Pike Lake

Pike Lake is a gravity dam located in Washington County, Wisconsin, built in 1870. It carries a Low hazard potential classification and has a fair condition assessment.

About Pike Lake

The primary purpose of Pike Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Pike Lake Advancement Association (private). It impounds the Trib. Rubicon River near Hartford.

The dam stands 12 feet tall and stretches 200 feet across, creates a reservoir covering 522 acres, has a maximum storage capacity of 5,740 acre-feet, and collects water from a drainage area of 13 square miles. Completed in 1870, the structure is one of the older dams in the region, with over a century and a half of service.

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 08/11/2020.

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Low HazardFair ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountyWashington
Nearest CityHartford
River/StreamTrib. Rubicon River
Coordinates43.32113, -88.33461

Physical Characteristics

Dam TypeGravity
NID Height12 ft
Dam Height12 ft
Dam Length200 ft
Year Completed1870 (156 years old)

Storage & Hydraulics

NID Storage5,740 acre-ft
Max Storage5,740 acre-ft
Normal Storage1,040 acre-ft
Surface Area522 acres
Drainage Area13 sq mi
Max Discharge617 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerPike Lake Advancement Association
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection08/11/2020
Emergency Action PlanYes

Identifiers

NID IDWI00662
Federal IDWI00662
More InfoState Dam Safety Program

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