Minersville No 4 is a rockfill dam located in Cass Township, Pennsylvania, completed in 1912 for the primary purpose of water supply. The dam has a height of 36 feet and a length of 775 feet, with a storage capacity of 481 acre-feet. However, recent inspections have revealed a poor condition assessment and a high hazard potential, making it a cause for concern among water resource and climate enthusiasts.

Managed by the Pennsylvania Department of Environmental Protection, Minersville No 4 is regulated, permitted, inspected, and enforced by state authorities. Despite its historical significance and critical role in supplying water to the surrounding area, the dam's deteriorating condition poses a potential risk to downstream communities in the event of a failure. With a high hazard potential and poor condition assessment, efforts may need to be made to improve the dam's safety and resilience to changing climate conditions.

As climate change continues to impact water resources and infrastructure, the maintenance and upkeep of dams like Minersville No 4 will be crucial in ensuring the safety and security of water supplies for local communities. With proper risk assessment and management measures, coupled with regular inspections and maintenance, Minersville No 4 can continue to serve its intended purpose while mitigating potential hazards associated with its deteriorating condition.