Public Works and Environmental Services

CONTACT INFORMATION: Our offices are open to the public by appointment only at this time. Please call or email 8 a.m. - 4:30 p.m., Monday - Friday
703-324-5033 TTY 711
12000 Government Center Parkway
Suite 448 Fairfax, VA 22035
Christopher S. Herrington
Director
Public works and environmental services

What We Do

The Department of Public Works and Environmental Services builds and maintains safe, reliable infrastructure that improves public health and provides a high quality of life for residents. The department’s four business areas – Solid Waste Management, Capital Facilities, Wastewater Management, and Stormwater Management – work together to create and preserve sustainable communities.

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Department Resources

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Capital Projects
Recycling & Trash
Stormwater
Trees
Wastewater
Educational Resources

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News Stories

national public works week banner 2025

DPWES Recognizes National Public Works Week
May 19, 2025
National Public Works Week (NPWW) is an annual event recognized in the Public Works industry during the third week in May.
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Sewer diagram
What’s a Pump Station — And Why Should You Care?
April 25, 2025
You flush. It goes away. But have you ever wondered where it goes—and how it gets there?
Eastern Meadowlark
County Adjusts Mowing Procedures to Protect Birds at I-95 Landfill
March 18, 2025
Endangered grassland bird species, such as the Eastern meadowlark and grasshopper sparrow, have found refuge in Fairfax County thanks to a 50-acre swath of meadowland atop the I-95 Landfill Complex in Lorton and some modified land management procedures there. Recent efforts by the Department of Public Works and Environmental Services (DPWES) are helping the birds survive and thrive at the landfill.

Featured Video

Fairfax County relies on the newly named Water Resources Infrastructure to safely manage stormwater, wastewater, and our urban forest. Their programs protect and restore our vital natural resources, serve the community, and safeguard the environment and public health. Their new facility (opening in 2026) will house them all under one roof.

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Grassland Birds at the I-95 Landfill Complex

On EnviroPod

Grassland Birds at the I-95 Landfill Complex: EnviroPod #52

In Episode #52 of EnviroPod, host Bob DeMarco sits down with guest Blair Evancho of the Solid Waste Management Program, who describes the unique habitat of the closed-and-capped portion of the I-95 Landfill in Lorton that is supporting a wide variety of bird species. According to a recent DPWES study led by Evancho, endangered grassland bird species such as the Eastern meadowlark, the bobolink and the grasshopper sparrow are thriving there. Evancho describes the I-95 Landfill Complex as an important part of saving en

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Water Resources and Infrastructure

Protecting our water, infrastructure, and our trees is an important job. We move, clean, and manage water to ensure access to clean drinking water and healthy streams. Our forests help enhance our community by providing habitat for wildlife, clean air, and protecting our stream banks. The County relies on our infrastructure to safely manage stormwater, wastewater, and our urban forest. WRI programs aim to protect and restore our vital natural resources which serve the community and safeguard the environment and public health.

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APWA Accredited Agency

APWA Accredited Agency logoThe Fairfax County Department of Public Works and Environmental Services is accredited by the American Public Works Association. This prestigious national accreditation program recognizes public works agencies that comply with or exceed recommended best practices. The recognition affirms the department’s commitment to providing the highest quality services to Fairfax County residents.

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