The Montana Department of Environmental Quality, or Montana DEQ, is a state agency responsible for protecting the environment and public health in Montana. It oversees various programs related to air quality, water quality, waste management, and land reclamation. The agency works to ensure compliance with environmental laws and regulations, promoting sustainable practices across the state. Montana DEQ also provides resources and guidance to businesses, communities, and individuals to help them understand and meet environmental standards. Through its efforts, the agency aims to preserve Montana's natural resources while supporting economic development and public safety.