Boon is a private earth dam located on the Daniel Draw river in Campbell, Wyoming. Built in 2004 by designer Hugh Lowham, this irrigation dam stands at a height of 32 feet and has a hydraulic height of 27 feet. With a storage capacity of 56 acre-feet and a surface area of 4.1 acres, Boon serves multiple purposes including fire protection, stock, and irrigation. Despite its low hazard potential, the dam's condition assessment in 2019 rated it as poor, indicating a need for maintenance and repair.

Boon's spillway type is uncontrolled with a width of 83 feet, and it is equipped with a single valve outlet gate. The dam's drainage area is 0.03 square miles with a maximum discharge capacity of 1163 cubic feet per second. The risk assessment for Boon categorizes it as moderate, highlighting the importance of regular inspections and risk management measures to ensure the safety and functionality of the structure. Overall, Boon is a key component of water resource management in the area, providing vital irrigation and other benefits to the local community.