Forest Wonder Lake

SWAMP CREEK· Iron, Wisconsin· Built 1932· Gravity· 10 ft tall
Low Hazard Recreation Private

Key Takeaway

Forest Wonder Lake is classified as low hazard in Wisconsin. It was completed in 1932 and is 94 years old. Its primary use is recreation.

Physical Details

Dam Height 10 ft (taller than 17.3% in WI)
Dam Length100 ft
Dam TypeGravity
Max Storage270 acre-ft
Normal Storage150 acre-ft
Surface Area39 acres
Drainage Area17 sq mi
Max Discharge557 cfs
Year Completed1932 (94 years old)
NID IDWI00615

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 17, 2017
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Canrica LLC - Ryan LaSee

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Forest Wonder Lake?

Forest Wonder Lake 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 Forest Wonder Lake?

Forest Wonder Lake is owned by Canrica LLC - Ryan LaSee (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Forest Wonder Lake built?

Forest Wonder Lake was completed in 1932, making it 94 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 Forest Wonder Lake?

Forest Wonder Lake 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 Forest Wonder Lake?

Forest Wonder Lake has a dam height of 10 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 Forest Wonder Lake last inspected?

Forest Wonder Lake was last inspected on October 17, 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.