Hartman Creek Number One

HARTMAN CREEK· Waupaca, Wisconsin· Built 1939· Gravity· 11 ft tall
Low Hazard Recreation State Government

Key Takeaway

Hartman Creek Number One is classified as low hazard in Wisconsin. It was completed in 1939 and is 87 years old. Its primary use is recreation.

Physical Details

Dam Height 11 ft (taller than 24.3% in WI)
Dam Length150 ft
Dam TypeGravity
Max Storage225 acre-ft
Normal Storage103 acre-ft
Surface Area22 acres
Drainage Area3 sq mi
Max Discharge1,460 cfs
Year Completed1939 (87 years old)
NID IDWI00339

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: October 14, 2021
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 Hartman Creek Number One?

Hartman Creek Number One 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 Hartman Creek Number One?

Hartman Creek Number One 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 Hartman Creek Number One built?

Hartman Creek Number One was completed in 1939, making it 87 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 Hartman Creek Number One?

Hartman Creek Number One serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hartman Creek Number One?

Hartman Creek Number One has a dam height of 11 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 Hartman Creek Number One last inspected?

Hartman Creek Number One was last inspected on October 14, 2021. 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.