Guenther Wortmann Road Dam

Guenther Wortmann Road Dam is an earth dam located in Knox County, Nebraska, built in 1974. It carries a Low hazard potential classification.

About Guenther Wortmann Road Dam

Guenther Wortmann Road Dam is a dam in Knox, Nebraska. The dam is owned by Knox County Highway Superintendent (local government). It impounds the Tr-beaver Creek near Yankton Sd.

The dam stands 19 feet tall and stretches 1,120 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 222 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1974, 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 04/12/2022.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyKnox
Nearest CityYankton Sd
River/StreamTr-beaver Creek
Coordinates42.77096, -97.52524

Physical Characteristics

Dam TypeEarth
NID Height19 ft
Dam Height19 ft
Dam Length1,120 ft
Year Completed1974 (52 years old)

Storage & Hydraulics

NID Storage222 acre-ft
Max Storage222 acre-ft
Normal Storage3 acre-ft
Surface Area3 acres
Drainage Area2 sq mi
Max Discharge1,295 cfs

Ownership & Safety

PurposeOther
OwnerKnox County Highway Superintendent
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection04/12/2022
Emergency Action PlanNot Required

Identifiers

NID IDNE02239
Federal IDNE02239
More InfoState Dam Safety Program

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