Threlkeld Dam

Threlkeld Dam is an earth dam located in Washington County, Iowa, built in 2010. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height32 ft
Built201016 years ago

Dam profile

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

32 ft tall and 200 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 Threlkeld Dam

The primary purpose of Threlkeld 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 Kevin Threlkeld (private). It impounds the Tr-skunk River near Skunk River Floodplain.

The dam stands 32 feet tall and stretches 200 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 44 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2010, the structure is relatively new.

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
CountyWashington
Nearest CitySkunk River Floodplain
River/StreamTr-skunk River
Coordinates41.20770, -91.89060

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length200 ft
Year Completed2010 (16 years old)

Storage & Hydraulics

NID Storage44 acre-ft
Max Storage44 acre-ft
Normal Storage29 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge25 cfs

Ownership & Safety

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

Identifiers

NID IDIA04092
Federal IDIA04092
More InfoState Dam Safety Program