William L. Cochran Impounding, also known as Lower Kittanning Reservoir, is a vital water resource located in Logan Township, Blair, Pennsylvania. Owned by the local government, this earth dam structure was completed in 1898 and serves primarily for water supply purposes. With a dam height of 60 feet and a storage capacity of 1420 acre-feet, this reservoir plays a crucial role in managing the water resources in the area.

Managed and regulated by the Pennsylvania Department of Environmental Protection, William L. Cochran Impounding is subject to regular inspections to ensure its structural integrity and safety. The dam has a high hazard potential, but the condition assessment has deemed it to be satisfactory. Even though it has not been modified in recent years, the dam remains a significant feature in the region's water management infrastructure.

Water and climate enthusiasts will find William L. Cochran Impounding to be a fascinating site, given its historical significance and importance in providing water supply. With its location on Burgoo Run and its role in serving the community, this reservoir stands as a testament to the ingenuity of past engineering efforts in water resource management.