Winkowitsch Dam

Winkowitsch Dam is an earth dam located in Butler County, Iowa, built in 1967. It carries a Low hazard potential classification.

About Winkowitsch Dam

The primary purpose of Winkowitsch 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 Francis Winkowitsch (private). It impounds the Tr-slims Creek near Sinclair.

The dam stands 24 feet tall and stretches 970 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 84 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, 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. The most recent inspection on record was 05/26/1999. That was over 26 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyButler
Nearest CitySinclair
River/StreamTr-slims Creek
Coordinates42.67160, -92.87160

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Height24 ft
Dam Length970 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage84 acre-ft
Max Storage84 acre-ft
Normal Storage59 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerFrancis Winkowitsch
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection05/26/1999
Emergency Action PlanNot Required

Identifiers

NID IDIA00142
Federal IDIA00142
More InfoState Dam Safety Program

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