Briar Creek Lake, also known as Briar Creek Lake Pa-497, is a state-owned recreational lake located in Columbia, Pennsylvania. Managed by the Pennsylvania Department of Environmental Protection, this earth dam was completed in 1968 and serves multiple purposes, including flood risk reduction and recreation. With a maximum storage capacity of 1,880 acre-feet and a normal storage of 360 acre-feet, the lake covers a surface area of 51 acres and has a drainage area of 5.11 square miles.

The dam stands at a height of 39 feet and stretches 1,650 feet in length, holding back the waters of the East Branch Briar Creek. Despite being classified as having a high hazard potential, the dam's condition assessment is rated as fair. Regular inspections are conducted, with the most recent one taking place in August 2020. While there are no associated structures or locks, the lake provides a serene recreational space for visitors to enjoy boating, fishing, and other outdoor activities in Briar Creek Township.

Managed by the USDA NRCS and located within the Baltimore District, Briar Creek Lake offers a picturesque setting for water resource and climate enthusiasts to explore. This site not only contributes to flood risk reduction efforts but also provides a tranquil oasis for recreational purposes. With its rich history dating back to the late 1960s, Briar Creek Lake remains an essential part of the natural landscape in Pennsylvania, offering both environmental benefits and recreational opportunities for visitors to enjoy.