Coon Creek 15

Coon Creek 15 is an earth dam located in Vernon County, Wisconsin, built in 1962. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Coon Creek 15

The primary purpose of Coon Creek 15 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 Vernon County (local government). It impounds the Tr Timber Coulee.

The dam stands 44 feet tall and stretches 260 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1962, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/18/2016.

At 44 feet, this dam is taller than 90% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountyVernon
Nearest CityNone
River/StreamTr Timber Coulee
Coordinates43.67993, -90.86855

Physical Characteristics

Dam TypeEarth
NID Height44 ft
Dam Height44 ft
Dam Length260 ft
Year Completed1962 (64 years old)

Storage & Hydraulics

NID Storage120 acre-ft
Max Storage120 acre-ft
Normal Storage10 acre-ft
Surface Area2 acres
Drainage Area1 sq mi
Max Discharge500 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerVernon County
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/18/2016
Emergency Action PlanYes

Identifiers

NID IDWI00405
Federal IDWI00405
More InfoState Dam Safety Program

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