Lake Constance, located in Wayne, Pennsylvania, is a private water resource regulated by the Pennsylvania Department of Environmental Protection. This man-made lake, completed in 1918, serves primarily for recreational purposes and covers an area of 53 acres with a maximum storage capacity of 321 acre-feet. The dam, measuring 16 feet in height and 180 feet in length, stands along Swamp Brook and has a significant hazard potential, although its current condition is assessed as fair.

Despite its modest size, Lake Constance offers a serene retreat for water and climate enthusiasts, with its tranquil waters providing a perfect setting for various recreational activities. The dam's earth construction with a buttress core adds to the lake's picturesque charm, while its regulated state jurisdiction ensures proper inspection, enforcement, and permitting. With a drainage area of 3.6 square miles, the lake contributes to the region's water management efforts and serves as a vital resource for the community.

As a beloved landmark in Palmyra Township, Lake Constance remains a popular destination for locals and visitors alike, offering a peaceful oasis for fishing, boating, and enjoying the natural surroundings. With its historical significance dating back over a century, this man-made reservoir continues to be a valuable asset for Wayne, Pennsylvania, embodying the harmonious blend of recreation, conservation, and sustainable water resource management.