Turkey Cr Watershed Site 59d-1

Turkey Cr Watershed Site 59d-1 is an earth dam located in Cass County, Iowa, built in 1990. It carries a Significant hazard potential classification and has a fair condition assessment.

About Turkey Cr Watershed Site 59d-1

The primary purpose of Turkey Cr Watershed Site 59d-1 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Cass County Swcd (local government). It impounds the Tr-turkey Creek near Anita.

The dam stands 32 feet tall and stretches 690 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 471 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1990, the structure is 36 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/18/2024.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyCass
Nearest CityAnita
River/StreamTr-turkey Creek
Coordinates41.46340, -94.74750

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length690 ft
Year Completed1990 (36 years old)

Storage & Hydraulics

NID Storage471 acre-ft
Max Storage471 acre-ft
Normal Storage94 acre-ft
Surface Area19 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCass County SWCD
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection06/18/2024
Emergency Action PlanNot Required

Identifiers

NID IDIA02497
Federal IDIA02497
More InfoState Dam Safety Program

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