Boulter is a privately owned earth dam located in Sublette, Wyoming, along Boulter Creek. Completed in 1956, this irrigation dam serves multiple purposes including fire protection, stock, small fish pond, and irrigation. With a height of 21 feet and a storage capacity of 766 acre-feet, Boulter Dam plays a crucial role in water resource management in the area.

Despite being classified as having a low hazard potential and fair condition assessment, Boulter Dam is subject to regular inspections by state regulatory agencies to ensure its safety and compliance with standards. The dam features an uncontrolled spillway and a single valve outlet gate for water release. Its risk assessment is rated as moderate, indicating the need for ongoing monitoring and risk management measures to safeguard against potential hazards.

Situated in a scenic location with a surface area of 42 acres and a drainage area of 2.5 square miles, Boulter Dam is not only a functional structure for water storage and distribution but also a part of the local landscape. With its strategic position and historical significance, Boulter Dam represents a vital piece of infrastructure for water resource and climate enthusiasts interested in the intersection of human engineering with natural ecosystems.