- Update on Aluminum Smelter
- DEQ Information on Data Centers
- Environmental Complaints
- Permits for Public Participation
- Enhanced Tribal Engagement Policy
Billing System Update
DEQ is currently implementing a new billing system. During this transition, if you receive an invoice that you believe is not correct, please contact Accounts Receivable at (405) 702-1130 for assistance.
Boil order issued for Slick Public Water Supply and Copan Public Works Authority.
Aluminum Smelter Project: Inola
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Key Performance Measures
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Grants & Funding Resources
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Our Mission & True North
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Need to find a local office?
Get in Touch
Office:
Department of Environmental Quality
707 N Robinson
Oklahoma City, OK, 73102
Mailing Address:
Department of Environmental Quality
P.O.Box 1677
Oklahoma City, OK, 73101-1677
Phone:
Phone: 405-702-0100
Fax: 405-702-7102
Business Hours:
Monday - Friday: 8:00am to 4:30pm
(Except State Holidays)
