Lake Of The Woods 1 Dam

Lake Of The Woods 1 Dam is an earth dam located in Monroe County, Illinois, built in 1974. It carries a Low hazard potential classification.

About Lake Of The Woods 1 Dam

The primary purpose of Lake Of The Woods 1 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Willis Brand (private). It impounds the Trib Prairie Du Long Creek near Unnamed.

The dam stands 21 feet tall and stretches 468 feet across, and has a maximum storage capacity of 204 acre-feet. Completed in 1974, 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. The most recent inspection on record was 09/12/2022.

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Low HazardNot Available ConditionEmergency Action Plan: No

Location

StateIllinois
CountyMonroe
Nearest CityUnnamed
River/StreamTrib Prairie Du Long Creek
Coordinates38.29744, -90.05996

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length468 ft
Year Completed1974 (52 years old)

Storage & Hydraulics

NID Storage204 acre-ft
Max Storage204 acre-ft
Normal Storage127 acre-ft
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerWILLIS BRAND
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Available
Last Inspection09/12/2022
Emergency Action PlanNo

Identifiers

NID IDIL00962
Federal IDIL00962
More InfoState Dam Safety Program

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