The mission of the Oklahoma Department of Environmental Quality is to enhance the quality of life in Oklahoma and protect the health of its citizens by protecting, preserving and restoring the water, land and air of the state, thus fostering a clean, healthy, and sustainable environment.

Mailing Address: P.O. Box 1677 Oklahoma City, OK 73101-1677

Street Address: 707 N Robinson Oklahoma City, OK 73102

Main DEQ Phone Number: 405-702-0100Fax: 405-702-1001

Customer Assistance Program 1-800-869-1400

24-Hour Emergency Response & Environmental Complaints Hotline 1-800-522-0206

Links: DEQ Website DEQ Goals, Values and Behaviors Map/Driving Directions to DEQ (PDF format)