Department of Environmental Quality - DEQ

Mailing Address:

P.O. Box 1677 Oklahoma City, OK 73101-1677

Street Address:

707 N Robinson Oklahoma City, OK 73102

Main DEQ Phone Number:

405-702-0100
Fax: 405-702-1001

Customer Assistance Program

1-800-869-1400

24-Hour Emergency Response & Environmental Complaints Hotline

1-800-522-0206