Conneaut Marsh, located in Crawford County, Pennsylvania, is a state-regulated water resource managed by the Pennsylvania Department of Environmental Protection. This recreational dam, completed in 1955, stands at a height of 8 feet and has a storage capacity of 2700 acre-feet. The dam spans 60 feet across Conneaut Creek, providing a surface area of 500 acres for outdoor enthusiasts to enjoy.

Despite its low hazard potential, Conneaut Marsh has not been rated for its condition assessment as of the last inspection in May 2016. The dam serves primarily for recreational purposes and is constructed of concrete with a buttress core design. Its location in Vernon Township offers a peaceful retreat for visitors seeking to explore the natural beauty of the region and engage in outdoor activities such as fishing, boating, and wildlife observation. As a vital water resource in the area, Conneaut Marsh plays a significant role in supporting the local ecosystem and providing a sanctuary for diverse flora and fauna.

With its picturesque setting and strategic location along Conneaut Creek, Conneaut Marsh is a noteworthy destination for water resource and climate enthusiasts. As a state-regulated dam, it ensures the safety and maintenance of the surrounding environment while offering recreational opportunities for the community. Whether for leisurely outings or environmental exploration, this serene marshland serves as a valuable asset for both residents and visitors to appreciate and protect for future generations.