Quinnipiac -- Cataloging Unit 01100004

• Connecticut Coastal Subregion 0110
  
• New England Region 01 (There are 53 cataloging units in this region.)
  The state composition by area is 100.0% Connecticut.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 1322.3 km² ( 510.8 mi² ) [% in USA = 6.96, % in Region = 18.87]
  The area from the USGS is 516 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1391)

  IV. Elevation Analysis

  This analysis is based on 528048 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 67.4 m ( 221.1 ft ) [% in USA = 10.99, % in Region = 15.09]
  The elevation standard deviation is 53.1 m ( 174.2 ft ) [% in USA = 40.50, % in Region = 24.53]
  The coefficient of variation is 78.8 %.
  The vertical relief is 304.0 m ( 997.4 ft ) [% in USA = 41.64, % in Region = 16.98]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	13.3	24.4	30.0	43.2	58.7	62.5	87.0	103.2	145.3	304.0
  feet	0.0	43.6	80.1	98.4	141.7	192.6	205.1	285.4	338.6	476.7	997.4

  

  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	566.8	352.3	0.429	0.690	94.84	79.25
  Intermittent Shoreline	1.3	0.8	0.001	0.002	54.48	96.23
  Perennial Streams	743.4	462.0	0.562	0.905	88.25	67.92
  Intermittent Streams	0.0	0.0	0.000	0.000	1.75	9.43
  Canals	0.0	0.0	0.000	0.000	35.62	56.60
  1° roads	305.7	190.0	0.231	0.372	99.62	100.00
  2° roads	103.3	64.2	0.078	0.126	96.21	98.11
  3° roads	467.5	290.5	0.354	0.569	99.62	100.00
  4° roads	4685.3	2911.9	3.543	5.701	98.44	94.34
  Total Roads	5561.7	3456.6	4.206	6.768	98.58	96.23
  Railroads	224.4	139.5	0.170	0.273	96.64	96.23
  Pipes and Powerlines	2.3	1.5	0.002	0.003	12.41	13.21

  
  Of the natural water in this HUC, 0.10% (by length) is intermittent [% in USA = 2.23, % in Region = 15.09]

  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