Black-Ottauquechee -- Cataloging Unit 01080106

• Upper Connecticut Accounting Unit 010801
  
• Connecticut Subregion 0108
  
• New England Region 01 (There are 53 cataloging units in this region.)
  The state composition by area is 100.0% Vermont.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 1108.0 km² ( 428.0 mi² ) [% in USA = 5.31, % in Region = 9.43]
  The area from the USGS is 418 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 496)

  IV. Elevation Analysis

  This analysis is based on 443258 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 437.2 m ( 1434.4 ft ) [% in USA = 52.96, % in Region = 88.68]
  The elevation standard deviation is 169.1 m ( 554.8 ft ) [% in USA = 67.31, % in Region = 90.57]
  The coefficient of variation is 38.7 %.
  The vertical relief is 1198.9 m ( 3933.4 ft ) [% in USA = 70.54, % in Region = 84.91]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	80.4	231.1	291.0	334.6	376.8	424.7	463.1	513.9	573.0	654.7	1279.3
  feet	263.8	758.2	954.7	1097.8	1236.2	1393.4	1519.3	1686.0	1879.9	2147.9	4197.1

  

  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	103.3	64.2	0.093	0.150	53.39	13.21
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	52.83
  Perennial Streams	580.1	360.6	0.524	0.842	84.60	60.38
  Intermittent Streams	246.7	153.3	0.223	0.358	34.63	100.00
  Canals	0.0	0.0	0.000	0.000	35.62	56.60
  1° roads	3.5	2.2	0.003	0.005	45.43	30.19
  2° roads	53.7	33.4	0.048	0.078	81.10	73.58
  3° roads	154.7	96.1	0.140	0.225	83.18	39.62
  4° roads	1398.8	869.4	1.263	2.031	60.45	56.60
  Total Roads	1610.7	1001.1	1.454	2.339	65.99	56.60
  Railroads	29.1	18.1	0.026	0.042	35.34	20.75
  Pipes and Powerlines	73.8	45.8	0.067	0.107	82.76	81.13

  
  Of the natural water in this HUC, 26.53% (by length) is intermittent [% in USA = 30.41, % in Region = 100.00]

  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