Olson Ranches Inc. #2

Olson Ranches Inc. #2 is an earth dam located in Jones County, South Dakota, built in 1958. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height29 ft
Built195868 years ago

Dam profile

NID height · 29 ft
29 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

29 ft tall and 277 ft long, taller than 65% 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 Ranches Inc. #2

The primary purpose of Olson Ranches Inc. #2 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 Olson Ranches Inc. (private). It impounds the Tr-bad River.

The dam stands 29 feet tall and stretches 277 feet across, and has a maximum storage capacity of 23 acre-feet. Completed in 1958, 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
CountyJones
Nearest CityNone
River/StreamTr-bad River
Coordinates44.08999, -100.97832

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length277 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage23 acre-ft
Max Storage23 acre-ft
Normal Storage15 acre-ft
Max Discharge357 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerOlson Ranches Inc.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDSD01608
Federal IDSD01608
More InfoState Dam Safety Program