Knapp Dam

Knapp Dam is an earth dam located in Ringgold County, Iowa, built in 1959. It carries a Low hazard potential classification.

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 Richard A Knapp (private). It impounds the Tr-middle Fork Grand River near State Of Missouri.

The dam stands 29 feet tall and stretches 550 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, the structure is well into its service life at over 50 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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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyRinggold
Nearest CityState Of Missouri
River/StreamTr-middle Fork Grand River
Coordinates40.63320, -94.34740

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length550 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage90 acre-ft
Max Storage90 acre-ft
Normal Storage74 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerRichard A Knapp
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA00974
Federal IDIA00974
More InfoState Dam Safety Program

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