Forsyth is a private irrigation dam located in Sevier, Utah, along U M Creek. Constructed in 1922 by the USDA NRCS, this earth dam stands at a structural height of 65 feet and has a hydraulic height of 55 feet. With a storage capacity of 5,670 acre-feet, Forsyth serves the primary purpose of irrigation for the surrounding area. The dam is state-regulated by the Utah Division of Water Rights, ensuring proper inspection, enforcement, and permitting processes are in place.

Despite its age, Forsyth is in satisfactory condition and has a high hazard potential, highlighting the importance of regular inspections and maintenance. The dam spans 355 feet in length and has a drainage area of 73.9 square miles, with a maximum discharge of 209 cubic feet per second. The dam's spillway width is 44 feet, providing a crucial safety feature in case of overflow events. With its location in a region prone to climate variability and water resource challenges, Forsyth plays a vital role in supporting agricultural activities and water management efforts in the area.

As a key infrastructure for irrigation in Sevier, Utah, Forsyth represents a crucial piece of the water resource management system in the region. With its historical significance and ongoing regulatory oversight, the dam serves as a symbol of the intersection between human intervention in natural water systems and the need for sustainable water use practices. For water resource and climate enthusiasts, Forsyth offers a fascinating case study in the development, regulation, and maintenance of essential water infrastructure in an arid environment like Utah.