Lawrence Lake

Lawrence Lake is a gravity dam located in Marquette County, Wisconsin, built in 1845. It carries a Low hazard potential classification and has a fair condition assessment.

About Lawrence Lake

The primary purpose of Lawrence Lake is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Lake Lawrence Rehab Dist (local government). It impounds the Lawrence Creek near Lawrence.

The dam stands 35 feet tall and stretches 500 feet across, creates a reservoir covering 221 acres, has a maximum storage capacity of 2,350 acre-feet, and collects water from a drainage area of 29 square miles. Completed in 1845, 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 06/26/2017.

At 35 feet, this dam is taller than 82% of dams nationwide.

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Low HazardFair ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountyMarquette
Nearest CityLawrence
River/StreamLawrence Creek
Coordinates43.88265, -89.54630

Physical Characteristics

Dam TypeGravity
NID Height35 ft
Dam Height35 ft
Dam Length500 ft
Year Completed1845 (181 years old)

Storage & Hydraulics

NID Storage2,350 acre-ft
Max Storage2,350 acre-ft
Normal Storage1,688 acre-ft
Surface Area221 acres
Drainage Area29 sq mi
Max Discharge1,755 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerLAKE LAWRENCE REHAB DIST
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection06/26/2017
Emergency Action PlanYes

Identifiers

NID IDWI00020
Federal IDWI00020
More InfoState Dam Safety Program

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