Ahern Dam No 1

Ahern Dam No 1 is an earth dam located in Richardson County, Nebraska, built in 2017. It carries a Low hazard potential classification and has a satisfactory condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planNot reported
Last inspection05/02/2019
Height33 ft
Built20179 years ago

Dam profile

NID height · 33 ft
33 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

33 ft tall and 518 ft long, taller than 76% of U.S. dams with a recorded height. 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 Ahern Dam No 1

The primary purpose of Ahern Dam No 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Anthony J & Janet a Ahern Trust (private). It impounds the Sardine Creek near Verdon.

The dam stands 33 feet tall and stretches 518 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 47 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2017, the structure is relatively new.

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 05/02/2019.

At 33 feet, this dam is taller than 76% of dams nationwide.

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Location

StateNebraska
CountyRichardson
Nearest CityVerdon
River/StreamSardine Creek
Coordinates40.22485, -95.71100

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height29 ft
Dam Length518 ft
Year Completed2017 (9 years old)

Storage & Hydraulics

NID Storage47 acre-ft
Max Storage47 acre-ft
Normal Storage28 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge575 cfs

Ownership & Safety

PurposeIrrigation
OwnerAnthony J & Janet a Ahern Trust
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/02/2019
Emergency Action PlanNot Required

Identifiers

NID IDNE03183
Federal IDNE03183
More InfoState Dam Safety Program