Anderson Dam

Anderson Dam is an earth dam located in Montgomery County, Iowa, built in 2000. It carries a Low hazard potential classification.

About Anderson Dam

The primary purpose of Anderson Dam is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Daniel S Anderson (private). It impounds the Tr- Tarkio River near Coin.

The dam stands 24 feet tall and stretches 532 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2000, the structure is 26 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
CountyMontgomery
Nearest CityCoin
River/StreamTr- Tarkio River
Coordinates40.95420, -95.10180

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Height24 ft
Dam Length532 ft
Year Completed2000 (26 years old)

Storage & Hydraulics

NID Storage70 acre-ft
Max Storage70 acre-ft
Normal Storage35 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeGrade Stabilization
OwnerDaniel S Anderson
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDIA03459
Federal IDIA03459
More InfoState Dam Safety Program

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