Greene Dreher (Pa-447) is a significant local government-owned earth dam located in Dreher Township, Wayne County, Pennsylvania. Constructed in 1961 by the USDA NRCS, this dam spans 1000 feet in length and stands at a height of 20 feet, serving primarily for flood risk reduction along Manny Run. With a storage capacity of 196 acre-feet and a drainage area of 0.37 square miles, Greene Dreher plays a crucial role in mitigating flood hazards in the region.

Managed and regulated by the Pennsylvania Department of Environmental Protection, Greene Dreher has been classified as having a high hazard potential but is currently assessed to be in fair condition. The dam's inspection frequency is set at once per year, with the last assessment conducted in November 2020. While specific risk management measures and emergency action plans are not explicitly outlined for this structure, its operational oversight and state-mandated monitoring ensure ongoing safety and preparedness measures are in place for any potential emergencies.

Overall, Greene Dreher (Pa-447) stands as a key infrastructure asset in Wayne County, Pennsylvania, offering essential flood protection and water resource management capabilities for the local community. As climate change continues to impact weather patterns and intensify precipitation events, the proper maintenance and regulation of dams like Greene Dreher become increasingly vital in safeguarding against flooding risks and ensuring the resilience of water resources in the region.