Public Works and Environmental Services

Fairfax County, Virginia



Our administrative 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


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.

Learn More

Search Public Works & Environmental Services

News Stories

beech leaf disease images

January 13, 2023
FAIRFAX COUNTY, Va. – If the leaves of beech tree saplings have dark green stripes in the veins, or if more mature trees have reduced foliage, they may be showing signs of beech leaf disease (BLD). Infected trees may also exhibit puckered, cupped or distorted leaves.

Screenshote of Capital Projects home page

January 9, 2023
The DPWES Capital Projects website has a new look and improved functionality. With our visitors in mind, we have made some enhancement changes.

Underground view of the sewer system

January 3, 2023
Significant changes have been made to the county's Sanitary Sewer Policy for only the second time since it was adopted 42 years ago. The Department of Public Works and Environmental Services Wastewater Planning and Monitoring Division (WPMD) spearheaded the revisions. "The policy facilitates community and economic development as envisioned by the County's Comprehensive Plan and allows the cost of upsizing sewer facilities to be shared with developers proportionately, regardless of the size of development projects," said WPMD Director Shahram Mohsenin.

Featured Video

Fairfax County Wastewater Collection Division Extends Useful Life of Assets with Minimum Disruptions


Water's Journey

Drinking Water - Wastewater - Stormwater

Clean water is our most important resource. To preserve water quality for future generations, we need to understand where water comes from, how we use it, and where it goes when it leaves our homes and businesses. 

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.

Fairfax Virtual Assistant