Little Turtle River

Little Turtle River is an earth dam located in Iron County, Wisconsin, built in 1972. It carries a Low hazard potential classification and has a fair condition assessment.

About Little Turtle River

The primary purpose of Little Turtle River is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wisconsin Department Of Natural Resources (state). It impounds the Little Turtle River.

The dam stands 11 feet tall and stretches 580 feet across, creates a reservoir covering 290 acres, has a maximum storage capacity of 3,090 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1972, 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 11/02/2016.

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Low HazardFair ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountyIron
Nearest CityNone
River/StreamLittle Turtle River
Coordinates46.14350, -90.09282

Physical Characteristics

Dam TypeEarth
NID Height11 ft
Dam Height11 ft
Dam Length580 ft
Year Completed1972 (54 years old)

Storage & Hydraulics

NID Storage3,090 acre-ft
Max Storage3,090 acre-ft
Normal Storage1,000 acre-ft
Surface Area290 acres
Drainage Area16 sq mi
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerWisconsin Department of Natural Resources
Owner TypeState
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection11/02/2016
Emergency Action PlanYes

Identifiers

NID IDWI00454
Federal IDWI00454
More InfoState Dam Safety Program

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