New Thomas is a key water supply infrastructure located in Weld County, Colorado, specifically in the city of Evans. Built in 1976, this earth dam stands at a height of 52 feet and has a maximum storage capacity of 5,354 acre-feet, serving the primary purpose of water supply. The dam's impressive structure spans 4,378 feet in length and has a spillway width of 153 feet, offering controlled discharge capabilities for managing water flow in the Howlett Gulch.

Managed by the Colorado Department of Water Resources and regulated by state agencies, New Thomas plays a crucial role in water resource management and climate resilience efforts in the region. With a significant hazard potential and a moderate risk assessment rating, the dam undergoes regular inspections to ensure its structural integrity and operational efficiency. Despite its age, New Thomas continues to provide satisfactory service in meeting the water supply needs of the local community, reflecting its importance in safeguarding water resources in Weld County.

As a public utility owned infrastructure, New Thomas stands as a testament to the collaborative efforts of designers McCall-Ellingson & Morrill in constructing a reliable water storage facility. With its strategic location along the Howlett Gulch and its capacity to store and manage water flow, the dam serves as a vital asset in ensuring water security and supporting sustainable development in the region. Climate enthusiasts and water resource experts alike can appreciate the critical role that New Thomas plays in safeguarding water resources and enhancing climate resilience in Weld County, Colorado.