Koekenhoff Dam

Koekenhoff Dam is an earth dam located in Emmet County, Iowa, built in 2006. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height13 ft
Built200620 years ago

Dam profile

NID height · 13 ft
13 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

13 ft tall and 180 ft long. 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 Koekenhoff Dam

The primary purpose of Koekenhoff Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Julie Koekenhoff (private). It impounds the Tr- Des Moines River near Graettinger.

The dam stands 13 feet tall and stretches 180 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 108 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2006, 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.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateIowa
CountyEmmet
Nearest CityGraettinger
River/StreamTr- Des Moines River
Coordinates43.28250, -94.73140

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length180 ft
Year Completed2006 (20 years old)

Storage & Hydraulics

NID Storage108 acre-ft
Max Storage108 acre-ft
Normal Storage22 acre-ft
Surface Area9 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFish and Wildlife Pond
OwnerJulie Koekenhoff
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA03654
Federal IDIA03654
More InfoState Dam Safety Program