Langlade County Flowage

TR TRAPPE RIVER· Langlade, Wisconsin· Built 1974· Earth· 9 ft tall
Low Hazard Flood Risk Reduction Recreation State Government

Key Takeaway

Langlade County Flowage is classified as low hazard in Wisconsin. It was completed in 1974 and is 52 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 9 ft (taller than 12% in WI)
Dam Length400 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage70 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
Max Discharge45 cfs
Year Completed1974 (52 years old)
NID IDWI00859

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: September 19, 2017
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Wisconsin Department of Natural Resources

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Langlade County Flowage?

Langlade County Flowage is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Langlade County Flowage?

Langlade County Flowage is owned by Wisconsin Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Langlade County Flowage built?

Langlade County Flowage was completed in 1974, making it 52 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Langlade County Flowage?

Langlade County Flowage serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Langlade County Flowage?

Langlade County Flowage has a dam height of 9 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Langlade County Flowage last inspected?

Langlade County Flowage was last inspected on September 19, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.