Knapp Dam

Knapp Dam is an earth dam located in Wayne County, Iowa, built in 1991. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height26 ft
Built199135 years ago

Dam profile

NID height · 26 ft
26 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

26 ft tall and 300 ft long, taller than 55% 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 Knapp Dam

The primary purpose of Knapp 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 William Knapp (private). It impounds the Tr- Big Fork Medicine Creek near Lucerne, Mo.

The dam stands 26 feet tall and stretches 300 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 28 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1991, the structure is 35 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
CountyWayne
Nearest CityLucerne, Mo
River/StreamTr- Big Fork Medicine Creek
Coordinates40.64160, -93.32560

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length300 ft
Year Completed1991 (35 years old)

Storage & Hydraulics

NID Storage28 acre-ft
Max Storage28 acre-ft
Normal Storage18 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA03001
Federal IDIA03001
More InfoState Dam Safety Program