Morris Jensen

Morris Jensen is an earth dam located in Perkins County, South Dakota, built in 1946. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height32 ft
Built194680 years ago

Dam profile

NID height · 32 ft
32 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

32 ft tall and 400 ft long, taller than 74% 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 Morris Jensen

The primary purpose of Morris Jensen 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 Morris Jensen (private). It impounds the Tr South Grand River.

The dam stands 32 feet tall and stretches 400 feet across, and has a maximum storage capacity of 192 acre-feet. Completed in 1946, 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
CountyPerkins
Nearest CityNone
River/StreamTr South Grand River
Coordinates45.59833, -102.46332

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length400 ft
Year Completed1946 (80 years old)

Storage & Hydraulics

NID Storage192 acre-ft
Max Storage192 acre-ft
Normal Storage132 acre-ft
Max Discharge150 cfs

Ownership & Safety

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

Identifiers

NID IDSD01768
Federal IDSD01768
More InfoState Dam Safety Program