Conneaut Marsh
Key Takeaway
Conneaut Marsh is classified as low hazard in Pennsylvania. It was completed in 1955 and is 71 years old. Its primary use is recreation.
Physical Details
| Dam Height | 8 ft (taller than 2.3% in PA) |
| Dam Length | 60 ft |
| Dam Type | Concrete |
| Max Storage | 2.7K acre-ft |
| Normal Storage | 2.7K acre-ft |
| Surface Area | 500 acres |
| Drainage Area | 68 sq mi |
| Year Completed | 1955 (71 years old) |
| NID ID | PA00178 |
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
PA GAME COMMISSION
State Government
Nearby Dams
Lake La Tsuga
Crawford, PA
Low Hazard 8 ftCustards
Crawford, PA
Low Hazard 8 ftRainbow (Pa-460)
Crawford, PA
High Hazard 40 ftTamarack Lake A (Pa-461a)
Crawford, PA
High Hazard 23 ftCresswell Upper
Mercer, PA
Significant Hazard 5 ftCresswell Lower
Mercer, PA
Significant Hazard 15 ftDam PA02013
Mercer, PA
Low Hazard 12 ftTamarack Lake B (Pa-461b)
Crawford, PA
High Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Conneaut Marsh?
Conneaut Marsh 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 Conneaut Marsh?
Conneaut Marsh is owned by PA GAME COMMISSION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Conneaut Marsh built?
Conneaut Marsh was completed in 1955, making it 71 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 Conneaut Marsh?
Conneaut Marsh 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 Conneaut Marsh?
Conneaut Marsh has a dam height of 8 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 Conneaut Marsh last inspected?
Conneaut Marsh was last inspected on May 26, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.