Pacific No. 2, also known as Hay Meadow, is a privately owned irrigation dam located in Fremont, Wyoming, along the Sweetwater River. Built in 1922, this earth dam stands at a height of 18 feet and has a hydraulic height of 13 feet. With a length of 750 feet and a storage capacity of 1394 acre-feet, this dam serves primarily for irrigation purposes in the region.

Despite its low hazard potential, Pacific No. 2 is rated as having poor condition, as of the last inspection in July 2021. The dam has an uncontrolled spillway with a width of 400 feet and a single valve outlet gate. Its risk assessment indicates a moderate risk level, highlighting the need for continued monitoring and potential risk management measures to ensure the safety and stability of this essential water resource infrastructure.

With state regulation, inspection, and enforcement in place, Pacific No. 2 remains a crucial component of the water management system in Wyoming. As a key structure along the Sweetwater River, this dam plays a vital role in supporting agricultural activities in the region, emphasizing the importance of ongoing maintenance and risk mitigation efforts to safeguard both the dam and the surrounding community from potential water resource and climate-related challenges.