Dutch Hollow Lake

Dutch Hollow Lake is an earth dam located in Sauk County, Wisconsin, built in 1971. It carries a Low hazard potential classification and has a fair condition assessment.

About Dutch Hollow Lake

The primary purpose of Dutch Hollow Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dutch Hollow Lake Property Owners' Association, Inc. (private). It impounds the Dutch Hollow Creek.

The dam stands 60 feet tall and stretches 750 feet across, creates a reservoir covering 125 acres, has a maximum storage capacity of 5,500 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1971, 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 05/19/2017.

At 60 feet, this dam is taller than 95% of all dams in the United States.

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Low HazardFair ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountySauk
Nearest CityNone
River/StreamDutch Hollow Creek
Coordinates43.60757, -90.18086

Physical Characteristics

Dam TypeEarth
NID Height60 ft
Dam Height60 ft
Dam Length750 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage5,500 acre-ft
Max Storage5,500 acre-ft
Normal Storage1,250 acre-ft
Surface Area125 acres
Drainage Area5 sq mi
Max Discharge110 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerDutch Hollow Lake Property Owners' Association, Inc.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection05/19/2017
Emergency Action PlanYes

Identifiers

NID IDWI00193
Federal IDWI00193
More InfoState Dam Safety Program

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