Lily Lake

Lily Lake is an earth dam located in Forest County, Wisconsin, built in 1976. It carries a Low hazard potential classification and has a poor condition assessment.

About Lily Lake

The primary purpose of Lily Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Nashville (local government). It impounds the Lily River.

The dam stands 7 feet tall, creates a reservoir covering 213 acres, has a maximum storage capacity of 1,000 acre-feet, and collects water from a drainage area of 18 square miles. Completed in 1976, the structure is 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 09/24/2014. That was over 11 years ago.

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Low HazardPoor ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountyForest
Nearest CityNone
River/StreamLily River
Coordinates45.40687, -88.82724

Physical Characteristics

Dam TypeEarth
NID Height7 ft
Dam Height7 ft
Year Completed1976 (50 years old)

Storage & Hydraulics

NID Storage1,000 acre-ft
Max Storage1,000 acre-ft
Normal Storage600 acre-ft
Surface Area213 acres
Drainage Area18 sq mi
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerTown Of Nashville
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection09/24/2014
Emergency Action PlanYes

Identifiers

NID IDWI12668
Federal IDWI12668
More InfoState Dam Safety Program

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