Crystal Lake Dam, located in Oconee, South Carolina, is a privately owned earth dam constructed in 1948 with a primary purpose of recreation. Managed by the USDA NRCS, the dam stands at 30 feet high and spans 185 feet in length, creating a reservoir with a storage capacity of 644 acre-feet. The dam's spillway is uncontrolled, and its hazard potential is classified as high, with a fair condition assessment as of November 2019.

Situated on Jerry Creek, the dam's location offers a serene and natural setting for outdoor enthusiasts to enjoy activities such as fishing, boating, and picnicking. While the dam is regulated by the SC DHEC and undergoes regular inspections, its risk assessment is moderate. The surrounding area boasts a surface area of 56 acres, providing ample space for visitors to explore and appreciate the beauty of the landscape. With a rich history dating back to its construction over 70 years ago, Crystal Lake Dam continues to be a popular destination for water resource and climate enthusiasts seeking a tranquil retreat in South Carolina.