Merrick Howard County Road Dam

Merrick Howard County Road Dam is an earth dam located in Merrick County, Nebraska, built in 1980. It carries a Low hazard potential classification and has a poor condition assessment.

About Merrick Howard County Road Dam

The primary purpose of Merrick Howard County Road 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 Merrick County (local government). It impounds the Tr-rock Creek near Fullerton.

The dam stands 41 feet tall and stretches 600 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 173 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 04/12/2023.

At 41 feet, this dam is taller than 88% of dams nationwide.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyMerrick
Nearest CityFullerton
River/StreamTr-rock Creek
Coordinates41.30792, -98.28664

Physical Characteristics

Dam TypeEarth
NID Height41 ft
Dam Height34 ft
Dam Length600 ft
Year Completed1980 (46 years old)

Storage & Hydraulics

NID Storage173 acre-ft
Max Storage173 acre-ft
Normal Storage38 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge120 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerMerrick County
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection04/12/2023
Emergency Action PlanNot Required

Identifiers

NID IDNE01796
Federal IDNE01796
More InfoState Dam Safety Program

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