Ash Basin No 2 is a privately owned earth dam located in Monroe Township, Pennsylvania, with a primary purpose listed as "Other." The dam, completed in 1955, stands at a height of 136 feet and spans a length of 1800 feet, providing a storage capacity of 700 acre-feet. Situated on the Susquehanna River, this structure is regulated by the Pennsylvania Department of Environmental Protection and undergoes regular inspections, with the last one conducted in August 2020. Despite being classified as having a high hazard potential, the dam's condition assessment is currently listed as "Fair."

With a drainage area of 0.23 square miles, Ash Basin No 2 plays a crucial role in managing water resources in the region. The dam has been modified in 2000 for hydraulic purposes and features a buttress core type foundation. It is important to note that the dam is not associated with the US Army Corps of Engineers despite its significant role in water storage and flood control along the Susquehanna River. Water resource and climate enthusiasts will find this structure's design and function intriguing, as it represents a vital component of the local water management infrastructure.

Despite its high hazard potential, Ash Basin No 2 continues to serve as a key component in the water management system of Snyder County, Pennsylvania. With a storage capacity of 700 acre-feet, this privately owned dam provides essential flood control measures along the Susquehanna River. As climate change impacts water resources, structures like Ash Basin No 2 play a critical role in ensuring water security and mitigating potential risks associated with extreme weather events. Its fair condition assessment and regular inspections demonstrate a commitment to maintaining the dam's integrity and safeguarding the surrounding communities and ecosystems.