Henrich Dam is an earth dam located in Box Butte County, Nebraska, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 444 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 Henrich Dam
Henrich Dam is a dam in Box Butte, Nebraska. The dam is owned by M Jack Manning (private). It impounds the Tr-s Br Point of Rocks Creek near Alliance.
The dam stands 15 feet tall and stretches 444 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 85 acre-feet, and collects water from a drainage area of 2 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 04/22/2020.
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Location
| State | Nebraska |
| County | Box Butte |
| Nearest City | Alliance |
| River/Stream | Tr-s Br Point of Rocks Creek |
| Coordinates | 42.27422, -103.37171 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 444 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 85 acre-ft |
| Max Storage | 85 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 315 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | M Jack Manning |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/22/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01136 |
| Federal ID | NE01136 |
| More Info | State Dam Safety Program |