Robert Calkinsor

Robert Calkinsor is an earth dam located in Stanley County, South Dakota, built in 1966. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height22 ft
Built196660 years ago

Dam profile

NID height · 22 ft
22 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

22 ft tall and 525 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 Robert Calkinsor

The primary purpose of Robert Calkinsor 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 Robert Calkinsor (private). It impounds the Trib. Bad River near Fort Pierre.

The dam stands 22 feet tall and stretches 525 feet across, and has a maximum storage capacity of 64 acre-feet. Completed in 1966, 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
CountyStanley
Nearest CityFort Pierre
River/StreamTrib. Bad River
Coordinates44.17999, -100.41499

Physical Characteristics

Dam TypeEarth
NID Height22 ft
Dam Height22 ft
Dam Length525 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage64 acre-ft
Max Storage64 acre-ft
Normal Storage35 acre-ft
Max Discharge588 cfs

Ownership & Safety

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

Identifiers

NID IDSD01560
Federal IDSD01560
More InfoState Dam Safety Program