Ohnemus Farms Dam

Ohnemus Farms Dam is an earth dam located in Warren County, Iowa, built in 1990. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height29 ft
Built199036 years ago

Dam profile

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

29 ft tall and 315 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 Ohnemus Farms Dam

The primary purpose of Ohnemus Farms Dam 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 Ohnemus Farms Inc (private). It impounds the Tr- Buck Creek near Red Rock Reservoir.

The dam stands 29 feet tall and stretches 315 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 33 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1990, the structure is 36 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

StateIowa
CountyWarren
Nearest CityRed Rock Reservoir
River/StreamTr- Buck Creek
Coordinates41.28200, -93.39840

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length315 ft
Year Completed1990 (36 years old)

Storage & Hydraulics

NID Storage33 acre-ft
Max Storage33 acre-ft
Normal Storage15 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA02668
Federal IDIA02668
More InfoState Dam Safety Program