Dennis Koenig Dam

Dennis Koenig Dam is an earth dam located in Winneshiek County, Iowa, built in 2013. It carries a Low hazard potential classification.

About Dennis Koenig Dam

The primary purpose of Dennis Koenig Dam is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Dennis Koenig (private). It impounds the Trib To Yellow River near Volney.

The dam stands 28 feet tall and stretches 427 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 115 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2013, 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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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyWinneshiek
Nearest CityVolney
River/StreamTrib To Yellow River
Coordinates43.11670, -91.62280

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length427 ft
Year Completed2013 (13 years old)

Storage & Hydraulics

NID Storage115 acre-ft
Max Storage115 acre-ft
Normal Storage21 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeGrade Stabilization
OwnerDennis Koenig
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDIA04311
Federal IDIA04311
More InfoState Dam Safety Program

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