Lower Connecticut -- Cataloging Unit 01080205

• Lower Connecticut Accounting Unit 010802
  
• Connecticut Subregion 0108
  
• New England Region 01 (There are 53 cataloging units in this region.)
  The state composition by area is 88.6% Connecticut, 11.4% Massachusetts.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2851.1 km² ( 1101.3 mi² ) [% in USA = 43.58, % in Region = 56.60]
  The area from the USGS is 1090 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 2690)

  IV. Elevation Analysis

  This analysis is based on 1139423 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 83.3 m ( 273.3 ft ) [% in USA = 13.12, % in Region = 18.87]
  The elevation standard deviation is 57.7 m ( 189.3 ft ) [% in USA = 42.54, % in Region = 28.30]
  The coefficient of variation is 69.3 %.
  The vertical relief is 364.5 m ( 1195.9 ft ) [% in USA = 45.52, % in Region = 22.64]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	22.1	30.0	41.1	58.7	66.3	89.8	111.4	130.8	163.8	364.5
  feet	0.0	72.5	98.4	134.8	192.6	217.5	294.6	365.5	429.1	537.4	1195.9

  

  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	975.1	606.0	0.342	0.550	92.42	64.15
  Intermittent Shoreline	0.7	0.5	0.000	0.000	37.94	77.36
  Perennial Streams	1984.4	1233.3	0.696	1.120	96.59	96.23
  Intermittent Streams	54.2	33.7	0.019	0.031	8.67	39.62
  Canals	14.8	9.2	0.005	0.008	59.17	98.11
  1° roads	526.6	327.3	0.185	0.297	99.01	96.23
  2° roads	101.9	63.3	0.036	0.058	65.37	52.83
  3° roads	922.4	573.3	0.324	0.521	99.10	94.34
  4° roads	8137.3	5057.4	2.854	4.592	97.11	88.68
  Total Roads	9688.2	6021.2	3.398	5.467	97.63	88.68
  Railroads	351.7	218.6	0.123	0.198	92.14	86.79
  Pipes and Powerlines	51.9	32.2	0.018	0.029	36.10	33.96

  
  Of the natural water in this HUC, 1.82% (by length) is intermittent [% in USA = 6.77, % in Region = 33.96]

  VI. Other sites

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

  ---

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