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Find a Commonwealth ResourceFairfax County
Per Chapter 118 requirements, a countywide map of perennial streams and waterbodies to be used for regulatory purposes was developed through field surveys conducted in 2002-2003. For more information, please…
Updated Oct 8, 2026
Fairfax County
This dataset is a selection of known erosion and flooding problems throughout the County. The data is intended primarily to assist site plan preparers with establishing the existence of known erosion and flooding…
Updated Oct 8, 2026
Fairfax County
This dataset is a selection of known erosion and flooding problems throughout the County. The data is intended primarily to assist site plan preparers with establishing the existence of known erosion and flooding…
Updated Oct 8, 2026
