Public Works and Environmental Services Alert:

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

wwwdpwes@fairfaxcounty.gov

12000 Government Center Parkway
Suite 448 Fairfax, VA 22035

@ffxPublicWorks

Christopher S. Herrington
Director

Department Resources

Related Resources

Water Resources and Infrastructure News, Videos and Podcasts

dpwes and fire and rescue training

Firefighters Train in Flood-Prone Homes Before Demolition

July 23, 2025 - Before nine county-acquired homes on Barrett Road in Falls Church are torn down to reduce flooding, firefighters are getting one last chance to use them—for live training.

Free tree from Casey Trees

Fairfax County Offers Free Trees to Community Organizations

July 23, 2025 - Community-based organizations in Fairfax County can apply to receive free trees for planting on private properties, through a program by Fairfax County’s Urban and Community Forestry Division (UCFD) of the Department of Public Works and Environmental Services.

Floodplain Management Plan thumbnail

DPWES Releases 2025 Floodplain Management Plan

July 2, 2025 - Climate change continues to exacerbate flooding impacts in Fairfax County and nationwide. Weather-related flooding is still the most common and costly natural disaster across the United States. Fairfax County’s ongoing efforts to mitigate flooding problems for residents can be found in the July 2025 Floodplain Management Plan (FMP) progress report.

IMPROVEMENT PROJECTS

Crook Branch Stream Restoration at Mantua Elementary School

Hayfield Road Pipe Conveyance Ribbon Cutting

Snakeden Branch at Lake Audubon Stream Restoration Project

Hayfield Farm Stormwater Project to Prevent Flooding

Fair Woods Constructed Wetlands Project

Flatlick Fishing Day 2019

Huntington Levee Ribbon Cutting

POLLUTION PREVENTION

Herrity Building Gardens Spring Cleaning

Don't Let Fats Oils and Grease Close Your Restaurant

How to Report Illegal Dumping into Storm Drains and Streams

Please Don't Litter

Stop Bagging Our Streams

OUTREACH AND EDUCATION

Fairfax County DPWES and Fire & Rescue Team Up for Rare Training Opportunity

Exciting Changes Within Public Works

The Condition of Streams and Watersheds in Fairfax County

Whitman Middle School Pollinator Meadow (November 2023)

Water’s Journey in Fairfax County

Introducing Fairfax County’s Freshwater Ecologists

Revitalize, Restore, Replant

Stormy the Raindrop

Stream Crime Investigation Lab

Exciting Changes Within Public Works

Webinar: Fairfax County Oak Tree Decline Webinar - Oct 19, 2022

Spotted Lanternfly Webinar - April 25, 2022

Fairfax County Urban Foresters Celebrate Earth Day 2021 - April 23, 2021

The 17 Year Cicada Story - Mar 29, 2021

Webinar: Learn about the invasive insect, the spotted lantern fly - July 22, 2020

How to Plant a Tree in Fairfax County - Feb 11, 2020

Tree Planting at the Pollinator Meadow - Nov 1, 2018

How to Recognize the Signs of Poor Tree Health - Aug 22, 2018

Asian Longhorn Beetle: Be on the lookout this summer - Jun 15, 2016

The Role of Trees in Stream Restorations - Dec 28, 2015

Virginia Department of Forestry - Forest Fast Breaks

WASTEWATER COLLECTION

Fairfax County’s Wastewater Trouble Response Center is Ready to Assist Residents 24/7/365

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

Monitoring Pipes through Closed Circuit Television Video (CCTV)

Gravity Sewer Maintenance Team: Prevent backups into your home and overflows into the environment

WASTEWATER TREATMENT

Take a Virtual Tour of the Fairfax County Wastewater Plant

Wastewater Testing Protects Residents and Environment

How Noman Cole’s Electricians Keep the Wastewater Plant Running

DPWES Mechanics Keep the Systems Running at the Noman M. Cole, Jr. Water Recycling Facility

In the Laboratory at Noman M. Cole, Jr. Water Recycling Facility

Ultraviolet Light Processing Technology at Noman M. Cole, Jr. Water Recycling Facility

EDUCATION AND OUTREACH

Unflushable PSA

Exciting Changes Within Public Works

Water’s Journey in Fairfax County

Where Does the Water Flow Go in Fairfax County?

Gunston Cove - Ecological Enhancement

No Fats, Oils or Grease Down the Drain (Can The Grease)

Centreville Day Parade

Classroom Activities Video Playlist