The San Juan Reservoir is a man-made lake located in the state of New Mexico. It serves as a crucial water supply for the surrounding communities and supports various recreational activities such as fishing, boating, and camping. The reservoir is part of the larger San Juan River system, which plays a significant role in regional water management. Constructed in the mid-20th century, the San Juan Reservoir helps regulate water flow and provides flood control. It is also important for local wildlife, offering habitat for various species. The reservoir is a popular destination for outdoor enthusiasts looking to enjoy nature and engage in water sports.