Henricksen Dam is an earth dam located in Washington County, Nebraska, built in 1955. It carries a Low hazard potential classification.
Dam profile
NID height · 49 ft49 ft tall and 340 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Henricksen Dam
Henricksen Dam is a dam in Washington, Nebraska. The dam is owned by Washington County (local government). It impounds the Tr-mill Creek near Omaha.
The dam stands 49 feet tall and stretches 340 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 41 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1955, 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 06/06/2022.
At 49 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Nebraska |
| County | Washington |
| Nearest City | Omaha |
| River/Stream | Tr-mill Creek |
| Coordinates | 41.50579, -96.09745 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Height | 49 ft |
| Dam Length | 340 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 41 acre-ft |
| Max Storage | 41 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 370 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Washington County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/06/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01511 |
| Federal ID | NE01511 |
| More Info | State Dam Safety Program |