The mission of the Department of Environmental Protection (DEP) is to enhance the quality of life in our community by protecting and improving Montgomery County's air, water and land in a sustainable way while fostering smart growth, a thriving economy and healthy communities. DEP staff are dedicated to providing excellent customer service to residents and businesses, and ensuring the health and sustainability of our environment. Learn more about what we do and reach out to us at: https://www.montgomerycountymd.gov/dep/contact.html