Wachusett Lake Dam in Westminster, Massachusetts, stands as a vital piece of infrastructure for water supply in the region. Built in 1905, this earth dam is designed to hold back the waters of a tributary of Flag Brook, with a height of 3.5 feet and a storage capacity of 579 acre-feet. The dam serves as a key component in managing the water resources of the area, with a primary purpose of providing water supply to the local community.

Despite being classified as having a significant hazard potential, the dam is in fair condition as of the last assessment in 2012. It is regulated by the Department of Conservation and Recreation of Massachusetts, ensuring that inspections, permitting, and enforcement are carried out to maintain its integrity. The dam's spillway type is uncontrolled, with a width of 0 feet. The surrounding area has a drainage area of 2.17 square miles, emphasizing the importance of the dam in managing water flow and storage in the region.

Overall, Wachusett Lake Dam plays a crucial role in the water resource management of Worcester, Massachusetts. With its moderate risk assessment and fair condition, ongoing inspections and risk management measures are essential for ensuring the safety and functionality of this key piece of infrastructure for water supply in the region.