Mader Dam 3

Mader Dam 3 is an earth dam located in Sioux County, Nebraska, built in 1950. It carries a Low hazard potential classification.

About Mader Dam 3

The primary purpose of Mader Dam 3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Philip & Shelley Sweetman Revocable Trusts (private). It impounds the Tr-indian Creek near Ardmore Sd.

The dam stands 18 feet tall and stretches 586 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 62 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.

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 08/26/2019.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountySioux
Nearest CityArdmore Sd
River/StreamTr-indian Creek
Coordinates42.98410, -103.77692

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length586 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage62 acre-ft
Max Storage62 acre-ft
Normal Storage24 acre-ft
Surface Area7 acres
Drainage Area1 sq mi
Max Discharge1,540 cfs

Ownership & Safety

PurposeIrrigation
OwnerPhilip & Shelley Sweetman Revocable Trusts
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection08/26/2019
Emergency Action PlanNot Required

Identifiers

NID IDNE01103
Federal IDNE01103
More InfoState Dam Safety Program

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