Nottoway -- Cataloging Unit 03010201

• Albemarle-Chowan Accounting Unit 030102
  
• Chowan-Roanoke Subregion 0301
  
• South Atlantic-Gulf Region 03 (There are 198 cataloging units in this region.)
  The state composition by area is 99.9% Virginia, 0.1% North Carolina.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 4453.4 km² ( 1720.2 mi² ) [% in USA = 71.53, % in Region = 74.75]
  The area from the USGS is 1700 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1440)

  IV. Elevation Analysis

  This analysis is based on 1778546 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 57.6 m ( 189.0 ft ) [% in USA = 9.47, % in Region = 46.97]
  The elevation standard deviation is 38.3 m ( 125.7 ft ) [% in USA = 30.22, % in Region = 75.76]
  The coefficient of variation is 66.5 %.
  The vertical relief is 183.0 m ( 600.4 ft ) [% in USA = 25.77, % in Region = 68.69]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	15.0	28.8	30.0	30.0	45.0	61.0	77.9	91.0	120.4	183.0
  feet	0.0	49.2	94.5	98.4	98.4	147.6	200.1	255.6	298.6	395.0	600.4

  

  V. Map Line Analysis

  Note- percentiles are for the feature density, not for the raw total lengths.
  

  line type	km	mi	km/km²	mi/mi²	% in USA	% in Region
  Perennial Shoreline	418.0	259.8	0.094	0.151	53.72	21.21
  Intermittent Shoreline	0.5	0.3	0.000	0.000	31.41	38.38
  Perennial Streams	2732.4	1698.2	0.614	0.987	92.37	92.93
  Intermittent Streams	889.9	553.1	0.200	0.322	31.74	45.96
  Canals	5.1	3.1	0.001	0.002	46.42	55.56
  1° roads	145.1	90.2	0.033	0.052	81.53	76.77
  2° roads	244.7	152.1	0.055	0.088	86.40	60.10
  3° roads	242.8	150.9	0.055	0.088	50.50	8.08
  4° roads	6341.2	3941.1	1.424	2.291	73.80	53.03
  Total Roads	6973.8	4334.2	1.566	2.520	73.19	47.47
  Railroads	357.7	222.3	0.080	0.129	79.16	79.29
  Pipes and Powerlines	222.0	138.0	0.050	0.080	70.68	34.34

  
  Of the natural water in this HUC, 22.04% (by length) is intermittent [% in USA = 26.53, % in Region = 42.93]

  VI. Other sites

  • EPA- Surf Your Watershed - Index of Watershed Indicators
  • USGS- Science in Your Watershed - Selected Realtime Streamflow Stations
  • CTIC- Known Your Watershed

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  1999 SEPT 4, Last updated on 2003 JAN 23
  
  D.L. Gustafson, dlg@rapid.msu.montana.edu