Olson Dam is an earth dam located in Corson County, South Dakota, built in 1975. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height25 ft
Built197551 years ago

Dam profile

NID height · 25 ft
25 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

25 ft tall and 215 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Olson Dam

The primary purpose of Olson Dam 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 Joe Olson (private). It impounds the Trib. Oak Creek.

The dam stands 25 feet tall and stretches 215 feet across, and has a maximum storage capacity of 556 acre-feet. Completed in 1975, 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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Location

StateSouth Dakota
CountyCorson
Nearest CityNone
River/StreamTrib. Oak Creek
Coordinates45.74999, -100.69999

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length215 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage556 acre-ft
Max Storage556 acre-ft
Normal Storage36 acre-ft
Max Discharge589 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerJoe Olson
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDSD02314
Federal IDSD02314
More InfoState Dam Safety Program