Plaster is a local government-owned dam located in Broomfield, Colorado, with a primary purpose of irrigation. Completed in 1909, this earth dam stands at a height of 12 feet and has a storage capacity of 218 acre-feet. With a controlled spillway type and a width of 302 feet, Plaster has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment.

Despite its age, Plaster remains regulated and inspected by the Colorado Division of Water Resources, ensuring that it meets state permitting and enforcement standards. With a risk assessment indicating a very high risk level, the dam serves as a critical infrastructure for managing water resources in the region. Although last inspected in 1988, Plaster's emergency action plan status and risk management measures are currently unspecified, highlighting the need for ongoing monitoring and maintenance to ensure its continued safety and functionality in the face of evolving climate challenges.