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00702 |
| Federal ID | NE00702 |
| More Info | State Dam Safety Program |