Nw Pearson, located in Campbell, Wyoming, is a privately owned irrigation dam designed by Thomas Jaap and completed in 1970. The dam, measuring 43 feet in height and 458 feet in length, serves multiple purposes such as fire protection, stock, and small fish pond, in addition to irrigation. With a storage capacity of 114 acre-feet and a surface area of 6.8 acres, Nw Pearson plays a crucial role in water resource management in the region.

Maintained and regulated by the Wyoming State Engineer's Office and Department of Environmental Quality, Nw Pearson has a low hazard potential and fair condition assessment as of the last inspection in April 2021. The dam features an uncontrolled spillway with a width of 25 feet and an outlet gate consisting of a single valve. Despite its moderate risk assessment, Nw Pearson meets state permitting, inspection, and enforcement requirements, ensuring its continued safe operation for water users and the surrounding environment.

Situated along the West Pearson Draw river, Nw Pearson not only provides essential water resources for irrigation but also contributes to the overall water management infrastructure in the area. With its strategic location and functional design, Nw Pearson showcases the importance of sustainable water resource development and management in mitigating the impacts of climate change on water availability and quality.