Protects and enhances Virginia's environment, and promotes the health and well-being of the citizens of the Commonwealth. Administers state and federal laws and regulations for air quality, water quality, water supply and waste management. Covers a variety of environmental activities, such as improving the ability of businesses and local governments to protect the environment, and offering technical and financial assistance for air and water quality improvements. Issues permits, conducts inspections and monitoring, and enforces regulations and permits.