Sams #1 is a privately owned irrigation dam located in Powder River, Montana, along the North Fork Three Bar Creek. Built in 1944, this Earth type dam stands at a height of 22 feet and has a storage capacity of 135 acre-feet. The primary purpose of Sams #1 is to provide irrigation water for agricultural activities in the surrounding area.

Managed by the Montana Department of Natural Resources and Conservation (DNRC), Sams #1 is regulated, inspected, and enforced to ensure its safety and functionality. With a low hazard potential, this dam has not been rated for its condition assessment. Despite lacking certain data such as spillway type and discharge capacity, Sams #1 remains a vital water resource infrastructure for supporting local agriculture in the region.

Located in the Congressional District 00 of Montana, Sams #1 plays a crucial role in water resource management and climate resilience efforts in the area. As a key component of the irrigation system along the North Fork Three Bar Creek, this dam contributes to the sustainable use of water for agricultural purposes and highlights the importance of maintaining and monitoring critical water infrastructure for future generations.