Beck Lake, located in Park County, Wyoming, is a privately owned reservoir primarily used for irrigation purposes. Completed in 1970, this earth dam structure stands at 11 feet high and has a storage capacity of 968 acre-feet, with a normal storage level of 638 acre-feet. The reservoir covers an area of 110 acres and is fed by the South Fork of the Shoshone River.

The dam at Beck Lake has a spillway type of "Uncontrolled" with a width of 8 feet, and an outlet gate consisting of a single valve. The hazard potential of the dam is considered significant, with a fair condition assessment as of the last inspection in June 2019. Despite its moderate risk assessment, the reservoir serves as a critical water resource for the surrounding area and plays a vital role in supporting agricultural activities in the region.

With its strategic location and essential role in irrigation, Beck Lake serves as a crucial water source in the region. The reservoir's design and construction reflect a commitment to water management and agricultural sustainability. As climate change continues to impact water resources, Beck Lake remains a key asset in ensuring water availability for the community and supporting the local economy.