Mickelson Memorial Marsh South Dam

Mickelson Memorial Marsh South Dam is an earth dam located in Hamlin County, South Dakota, built in 1994. It carries a Low hazard potential classification.

About Mickelson Memorial Marsh South Dam

The primary purpose of Mickelson Memorial Marsh South Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Gf&p (state). It impounds the Trib. Big Sioux River.

The dam stands 8 feet tall and stretches 750 feet across, creates a reservoir covering 95 acres, has a maximum storage capacity of 500 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1994, the structure is 32 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 11/27/2019.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyHamlin
Nearest CityNone
River/StreamTrib. Big Sioux River
Coordinates44.58455, -96.98679

Physical Characteristics

Dam TypeEarth
NID Height8 ft
Dam Height8 ft
Dam Length750 ft
Year Completed1994 (32 years old)

Storage & Hydraulics

NID Storage500 acre-ft
Max Storage500 acre-ft
Normal Storage143 acre-ft
Surface Area95 acres
Drainage Area8 sq mi
Max Discharge120 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFish and Wildlife Pond
OwnerGF&P
Owner TypeState
Hazard ClassificationLow
Last Inspection11/27/2019
Emergency Action PlanNot Required

Identifiers

NID IDSD02386
Federal IDSD02386
More InfoState Dam Safety Program

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