Glen Loch

Duncan Creek· Chippewa, Wisconsin· Built 1875· Gravity· 37 ft tall
High Hazard Water Supply Recreation Local Government

Key Takeaway

Glen Loch is classified as high hazard in Wisconsin. It was completed in 1875 and is 151 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 37 ft (taller than 90.3% in WI)
Dam Length149 ft
Dam TypeGravity
Max Storage1.0K acre-ft
Normal Storage700 acre-ft
Surface Area45 acres
Drainage Area110 sq mi
Max Discharge6,500 cfs
Year Completed1875 (151 years old)
NID IDWI00034

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: October 26, 2020
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

City Of Chippewa Falls

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Glen Loch?

Glen Loch is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Glen Loch?

Glen Loch is owned by City Of Chippewa Falls (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Glen Loch built?

Glen Loch was completed in 1875, making it 151 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 Glen Loch?

Glen Loch serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Glen Loch?

Glen Loch has a dam height of 37 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 Glen Loch last inspected?

Glen Loch was last inspected on October 26, 2020. 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.