Percival/putnam Dam

Percival/putnam Dam is an earth dam located in Story County, Iowa, built in 1962. It carries a Low hazard potential classification.

About Percival/putnam Dam

The primary purpose of Percival/putnam 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 Duncan Percival & Putnam (private). It impounds the Tr-willow Creek near Mingo.

The dam stands 26 feet tall and stretches 466 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 43 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1962, 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
CountyStory
Nearest CityMingo
River/StreamTr-willow Creek
Coordinates41.88300, -93.23260

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length466 ft
Year Completed1962 (64 years old)

Storage & Hydraulics

NID Storage43 acre-ft
Max Storage43 acre-ft
Normal Storage20 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerDuncan Percival & Putnam
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA01255
Federal IDIA01255
More InfoState Dam Safety Program

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