Thompson Dam

Thompson Dam is an earth dam located in Decatur County, Iowa, built in 1990. It carries a Low hazard potential classification.

About Thompson Dam

The primary purpose of Thompson 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 John Thompson (private). It impounds the Tr- Lick Branch near State Of Missouri.

The dam stands 26 feet tall and stretches 400 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1990, the structure is 36 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
CountyDecatur
Nearest CityState Of Missouri
River/StreamTr- Lick Branch
Coordinates40.63310, -93.63570

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length400 ft
Year Completed1990 (36 years old)

Storage & Hydraulics

NID Storage86 acre-ft
Max Storage86 acre-ft
Normal Storage37 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerJohn Thompson
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA02514
Federal IDIA02514
More InfoState Dam Safety Program

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