John L. Campbell No. 1 is a private irrigation dam located in Carbon County, Wyoming, along the Indian Creek. Built in 1912, this earth dam stands at 18 feet high and has a storage capacity of 56 acre-feet. Despite its age, the dam is still in use for irrigation purposes, with a valve outlet gate for water control.

Although classified as having a low hazard potential, the dam's condition assessment is poor, indicating a need for maintenance and potential upgrades to ensure its continued safety and functionality. The dam has a moderate risk rating, with a history of inspections dating back to July 2021. With a spillway width of 30 feet, the dam is designed to handle uncontrolled spillage during high water events.

This historic dam serves as a crucial water resource for the surrounding area, highlighting the importance of ongoing monitoring and maintenance to protect both the dam and downstream communities from potential risks. Enthusiasts of water resources and climate change will find John L. Campbell No. 1 to be a fascinating case study in the intersection of infrastructure, environment, and sustainability.