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

Be Flood Ready and Resilient

Residents can plan ahead for flooding events and protect your property from the effects of flooding.

Plan Ahead for Flooding Events

Fairfax Alerts Mobile AppKnow Your Risk:

  • Use the Flood Risk Awareness Tool to view how these risk factors may affect your property and better understand your flood risk.
  • Get flood insurance to protect the life you’ve built.

Stay Informed:

  • Sign up for Fairfax Alerts, a service to receive alerts on local information. Select Fairfax County RiverWatch under Alert Subscriptions to receive Flood Preparedness Alerts, particularly if you are in the neighborhoods along the Tidal Potomac that are susceptible to coastal flooding including Belleview, New Alexandria, and Huntington.
  • Have a battery or crank-powered NOAA weather radio available to receive alerts.

Have an emergency plan:

  • Decide early whether you will evacuate and where you will go if you are ordered to or decide to leave.
  • Know how to prepare your home for an evacuation: shut off utilities, disconnect electrical appliances, secure property, etc.

Make an Emergency Kit:

See More Recommendations:

More About Being Flood Ready and Resilient

Most homeowners and renters insurance policies do not cover damage caused by flooding.

Just one inch of water can cause thousands of dollars' worth of damage. Whether you own your home or are renting, you can get flood insurance for the property and contents, even if you’re not in a designated floodplain.

Flood insurance protection is available for purchase through the Federal Emergency Management Agency (FEMA) National Flood Insurance Program.

Private flood insurance is also an option. 

Inventory your personal property. Flood insurance typically covers your structure but may not cover the contents of your property. Consider supplemental flood insurance for your belongings.

Review your policy and contact your insurance agent to determine if your policy provides adequate coverage.

Visit:

The Federal Emergency Management Agency (FEMA) National Flood Insurance Program was created to enable property owners in participating communities, including Fairfax County, to purchase flood insurance protection.

The program is available to all property owners and renters, including owners of properties that have been flooded and properties located outside of FEMA floodplains.

Properties that have been officially identified as being in a Special Flood Hazard Area and that have a federally backed mortgage are required to participate in the National Flood Insurance Program. Visit Know Your Flood Risk to learn more about Special Flood Hazard Areas.

For more information, visit What Does Flood Insurance Cover | FEMA National Flood Insurance Program, call 1-800-427-4661, or write to Federal Emergency Management Agency, 500 C Street SW, Washington, DC 20472.

Managing flood risk is a shared responsibility among the County and its residents. You can take steps to protect yourself and property from flooding.

  • Learn about permits. Any alteration to a building or land, including re-grading, filling or modifying a sewer line, requires a permit. For more information, visit Site Development, Land Development Service.
  • Clean home gutters regularly, especially during leaf fall season​.
  • Clean outdoor drains. Exterior drains in a basement walkout area must be kept clear of leaves and debris to prevent flooding.
  • Add downspout extensions. Each building downspout should have an extension hose that extends at least 5 feet from the building foundation. Do not direct water from downspouts onto neighboring properties.
  • Clear storm drains. Keep storm drains and street gutters on your street clear of debris or piles of leaves or snow.​
  • Install covers for basement window wells. If you have basement windows, install window well covers to keep rainwater out of these areas​.
  • Do not block stormflow with fencing. When considering fencing for your yard, check rainwater flow paths. If the fence will block the flow, choose fencing that is open at the bottom (such as chain link) to allow water to flow through it to prevent ponding in your yard.​

Funded by Fairfax County and administered by the Northern Virginia Soil and Water Conservation District, the Flood Mitigation Assistance Program (FMAP) offers applicants partial reimbursement—up to a maximum dollar amount —for the costs of projects that protect their properties from flood damage. Projects on FMAP’s Approved List of Practices, or those approved on a case-by-case basis by the Northern Virginia Soil & Water Conservation District, are eligible for reimbursement. FMAP is funded by Fairfax County’s Stormwater Service District | Public Works and Environmental Services.

It is commonly stated that water follows the path of least resistance; however, it is more accurate to state that water follows the “most available” path of least resistance. The stormwater pipe system, inlets, ditches and channels are intended to collect and convey rainwater runoff from common storms. During larger and less common storms such as isolated cloud bursts and hurricanes, these systems can become overwhelmed and seek other available paths. As runoff looks for these available paths it first fills in the low-lying areas such as sumps or depressions and floodplains. The path the water takes to get to these low-lying areas is called the overland relief path. As runoff collects in the lower portions of a drainage area the volume of water increases and even more room in the overland flow path is needed for the runoff.

Overland stormwater flow path blocked by sheds, fences, etc.​
Overland stormwater flow path blocked by sheds, fences, etc.

Your property may not be in a valley or even the lowest area of your neighborhood, but all it takes is for an opening in your home to be lower than the depth of the water in the overland relief path for your home to be at risk of flooding. During the next big rainfall, check to see how water flows around your home. Make room for the runoff by keeping flow paths clear of fences, planting beds, sheds, and other obstructions that could block the stormwater and cause ponding or flooding.

Be flood resilient

 

Be flood resilient

 

Be flood resilient

 

Be flood resilient

 

Be flood resilient

 

Be flood resilient
Fairfax Virtual Assistant