Emerald No. 1 Back Valley Western is a privately owned dam located in Franklin Township, Greene County, Pennsylvania. This Earth-type dam stands at a height of 90 feet and spans 750 feet along TR Tenmile Creek, with a storage capacity of 58.2 acre-feet. The dam is regulated by the Pennsylvania Department of Environmental Protection and undergoes regular inspections to ensure its structural integrity.

With a high hazard potential, Emerald No. 1 Back Valley Western is crucial for water resource management in the region. Despite its satisfactory condition assessment, the dam's emergency action plan status and risk assessment measures are currently undisclosed. The dam plays a vital role in flood control and water storage, highlighting the importance of proper maintenance and oversight to mitigate any potential risks associated with its operation.

As a key structure in the local water infrastructure, Emerald No. 1 Back Valley Western underscores the intersection of water resource management and climate resilience. With its strategic location along TR Tenmile Creek and its significant storage capacity, this dam serves as a critical asset for flood prevention and water supply. Continued monitoring and maintenance efforts are essential to ensure the long-term safety and effectiveness of this vital water resource infrastructure in Greene County, Pennsylvania.