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County
Previously Mapped Marine Clay recent views
Fairfax County, Virginia —
These areas were mapped as marine clays in previous surveys. Marine clays are high shrink-swell soils that can cause foundation distress. They are sometimes referred... -
County
Environmentally Sensitive Areas recent views
Fairfax County, Virginia —
This polygon dataset is composed of subsets from Fairfax County’s current soil inventory, recorded floodplain, and Resource Protection Area (RPAs) layers. Layer... -
County
Radon Potential Areas recent views
Fairfax County, Virginia —
Areas of radon potential within Fairfax County. These areas were developed by short-term test results from a study conducted by the Fairfax County Health Department...