Yellow Head Marsh Dam
Key Takeaway
Yellow Head Marsh Dam is classified as low hazard in Illinois. It was completed in 1990 and is 36 years old. Its primary use is other.
Physical Details
| Dam Height | 7 ft (taller than 0.5% in IL) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 579 acre-ft |
| Normal Storage | 0 acre-ft |
| Max Discharge | 400 cfs |
| Year Completed | 1990 (36 years old) |
| NID ID | IL50261 |
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
ILLINOIS DEPARTMENT OF NATURAL RESOURCES
State Government
Nearby Dams
Black Tern Marsh Dam
McHenry, IL
Low Hazard 7 ftStratton Lock and Dam
McHenry, IL
Significant Hazard 7 ftIsland Lake Dam
McHenry, IL
Low Hazard 12 ftThunderbird Lake 1 Dam
McHenry, IL
Low Hazard 7 ftThunderbird Lake 2 Dam
McHenry, IL
Low Hazard 10 ftSilver Lake Dam
McHenry, IL
Low Hazard 23 ftSlocum Lake Dam
Lake, IL
Low Hazard 8 ftPond 2a Dam
Lake, IL
Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Yellow Head Marsh Dam?
Yellow Head Marsh Dam 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 Yellow Head Marsh Dam?
Yellow Head Marsh Dam is owned by ILLINOIS DEPARTMENT OF NATURAL RESOURCES (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Yellow Head Marsh Dam built?
Yellow Head Marsh Dam was completed in 1990, making it 36 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 Yellow Head Marsh Dam?
Yellow Head Marsh Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Yellow Head Marsh Dam?
Yellow Head Marsh Dam has a dam height of 7 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 Yellow Head Marsh Dam last inspected?
Yellow Head Marsh Dam was last inspected on May 20, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.