Erickson, also known as St. Michael's, is a private irrigation structure located in Weld County, Colorado. Completed in 1906, this Earth dam stands at 21 feet tall and spans a length of 1574 feet along the Ashcroft Draw river. With a maximum storage capacity of 190 acre-feet and a normal storage of 142 acre-feet, Erickson serves primarily for irrigation purposes, with additional recreational benefits.

Despite its age, Erickson is regulated and inspected by the Colorado Division of Water Resources, ensuring that it meets state permitting and enforcement standards. The dam has a high hazard potential but is currently assessed to be in fair condition as of the last inspection in December 2020. With a spillway width of 97 feet and a maximum discharge capacity of 2973 cubic feet per second, Erickson is equipped to handle moderate risk levels.

Enthusiasts interested in water resources and climate in the Evans area will find Erickson to be a fascinating structure that plays a vital role in water management and irrigation in the region. Its historical significance, alongside its design features and regulatory oversight, make it a noteworthy example of infrastructure supporting water resource management in Colorado.