Water Features - lines

Hydrographic line features in and around Fairfax County. The original data in this layer was captured during the 1997 data conversion effort for Fairfax County. After that an update capture was completed in 2014 using stereo models from the 2009 Virginia State imagery. Subsequent to that an update capture was completed in 2022 using stereo models from the 2017 Virginia State imagery. The most recent planimetric update was completed in 2024 using orthoimagery from the 2023 and 2022 Eagleview Orthophotos. This contains outlines and centerlines for streams, rivers, lakes, ponds, swamps, paved ditches, and dams. Contact: Fairfax County Department of Information Technology GIS Division Data Accessibility: Publicly Available Update Frequency: As Needed Last Revision Date: 3/1/2024 Creation Date: 1/1/1997 Feature Dataset Name: GISMGR.PLANIMETRIC Layer Name: GISMGR.HYDRO_EDGES