Anderson #1

Anderson #1 is an earth dam located in Mellette County, South Dakota, built in 1956. It carries a Low hazard potential classification.

About Anderson #1

The primary purpose of Anderson #1 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Stan Anderson (private). It impounds the Tr Black Pipe Offstream.

The dam stands 45 feet tall and stretches 528 feet across, and has a maximum storage capacity of 195 acre-feet. Completed in 1956, 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.

At 45 feet, this dam is taller than 91% of dams nationwide.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyMellette
Nearest CityNone
River/StreamTr Black Pipe Offstream
Coordinates43.59499, -101.16332

Physical Characteristics

Dam TypeEarth
NID Height45 ft
Dam Height45 ft
Dam Length528 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage195 acre-ft
Max Storage195 acre-ft
Normal Storage178 acre-ft
Max Discharge845 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerSTAN ANDERSON
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDSD01465
Federal IDSD01465
More InfoState Dam Safety Program

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