Oahe Dam - Spring Creek Dam

Oahe Dam - Spring Creek Dam is an earth dam located in Campbell County, South Dakota, built in 1961. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planOn file
Last inspection07/21/2022
Height40 ft
Built196165 years ago

Dam profile

NID height · 40 ft
40 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

40 ft tall and 3,200 ft long, taller than 86% 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 Oahe Dam - Spring Creek Dam

Oahe Dam - Spring Creek Dam is a dam in Campbell, South Dakota. The dam is owned by USACE - Omaha District (federal). It impounds the Spring Creek near Pollack.

The dam stands 40 feet tall and stretches 3,200 feet across, has a maximum storage capacity of 26,000 acre-feet, and collects water from a drainage area of 660 square miles. Completed in 1961, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/21/2022.

At 40 feet, this dam is taller than 86% of dams nationwide.

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Location

StateSouth Dakota
CountyCampbell
Nearest CityPollack
River/StreamSpring Creek
Coordinates45.90867, -100.29348

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height40 ft
Dam Length3,200 ft
Year Completed1961 (65 years old)

Storage & Hydraulics

NID Storage26,000 acre-ft
Max Storage26,000 acre-ft
Drainage Area660 sq mi
Max Discharge4,400 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerUSACE - Omaha District
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection07/21/2022
Emergency Action PlanYes

Identifiers

NID IDSD02553
Federal IDSD01095S002
More InfoState Dam Safety Program