Lake Anita Dam

Lake Anita Dam is an earth dam located in Cass County, Iowa, built in 1970. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Lake Anita Dam

The primary purpose of Lake Anita Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Iowa Department Of Natural Resources (state). It impounds the Tr-turkey Creek near Wiota.

The dam stands 53 feet tall and stretches 1,125 feet across, creates a reservoir covering 171 acres, has a maximum storage capacity of 4,000 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/04/2023.

At 53 feet, this dam is taller than 94% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyCass
Nearest CityWiota
River/StreamTr-turkey Creek
Coordinates41.42980, -94.78370

Physical Characteristics

Dam TypeEarth
NID Height53 ft
Dam Height53 ft
Dam Length1,125 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage4,000 acre-ft
Max Storage4,000 acre-ft
Normal Storage2,400 acre-ft
Surface Area171 acres
Drainage Area3 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerIowa Department of Natural Resources
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection09/04/2023
Emergency Action PlanNot Required

Identifiers

NID IDIA01336
Federal IDIA01336
More InfoState Dam Safety Program

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