Bown Dam

Bown Dam is an earth dam located in Stanley County, South Dakota, built in 1957. It carries a Low hazard potential classification.

About Bown Dam

The primary purpose of Bown Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Thomas & Diane Bown (private). It impounds the Brush Creek-tr.

The dam stands 31 feet tall and stretches 1,084 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 290 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1957, 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.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyStanley
River/StreamBrush Creek-tr
Coordinates44.66666, -100.80166

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height31 ft
Dam Length1,084 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage290 acre-ft
Max Storage290 acre-ft
Normal Storage113 acre-ft
Surface Area19 acres
Drainage Area2 sq mi
Max Discharge1,620 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerThomas & Diane Bown
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDSD01590
Federal IDSD01590
More InfoState Dam Safety Program

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