Program Information The City of Vernon Department of Health & Environmental Control (DHEC) is focused on protecting the environment and ensuring the health and safety of its residents, workers, visitors, and neighboring communities. DHEC provides comprehensive and efficient services to accomplish this goal, tailoring its operations to regulate and meet the needs of the city's large industrial sector.\r\nDHEC provides Vernon businesses and residents with multiple programs to ensure that they are operating as required by local and State regulations. In addition, DHEC also offers numerous programs that oversee the basic needs of the community as a whole.