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Welcome to the Oklahoma Department of Environmental Quality

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This page was last updated on December 20, 2012

On Line Complaints Form 2012 Drought Information

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Mercury in Fish Advisory


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Street Address:
Oklahoma Department of Environmental Quality
707 N Robinson
Oklahoma City, OK 73102

Map to DEQ (PDF)

Mailing Address:
Oklahoma Department of Environmental Quality
P.O. Box 1677
Oklahoma City, OK 73101-1677

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

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