Thompson Dam

Thompson Dam is an earth dam located in Lee County, Iowa, built in 1979. 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 Charles N Thompson (private). It impounds the Tr-lick Cr near Croton.

The dam stands 38 feet tall and stretches 250 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 64 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1979, the structure is 47 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.

At 38 feet, this dam is taller than 85% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyLee
Nearest CityCroton
River/StreamTr-lick Cr
Coordinates40.62800, -91.69350

Physical Characteristics

Dam TypeEarth
NID Height38 ft
Dam Height38 ft
Dam Length250 ft
Year Completed1979 (47 years old)

Storage & Hydraulics

NID Storage64 acre-ft
Max Storage64 acre-ft
Normal Storage48 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA02074
Federal IDIA02074
More InfoState Dam Safety Program

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