Newton Gulch is a privately owned irrigation dam located in Routt County, Colorado. Constructed in 1907, this earth dam stands at a height of 38 feet and has a storage capacity of 836 acre-feet. The dam serves the primary purpose of providing water for irrigation in the area, with a normal storage capacity of 231 acre-feet.

With a low hazard potential and fair condition assessment, Newton Gulch has undergone modifications over the years to improve its structural and hydraulic integrity. The dam features an uncontrolled spillway and a slide (sluice gate) outlet gate, with a maximum discharge capacity of 7000 cubic feet per second. The dam has been inspected regularly, with the last assessment conducted in June 2017.

Despite its age, Newton Gulch continues to play a crucial role in water resource management in the region. As a vital component of the local irrigation infrastructure, this dam demonstrates a moderate risk level (3) and highlights the ongoing efforts to ensure its safety and functionality for the surrounding community.