Hurst Number 1

Hurst Number 1 is an earth dam located in Jones County, South Dakota, built in 1961. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height29 ft
Built196165 years ago

Dam profile

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

29 ft tall and 390 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 Hurst Number 1

The primary purpose of Hurst Number 1 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 Hurst Ranch (private). It impounds the Tr-bad River.

The dam stands 29 feet tall and stretches 390 feet across, and has a maximum storage capacity of 49 acre-feet. 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.

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Location

StateSouth Dakota
CountyJones
Nearest CityNone
River/StreamTr-bad River
Coordinates43.97166, -100.95499

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length390 ft
Year Completed1961 (65 years old)

Storage & Hydraulics

NID Storage49 acre-ft
Max Storage49 acre-ft
Normal Storage32 acre-ft
Max Discharge2,520 cfs

Ownership & Safety

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

Identifiers

NID IDSD00469
Federal IDSD00469
More InfoState Dam Safety Program