Bristol Head #2, also known as Upper Bristol Head or Upper Seepage, is a privately owned irrigation dam located in Mineral County, Colorado. Completed in 1928, this earth dam stands at a height of 30 feet with a hydraulic height of 25 feet and a structural height of 30 feet. It serves the primary purpose of irrigation, with a storage capacity of 540 acre-feet and a normal storage level of 305 acre-feet.

Situated on Seepage Creek in South Fork, Colorado, Bristol Head #2 covers a drainage area of 10 square miles and has a maximum discharge of 305 cubic feet per second. The dam's spillway, of uncontrolled type, has a width of 7 feet. Despite being classified as having a significant hazard potential, a recent inspection in August 2019 assessed its condition as fair, indicating that necessary maintenance and oversight are in place to manage any risks. This dam plays a crucial role in providing water resources for agricultural purposes in the region.

With its historical significance and functional importance in the local water resource management system, Bristol Head #2 stands as a testament to the engineering expertise of its time. As climate change continues to impact water availability and usage patterns, understanding and maintaining infrastructure like this dam will be vital for ensuring sustainable water resource management in the future. Its location in the beautiful Colorado landscape also serves as a reminder of the delicate balance between human needs and environmental conservation in the face of changing climate dynamics.