Turkey Cr Watershed Site 50d

Turkey Cr Watershed Site 50d is an earth dam located in Cass County, Iowa, built in 1974. It carries a Significant hazard potential classification and has a poor condition assessment.

About Turkey Cr Watershed Site 50d

The primary purpose of Turkey Cr Watershed Site 50d 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 Wiota.

The dam stands 31 feet tall and stretches 890 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 352 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1974, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/18/2024.

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Significant HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyCass
Nearest CityWiota
River/StreamTr-turkey Creek
Coordinates41.43330, -94.80140

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height31 ft
Dam Length890 ft
Year Completed1974 (52 years old)

Storage & Hydraulics

NID Storage352 acre-ft
Max Storage352 acre-ft
Normal Storage100 acre-ft
Surface Area14 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDIA01503
Federal IDIA01503
More InfoState Dam Safety Program

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