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Department of Environmental Quality

The Department of Environmental Quality (DEQ) is responsible for keeping drinking water safe, outdoor air clean, and Oklahoma land clean and productive. DEQ is committed to partnering with local communities, businesses, and citizens to identify and implement protective and cost-effective environmental solutions. Among DEQ’s specific areas of responsibility:

  • Ambient air quality.
  • Water quality and conservation.
  • Land protection and remediation.
  • Environmental complaints.
  • Radioactive sources.
  • Hazardous chemical reporting.
  • Environmental laboratory accreditation.

508

Number of Employees 
(Headcount)​


Year-over-Year Expenditure Comparison By Fund Type

FY 2024 Q2 YTD Expenditures by Statewide Program

Last Modified on Jan 18, 2024
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