Hidden Valley Lake
Key Takeaway
Hidden Valley Lake is classified as low hazard in Wisconsin. It was completed in 1975 and is 51 years old. Its primary use is recreation.
Physical Details
| Dam Height | 35 ft (taller than 88.5% in WI) |
| Dam Length | 720 ft |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 247 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 133 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | WI00855 |
Safety Information
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?
Ownership
Hidden Valley Homeowners Association
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Hidden Valley Lake?
Hidden Valley 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 Hidden Valley Lake?
Hidden Valley Lake is owned by Hidden Valley Homeowners Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hidden Valley Lake built?
Hidden Valley Lake was completed in 1975, making it 51 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 Hidden Valley Lake?
Hidden Valley 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 Hidden Valley Lake?
Hidden Valley Lake has a dam height of 35 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 Hidden Valley Lake last inspected?
Hidden Valley Lake was last inspected on May 28, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.