Public Works and Environmental Services

CONTACT INFORMATION: Our administrative offices are open 8 a.m. – 4:30 p.m., Mon - Fri
703-324-5500 TTY 711
12000 Government Center Parkway
Suite 449, Fairfax, Va 22035
Joni Calmbacher
Director, Stormwater Planning

Department Resources

Related Resources

Stormwater Maps, Publications and Reports

Stormwater Improvement Projects Map

Use this interactive map to find stormwater improvement projects near you.

Watch a video about the map.

View Improvement Projects Map

Who Maintains the Storm Drainage System

The county maintains the public storm drainage system contained within dedicated storm drainage easements. The Virginia Department of Transportation maintains the storm systems in public street rights-of-way. Storm systems on land owned by other public bodies such as the Fairfax County Park Authority, Fairfax County Public Schools and the federal government are maintained by those entities. There are also numerous private systems that are the responsibility of private property owners, including driveway culverts and bridges that cross public drainage systems.

View Stormwater Infrastructure Map

FEMA Special Flood Hazard Areas

Special Flood Hazard Areas are high risk areas that have a one-percent chance or more of being inundated by a base flood in any given year as identified by Federal Emergency Management Agency (FEMA). Floodplain management regulations must be enforced and mandatory purchase of flood insurance applies for these areas. For more information, please visit FEMA For Homeowners, Renters & Business Owners or Fairfax County Flood Information. See Fairfax County Special Flood Hazard Area Maps for watershed boundaries and RPA information.

View FEMA Flood Map Service Center

Find your Watershed

Fairfax County has developed comprehensive watershed management plans for each of the county's 30 watersheds. A watershed management plan serves as a tool to identify and address the issues affecting our environment and to protect and restore the county's streams and other water resources.

You can open the map and click on a watershed name in the map to find completed plans, plans in development and to get involved in your watershed.

View Watersheds Map

The Floodplain Viewer

To help customers develop quality construction plans for county review, Fairfax County has launched a GIS application, the Floodplain Viewer. Understanding the complexities of Fairfax’s floodplain data is key when considering potential construction in these areas. The Floodplain Viewer allows customers and the public to access centralized floodplain data and related information through one application.

View Floodplain Viewer Map

Fairfax County Government Center Campus Stormwater Management Facilities

A new interactive map is available to guide you along a walking tour of stormwater management facilities located on the Fairfax County Government Center Campus. On the walking tour, learn how ponds, a native meadow, a restored stream, bioretention areas, swales, green roofs, and permeable pavers collect runoff to control flooding, encourage detention and infiltration, and improve water quality.

View Interactive Map
Reports and Publications

Reports and Publications

Reports and Publications

 

More About Stormwater Management

Topics

Stormwater Home
Flooding
Storm Drainage System
Watershed Plans, Projects and Restorations
On My Property
Maintenance and Inspections
Stream Quality
Pollution Prevention and Reporting

Services

Report A Problem
Storm Drainage Maintenance Request
Report Litter
Report Polluted Runoff
Book an Education or Outreach Program or Speaker

Resources

News, Videos, Podcasts
Stormwater FAQs
Maps and Publications
Forms
Jobs
Volunteer
Advisories
Invasive Species
Close
Fairfax Virtual Assistant

Related Resources