Welsh is a privately owned irrigation dam located in Wolcott, Eagle County, Colorado, along Alkali Creek. Constructed in 1915, this Earth type dam stands at a height of 36 feet and has a storage capacity of 216 acre-feet, with a normal storage level of 142 acre-feet. The dam has undergone several modifications over the years, with the most recent ones in 2011 focusing on mechanical and structural improvements.

With a spillway width of 80 feet and a maximum discharge capacity of 2098 cubic feet per second, Welsh poses a significant hazard potential but is currently assessed to be in satisfactory condition. The dam is regularly inspected every two years, with the last assessment conducted in June 2019. Despite the moderate risk level assigned to it, Welsh meets regulatory guidelines and has emergency action plans in place, ensuring that it is well-prepared to handle any potential emergencies.

As a crucial structure for irrigation purposes in the region, Welsh plays a vital role in managing water resources and supporting agricultural activities. Its strategic location and historical significance make it a valuable asset within the community, highlighting the importance of maintaining and monitoring its condition to ensure the safety and sustainability of water management practices in the area.