virginia's 6th order watersheds · 2018-03-30 · cm27 cm10 ju76 m08 ju43 p0 6 tc30 yo01 rl1...

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Virginia's 6th Order NWBD* Units

* NWBD: National Watershed Boundary Dataset (1,247 6th order watersheds)(also referred to as 12 digit hydrologic units, for example:Ramseys Draft: 6th order code JU62 = 12 digit code 020802020102)

Major River BasinsChesapeake Bay/Atlantic Ocean and Small CoastalChowan River and Dismal SwampJames RiverNew RiverPotomac RiverRappahannock RiverRoanoke and Yadkin RiversShenandoah RiverTennessee and Big Sandy RiversYork River

Sources:Virginia Department of Environmental Quality (Water Quality Standards)Virginia Department of Conservation & Recreation (Oct 2009; vanwbd_v4)« 0 25 50 75 10012.5

Miles