J.C. Temple #1, located in Hayden, Colorado, is a vital earth dam constructed in 1945 for irrigation purposes along the Temple Gulch stream. With a height of 30 feet and a length of 900 feet, this dam provides a maximum storage capacity of 888 acre-feet and serves multiple functions including fire protection, stock watering, and small fish pond maintenance. The dam's low hazard potential and fair condition assessment make it a reliable water resource infrastructure in Routt County.

Managed by private owners, J.C. Temple #1 is regulated by the Colorado Department of Water Resources, ensuring proper permitting, inspection, and enforcement measures are in place to maintain its integrity and functionality. The dam's controlled spillway, uncontrolled type, with a width of 10 feet, can handle a maximum discharge of 975 cubic feet per second, safeguarding against potential flooding risks. Despite being last inspected in 2014, with a moderate risk assessment rating, the dam continues to play a crucial role in water supply management and conservation efforts in the region.

Water resource and climate enthusiasts will find J.C. Temple #1 to be a fascinating example of sustainable water infrastructure in Colorado, highlighting the importance of proper dam maintenance and regulation in ensuring long-term water security. The dam's historical significance, combined with its multi-purpose design and moderate risk profile, underscores the need for ongoing monitoring and risk management strategies to protect both the environment and local communities from potential water-related hazards.