Goodhue No. 1, also known as Stearns Lake, is a local government-owned irrigation reservoir located in Boulder, Colorado. Completed in 1938, this earth dam stands at a height of 14 feet and has a maximum storage capacity of 320 acre-feet, with a normal storage level of 175 acre-feet. The reservoir covers a surface area of 29 acres and serves the primary purpose of irrigation, while also offering recreational opportunities.

Managed by the Colorado Department of Water Resources, Goodhue No. 1 is regulated, inspected, and permitted by the state to ensure its safety and functionality. The dam has a low hazard potential and is deemed to be in satisfactory condition as of its last assessment in 2014. With a spillway width of 30 feet and a maximum discharge capacity of 875 cubic feet per second, the reservoir is equipped to handle moderate risk levels and operates under the jurisdiction of the Omaha District.

Overall, Goodhue No. 1 plays a vital role in water resource management in the region, providing irrigation water for agricultural purposes and recreational amenities for the community. With its strategic location in Lafayette, Colorado, and its historical significance dating back to the 1930s, this reservoir stands as a testament to sustainable water infrastructure practices and climate resilience efforts in the area.