Hammel No. 2 is a privately owned Earth dam located in Gold Hill, Oregon, along the Murderers Gulch river. Built in 1957 for irrigation purposes, this dam stands at a height of 20 feet and has a storage capacity of 50 acre-feet. With a significant hazard potential, the dam has a hydraulic height of 18 feet and a structural height of 23.5 feet, serving a drainage area of 1.88 square miles.

Managed by the Oregon Water Resources Department, Hammel No. 2 undergoes regular state inspections and enforcement to ensure its safety and compliance with regulations. The dam, constructed by the Natural Resources Conservation Service, spans 600 feet in length and covers a surface area of 9.84 acres. Despite being not rated for its condition assessment, the dam has a maximum discharge capacity of 200 cubic feet per second and is equipped with outlet gates for water release.

With its proximity to the Portland District of the US Army Corps of Engineers, Hammel No. 2 plays a crucial role in water resource management and irrigation in the region. Climate enthusiasts and water resource professionals can appreciate the engineering and environmental impact of this structure on the local ecosystem and agricultural practices along the Murderers Gulch river in Jackson County, Oregon.