Located in Sweetwater, Wyoming, the Lower Snake Draw (4th Enl.) dam serves a primary purpose of tailings management and is privately owned. Constructed in 1998, this earth dam stands at a height of 85 feet with a hydraulic height of 80 feet and a length of 12,672 feet. The dam has a storage capacity of 38,938 acre-feet and covers a surface area of 1,504 acres, with a drainage area of 6.1 square miles.

Despite having no spillway, the dam is considered to have a significant hazard potential with fair condition assessment as of the last inspection in May 2021. The risk assessment categorizes the dam as high risk, with a risk level of 2. The dam is under state regulation and jurisdiction, with permitting, inspection, and enforcement conducted by the State Engineer's Office (SEO) in Wyoming. The dam's designer is identified as John Wallace from IGES, Inc., and the dam is situated along the Snake Draw river in Green River, Wyoming.

With its strategic location and key role in managing tailings, the Lower Snake Draw (4th Enl.) dam presents a significant asset in Wyoming's water resource infrastructure. Enthusiasts of water resources and climate will find this dam's design and operational details intriguing, especially given its high risk profile and the regulatory oversight it undergoes. This dam serves as a critical component in the state's water management system, highlighting the importance of maintaining and monitoring such structures to ensure public safety and environmental protection.