DEQ Hours: Opening, Closing, and Holiday Hours

The Department of Environmental Quality (DEQ) plays a pivotal role in safeguarding the natural beauty and environmental health of Oregon. As a leader in the restoration, maintenance, and enhancement of the state’s air, land, and water, DEQ’s operational hours are crucial for both the public and businesses seeking its services. This article provides a comprehensive guide to DEQ’s hours of operation, ensuring that you have access to accurate and reliable information for planning your visit or inquiry.

Standard DEQ Hours

DEQ operates with a commitment to accessibility and convenience, maintaining consistent hours for its various offices and vehicle emissions testing stations. While specific hours can vary by location, a general guideline for standard operating hours is as follows:

  • Weekdays (Monday to Friday): 8:00 AM to 5:00 PM
  • Weekends: Closed

These hours are subject to change based on location and departmental needs, so it’s always a good idea to verify with your local DEQ office.

Holiday DEQ Hours

DEQ observes all major public holidays, during which hours of operation may vary. Below is a table outlining DEQ’s holiday schedule, indicating whether offices are open, operating on extended hours, or closed.

New Year’s DayClosed
MLK Jr. DayClosed
Presidents’ DayClosed
Memorial DayClosed
Independence DayClosed
Labor DayClosed
Columbus DayClosed
Veterans DayClosed
Christmas DayClosed
Inauguration DayClosed

Please note that DEQ offices and vehicle emissions testing stations will resume regular hours following a holiday closure.

Finding DEQ: Location Details

For your convenience, you can find the nearest DEQ office or vehicle emissions testing station by visiting DEQ’s Location Map.

DEQ Contact Information

For inquiries, assistance, or services, DEQ can be reached through the following contact details:

  • Phone (Portland Area): 503-229-5066
  • Phone (Medford Area): 541-776-6145
  • Toll-Free in Oregon: 877-476-0583
  • Hearing Impaired: 711
  • Website:
  • Email: Use the Contact Form for questions not related to vehicle inspection.

About DEQ

The Oregon Department of Environmental Quality is a regulatory agency whose mission is to lead in the restoration, maintenance, and enhancement of the quality of Oregon’s air, land, and water. With a focus on environmental protection and sustainability, DEQ implements a wide range of programs, regulations, and initiatives aimed at preserving the state’s natural resources for future generations.

What DEQ Offers

DEQ offers a variety of services and programs designed to protect the environment and public health, including:

  • Vehicle Emissions Testing: Ensuring vehicles meet Oregon’s emissions standards.
  • Environmental Cleanup: Managing the cleanup of contaminated sites to protect public health and the environment.
  • Air and Water Quality Monitoring: Tracking and improving the quality of Oregon’s air and water.
  • Waste Management: Promoting recycling, waste reduction, and safe disposal of hazardous materials.

Environmental Initiatives and Programs

DEQ is at the forefront of numerous environmental initiatives aimed at combating pollution, promoting sustainable practices, and ensuring the well-being of Oregon’s ecosystems. These initiatives include:

  • Air Quality Improvement: DEQ monitors air quality across the state, implementing programs to reduce air pollution from industrial sources, vehicles, and other contributors. This includes the Air Quality Index (AQI) reporting, which provides real-time data on air pollution levels, helping residents make informed decisions about outdoor activities.
  • Water Quality Protection: DEQ’s water quality programs focus on preserving and enhancing the quality of Oregon’s rivers, lakes, and streams. This involves issuing permits to regulate discharges into water bodies, overseeing wastewater treatment, and managing non-point source pollution.
  • Land Quality and Cleanup: DEQ manages the cleanup of hazardous waste sites and brownfields, turning contaminated properties into safe, usable spaces. The agency also regulates the disposal of hazardous materials and oversees the remediation of contaminated soil and groundwater.

Community Engagement and Education

DEQ actively engages with communities across Oregon to educate and involve them in environmental stewardship. This includes:

  • Public Meetings and Hearings: DEQ hosts meetings and hearings to inform the public about environmental issues, proposed regulations, and projects. These events provide a platform for community members to voice their opinions and contribute to decision-making processes.
  • Educational Resources: DEQ offers a wealth of educational materials on its website, including guides on recycling, composting, air and water quality, and how individuals can reduce their environmental footprint.
  • Volunteer Opportunities: DEQ supports and promotes volunteer opportunities related to environmental cleanup, monitoring, and conservation efforts, encouraging community involvement in preserving Oregon’s natural beauty.

Sustainability and Climate Action

Understanding the global impact of climate change, DEQ is committed to sustainability and climate action through:

  • Greenhouse Gas Reduction: DEQ implements strategies to reduce greenhouse gas emissions from various sectors, including transportation, industry, and energy production. This includes promoting renewable energy sources and energy efficiency measures.
  • Climate Change Adaptation: DEQ works on adapting Oregon’s policies and infrastructure to better withstand the impacts of climate change, ensuring the resilience of the state’s environment, economy, and communities.

DEQ’s Role in Economic Development

DEQ’s work also intersects with economic development, as the agency’s regulations and programs can influence business operations, real estate development, and job creation in Oregon. By ensuring that businesses comply with environmental standards, DEQ helps create a sustainable economic environment that attracts investment and supports healthy communities.

  • Business Assistance: DEQ provides assistance to businesses to help them understand and comply with environmental regulations, ensuring that economic activities do not come at the expense of the state’s natural resources.
  • Permitting and Licensing: Through its permitting and licensing programs, DEQ ensures that new developments and business operations meet environmental standards, contributing to sustainable growth and development.


Q: How can I find the nearest DEQ vehicle emissions testing station?
A: Visit DEQ’s website and use the location finder tool to locate the nearest testing station.

Q: Are DEQ offices open on weekends?
A: DEQ offices and vehicle emissions testing stations are typically closed on weekends.

Q: What should I do if I need DEQ services outside of standard operating hours?
A: Many of DEQ’s services and forms are available online. For specific inquiries, you can contact DEQ through their website or leave a message for a callback during regular business hours.

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