Bay City 1

Tributary - Mississippi River· Pierce, Wisconsin· Built 1965· Earth· 42 ft tall
Low Hazard Debris Control Flood Risk Reduction Local Government

Key Takeaway

Bay City 1 is classified as low hazard in Wisconsin. It was completed in 1965 and is 61 years old. Its primary use is debris control.

Physical Details

Dam Height 42 ft (taller than 94.4% in WI)
Dam Length420 ft
Dam TypeEarth
Max Storage340 acre-ft
Normal Storage80 acre-ft
Surface Area12 acres
Drainage Area4 sq mi
Max Discharge199 cfs
Year Completed1965 (61 years old)
NID IDWI00383

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: May 9, 2012
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Pierce County

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bay City 1?

Bay City 1 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 Bay City 1?

Bay City 1 is owned by Pierce County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bay City 1 built?

Bay City 1 was completed in 1965, making it 61 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 Bay City 1?

Bay City 1 serves the following purposes: Debris Control, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Bay City 1?

Bay City 1 has a dam height of 42 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 Bay City 1 last inspected?

Bay City 1 was last inspected on May 9, 2012. 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.