Three T No 1 Dam, located in Natrona, Wyoming, is a federal-owned structure managed by the Bureau of Land Management. Built in 1960, this gravity dam stands at a hydraulic height of 21 feet and a structural height of 23 feet, with a length of 727 feet. It serves a primary purpose of "Other" and has a storage capacity of 204.12 acre-feet, with a normal storage level of 122 acre-feet.

While the dam is classified as having a low hazard potential, its condition assessment is rated as poor, indicating a need for maintenance and potential upgrades to ensure its structural integrity and safety. The risk assessment for Three T No 1 Dam is moderate, highlighting the importance of ongoing monitoring and risk management measures. Despite its current condition, the dam continues to regulate the flow of the Unnamed Draw river and play a crucial role in water resource management in the area.

With its unique design features and historical significance, Three T No 1 Dam remains a key component of water infrastructure in Wyoming. As climate change impacts water resources and infrastructure, the importance of maintaining and improving dams like Three T No 1 Dam becomes increasingly vital to ensure the sustainability and resilience of water systems in the face of evolving environmental challenges.