Twin Parks 4
Key Takeaway
Twin Parks 4 is classified as low hazard in Wisconsin. It was completed in 1965 and is 61 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 31 ft (taller than 84.1% in WI) |
| Dam Length | 448 ft |
| Dam Type | Earth |
| Max Storage | 178 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 110 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | WI00359 |
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
Iowa County
Local Government
Nearby Dams
Twin Parks 12
Iowa, WI
Low Hazard 37 ftTwin Parks 3
Iowa, WI
Low Hazard 33 ftTwin Parks 6
Iowa, WI
Low Hazard 26 ftCox Hollow Number Two
Iowa, WI
High Hazard 55 ftHalverson
Iowa, WI
Low Hazard 37 ftCox Hollow Number One
Iowa, WI
Low Hazard 37 ftTwin Parks 8
Iowa, WI
Low Hazard 33 ftTwin Parks 9
Iowa, WI
Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Twin Parks 4?
Twin Parks 4 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 Twin Parks 4?
Twin Parks 4 is owned by Iowa County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Parks 4 built?
Twin Parks 4 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 Twin Parks 4?
Twin Parks 4 serves the following purposes: Flood Risk Reduction, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Twin Parks 4?
Twin Parks 4 has a dam height of 31 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 Twin Parks 4 last inspected?
Twin Parks 4 was last inspected on October 8, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.