Tower Dam is an earth dam located in Todd County, South Dakota, built in 1934. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height20 ft
Built193492 years ago

Dam profile

NID height · 20 ft
20 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

20 ft tall and 620 ft long. 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 Tower Dam

The primary purpose of Tower 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 Bradley Assman (private). It impounds the Tr-antelope Creek near Hidden Timber.

The dam stands 20 feet tall and stretches 620 feet across, and has a maximum storage capacity of 314 acre-feet. Completed in 1934, the structure is well-established, with more than 75 years of service.

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
CountyTodd
Nearest CityHidden Timber
River/StreamTr-antelope Creek
Coordinates43.32547, -100.52115

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length620 ft
Year Completed1934 (92 years old)

Storage & Hydraulics

NID Storage314 acre-ft
Max Storage314 acre-ft
Normal Storage86 acre-ft
Max Discharge800 cfs

Ownership & Safety

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

Identifiers

NID IDSD00078
Federal IDSD00078
More InfoState Dam Safety Program