Independence

Independence is a gravity dam located in Trempealeau County, Wisconsin, built in 1877. It carries a High hazard potential classification and has a fair condition assessment.

About Independence

The primary purpose of Independence is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Independence (local government). It impounds the Elk Creek near Independence.

The dam stands 23 feet tall and stretches 100 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 350 acre-feet, and collects water from a drainage area of 113 square miles. Completed in 1877, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 10/08/2021.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Wisconsin dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWisconsin
CountyTrempealeau
Nearest CityIndependence
River/StreamElk Creek
Coordinates44.35826, -91.42001

Physical Characteristics

Dam TypeGravity
NID Height23 ft
Dam Height23 ft
Dam Length100 ft
Year Completed1877 (149 years old)

Storage & Hydraulics

NID Storage350 acre-ft
Max Storage350 acre-ft
Normal Storage100 acre-ft
Surface Area35 acres
Drainage Area113 sq mi
Max Discharge11,900 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerCity Of Independence
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection10/08/2021
Emergency Action PlanYes

Identifiers

NID IDWI00209
Federal IDWI00209
More InfoState Dam Safety Program

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