Crystal Lake, located in Luzerne, Pennsylvania, is a privately owned dam regulated by the Pennsylvania Department of Environmental Protection. Built in 1888, this Gravity-type dam stands at a height of 32 feet and spans a length of 1695 feet, with a storage capacity of 9337 acre-feet. Its primary purpose is for water supply, serving as a vital resource in Bear Creek Township and drawing from the Wapwallopen Creek.

With a high hazard potential, Crystal Lake has undergone modifications in 2007 to enhance its hydraulic capabilities. Despite its age, the dam is in satisfactory condition according to the latest inspection in August 2020. The surrounding area covers 494 acres with a drainage area of 2.5 square miles, making it a crucial component of the local water infrastructure.

Enthusiasts interested in water resources and climate will find Crystal Lake to be a fascinating example of historic dam engineering and management. Its role in water supply, regulatory oversight, and risk assessment showcase the complexities of balancing human needs with environmental stewardship in a changing climate landscape. As a key feature in the region, understanding and monitoring the condition of Crystal Lake is essential for ensuring water security and safety in Luzerne County.