Lake Irena, located in Luzerne, Pennsylvania, is a recreational reservoir with a primary purpose of providing leisure activities for locals and visitors alike. The earth dam, completed in 1963, stands at a height of 23.6 feet and has a normal storage capacity of 62 acre-feet. With a surface area of 13 acres and a drainage area of 1 square mile, the reservoir offers a serene setting for fishing, boating, and other water-based activities.

Managed by the Pennsylvania Department of Environmental Protection, Lake Irena is subject to state regulations, inspections, and enforcement to ensure its safety and compliance with environmental standards. Despite being classified as having a significant hazard potential, the dam is currently in fair condition, as assessed during the last inspection in August 2019. The reservoir's location in Hazle Township, along TR Black Creek, provides a picturesque backdrop for outdoor enthusiasts and nature lovers to enjoy.

With its historical significance dating back to the 1960s, Lake Irena continues to be a popular destination for those seeking a peaceful escape in the heart of Pennsylvania. As climate and water resource enthusiasts explore the region, they can appreciate the beauty and recreational opportunities that this man-made reservoir offers, while also recognizing the importance of maintaining its infrastructure for future generations to enjoy.