- Stormwater Status Reports
These reports highlight the accomplishments of Fairfax County’s stormwater management program under the following categories: watershed management planning, stormwater capital projects, operations, monitoring and assessment, public outreach and education and strategic initiatives.
- MS4 (Municipal Separate Storm Sewer System) (2003-2018)
The MS4 reports contain detailed information on the accomplishments of the county’s comprehensive stormwater management programs as they relate to the requirements of the Clean Water Act, the Virginia Pollutant Discharge Elimination System and MS4 permits.
- Report on Fairfax County Streams (2005-2007)
These reports present summaries of water quality data and assessments of current stream conditions and trends countywide, including the abundance and diversity of fish and benthic macroinvertebrates, as well as associated bacteria. Starting in 2008, this information may be found in the Stormwater Status Reports.
Flood Information and Floodplains
- Floodplain Management Plan Progress Report (2014) This study reports on the implementation of the flood mitigation actions in response to FEMA requirements for the maintenance of the county's Community Rating System program.
For more information, or reports older than five years, residents may call Fairfax County Stormwater Management at 703-324-5500, TTY 711. Media representatives should call the Stormwater Management information office at 703-324-5821, TTY 711.