Lower Owl Creek is a vital water supply dam located in Tamaqua Borough, Schuylkill County, Pennsylvania. Completed in 1883, this Earth-type dam stands at a height of 36 feet and has a length of 620 feet, with a maximum storage capacity of 280 acre-feet. The dam serves the primary purpose of providing water supply for the surrounding area, with a normal storage capacity of 169 acre-feet.

Managed by the Pennsylvania Department of Environmental Protection, Lower Owl Creek dam is regulated, permitted, inspected, and enforced by state authorities to ensure its safety and functionality. Despite being classified as having a high hazard potential, the dam's condition assessment is deemed satisfactory, with the last inspection conducted in October 2020. Additionally, the dam underwent modifications in 2013 to enhance its hydraulic capabilities.

For water resource and climate enthusiasts, Lower Owl Creek offers a fascinating case study in dam management and regulation. As a critical infrastructure for water supply in the region, the dam's history, design, and operational aspects provide valuable insights into the intersection of water resource management, environmental protection, and risk assessment. With its rich history dating back to the late 19th century, Lower Owl Creek dam stands as a testament to the importance of sustainable water infrastructure in the face of evolving environmental challenges.