Arnold Lake Dam

Arnold Lake Dam is an earth dam located in Story County, Iowa, built in 1964. It carries a Low hazard potential classification.

About Arnold Lake Dam

The primary purpose of Arnold Lake 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 Wt Arnold (private). It impounds the Tr-skunk River near Ames.

The dam stands 36 feet tall and stretches 330 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 49 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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.

At 36 feet, this dam is taller than 83% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyStory
Nearest CityAmes
River/StreamTr-skunk River
Coordinates42.06000, -93.60440

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length330 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage49 acre-ft
Max Storage49 acre-ft
Normal Storage35 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA01022
Federal IDIA01022
More InfoState Dam Safety Program

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