Henricksen Dam

Henricksen Dam is an earth dam located in Washington County, Nebraska, built in 1955. It carries a Low hazard potential classification.

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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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyWashington
Nearest CityOmaha
River/StreamTr-mill Creek
Coordinates41.50579, -96.09745

Physical Characteristics

Dam TypeEarth
NID Height49 ft
Dam Height49 ft
Dam Length340 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage41 acre-ft
Max Storage41 acre-ft
Normal Storage8 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge370 cfs

Ownership & Safety

PurposeOther
OwnerWashington County
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection06/06/2022
Emergency Action PlanNot Required

Identifiers

NID IDNE01511
Federal IDNE01511
More InfoState Dam Safety Program

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