Public Works and Environmental Services

Fairfax County, Virginia

CONTACT INFORMATION: Our administrative offices are open Mon – Fri by phone, email, and virtual 8 a.m. - 4:30 p.m. Front-desk hours 9 a.m. – noon.

TTY 711

12000 Government Center Parkway
Suite 358, Fairfax, Va 22035

Shahram Mohsenin,
Director, Wastewater Planning & Monitoring

Wastewater Management News, Videos and Podcasts


Wastewater Management News

Reston Fire Station
- FAIRFAX COUNTY, Va. – The Mid-Atlantic Chapter Regional Awards for the American Public Works Association brought big wins for the Department of Public Works and Environmental Services. Between Project of the Year awards and Honorable Mentions there was a combined total of 10 recognitions, including three in the organizations new Community Engagement category.
Underground view of the sewer system
- 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.
Noman Cole Pollution Control Plant
- Noman Cole Pollution Control Plant staff switched on its five large electricity generators and “islanded” off of the electric power grid, responding to the Christmas Eve Cold Snap emergency and protecting the community from more significant blackouts.

Flushed! The Journey of Wastewater

Wastewater Management (WWM) does more than just clean dirty water. Employees from all WWM divisions work toward pollution prevention and continuous improvement focused on maintaining our wastewater infrastructure, a critical asset to Fairfax County, and protecting human health and the environment. This video series highlights some of the programs and systems where dedicated wastewater employees work to enhance the quality of life for those that live, work or visit Fairfax County.

Fairfax County Wastewater Collection Division’s Rehabilitation and Inspection team oversees rehabilitation program to extend the useful life of the sewer pipes. The trenchless rehabilitation method minimizes disruptions and helps ensure reliable sewer service to residents throughout the county.

More videos will be added throughout the year.

Wastewater Management Videos

Learn about the environment in Fairfax County. Listen to EnviroPod.


Mitigating Sewer Odors in Holmes Run Stream Valley ~ La Voz del Condado de Fairfax (Nov. 12, 2019) - español

Juan ReyesFairfax County's weekly Spanish radio program, "La Voz del Condado de Fairfax," originally broadcast on WUST Radio (1120 AM) on Tuesday, Nov. 12, 2019. This week's show features Juan Reyes, assistant director with the Fairfax County Department of Public Works and Environmental Services, discussing mitigating sewer odors in Holmes Run Stream Valley with host Heber Velasquez.

Fairfax Virtual Assistant