Iversen Number 2

Iversen Number 2 is an earth dam located in Jones County, South Dakota, built in 1953. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height27 ft
Built195373 years ago

Dam profile

NID height · 27 ft
27 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

27 ft tall and 750 ft long, taller than 59% 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 Iversen Number 2

The primary purpose of Iversen Number 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 G.a. Iversen (private). It impounds the Tr-bad River.

The dam stands 27 feet tall and stretches 750 feet across, and has a maximum storage capacity of 65 acre-feet. Completed in 1953, 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, -100.66332

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Height27 ft
Dam Length750 ft
Year Completed1953 (73 years old)

Storage & Hydraulics

NID Storage65 acre-ft
Max Storage65 acre-ft
Normal Storage41 acre-ft
Max Discharge1,323 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerG.a. Iversen
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDSD00479
Federal IDSD00479
More InfoState Dam Safety Program