Bentley is a private earth dam located in Natrona, Wyoming, specifically in the Big Muddy Oil Field area. Completed in 1960, this irrigation dam stands at a height of 26 feet and has a storage capacity of 104 acre-feet. With a surface area of 8 acres and a drainage area of 0, Bentley primarily serves the purpose of irrigation, utilizing a stone core type and soil foundation to support its structure.

Despite being classified as having a low hazard potential and fair condition assessment, Bentley is subject to state regulation, permitting, inspection, and enforcement by the Wyoming State Engineer's Office. The dam features an uncontrolled spillway with a width of 30 feet and one slide gate for outlet control. Its last inspection in June 2020 deemed it in satisfactory condition, with a moderate risk assessment rating of 3.

Located along Claud Creek, Bentley plays a crucial role in water resource management in the area, ensuring the availability of water for agricultural purposes. With its strategic positioning and operational efficiency, Bentley stands as a vital infrastructure for the local community, contributing to the sustainable utilization of water resources in Wyoming. For water resource and climate enthusiasts, Bentley serves as a fascinating example of human-engineered infrastructure working in harmony with the natural environment to support vital irrigation needs.