Arnold Dam

Arnold Dam is an earth dam located in Lucas County, Iowa, built in 1984. It carries a Low hazard potential classification.

About Arnold Dam

The primary purpose of Arnold 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 Dean Arnold (private). It impounds the Tr- Lost Branch near Rathbun Reservoir.

The dam stands 28 feet tall and stretches 550 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 115 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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
CountyLucas
Nearest CityRathbun Reservoir
River/StreamTr- Lost Branch
Coordinates40.91700, -93.23610

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length550 ft
Year Completed1984 (42 years old)

Storage & Hydraulics

NID Storage115 acre-ft
Max Storage115 acre-ft
Normal Storage61 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA02253
Federal IDIA02253
More InfoState Dam Safety Program

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