EPA in Oklahoma
EPA's work in Oklahoma is managed by our Region 6 Office in Dallas.
Learn more about EPA Region 6.
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Environmental Information
Environmental information on air, water, land, and other subjects important to Oklahoma residents.
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Hot Topics
From the latest drinking water safety study to sole source designations, learn more about the latest updates in your state.
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Public Notices, Meetings and Events
Public Notices, Meetings and Events in Oklahoma and other South Central States.
Federal and State Contacts
- Emergency Resources
- Report Environmental Violation
- Region 6 Office
- EPA Hotlines
- Oklahoma Department of Environmental Quality
To report a spill, call the National Response Center at 1-800-424-8802.