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Loudoun Soil Drains

Published by Loudoun County GIS | Loudoun County, Virginia | Metadata Last Checked: June 26, 2025 | Last Modified: 2023-09-01T20:40:44.000Z
<p><a href='https://logis.loudoun.gov/metadata/Soil%20drains%20(historic%20drains).htm' target='_blank'>More Metadata</a></p><p><p style='margin-top:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left: 0in;background:white'><span style='color:#4C4C4C;background:white'>Historic drainage is used in agricultural and farm plans, stormwater management, comprehensive planning, floodplain management, and facility planning to provide a better understanding of what previous drainage was like for a given area.  Soils were originally shown at the scale of 1:15840 and then redrafted to 1:20000; the data were redrafted a final time to fit Loudoun County's base map standard of 1:2400. Although the current data rely heavily on the original soil survey, there have been extensive alterations. The data are updated as field site inspections or interpretation changes occur. This is a copy of the drains layer as it exists on 20010208. It is meant to provide the county with a historical base for drainage.Photogrammetric updates will not occur to this layer. Data are stored in the corporate ArcSDE Geodatabase as a line feature class. The coordinate system is Virginia State Plane (North), Zone 4501, datum NAD83 HARN (vertical datum, if applicable, NAVD88), US Survey foot units.</span><span style='color:black'></span></p><br /></p>

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