Black Creek

Black Creek is an earth dam located in Marathon County, Wisconsin, built in 1968. It carries a Low hazard potential classification and has a fair condition assessment.

About Black Creek

The primary purpose of Black Creek is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Marathon County (local government). It impounds the Tr Black Creek near Athens.

The dam stands 6 feet tall and stretches 1,100 feet across, creates a reservoir covering 65 acres, has a maximum storage capacity of 610 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1968, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/30/2013. That was over 12 years ago.

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Low HazardFair ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountyMarathon
Nearest CityAthens
River/StreamTr Black Creek
Coordinates45.05310, -90.17645

Physical Characteristics

Dam TypeEarth
NID Height6 ft
Dam Height6 ft
Dam Length1,100 ft
Year Completed1968 (58 years old)

Storage & Hydraulics

NID Storage610 acre-ft
Max Storage610 acre-ft
Normal Storage110 acre-ft
Surface Area65 acres
Drainage Area9 sq mi
Max Discharge1,125 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMarathon County
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection05/30/2013
Emergency Action PlanYes

Identifiers

NID IDWI00515
Federal IDWI00515
More InfoState Dam Safety Program

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