Pemigewasset -- Cataloging Unit 01070001

• Merrimack Subregion 0107
  
• New England Region 01 (There are 53 cataloging units in this region.)
  The state composition by area is 100.0% New Hampshire.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2556.8 km² ( 987.6 mi² ) [% in USA = 35.34, % in Region = 50.94]
  The area from the USGS is 1000 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1263)

  IV. Elevation Analysis

  This analysis is based on 1020660 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 463.2 m ( 1519.7 ft ) [% in USA = 54.38, % in Region = 92.45]
  The elevation standard deviation is 252.2 m ( 827.4 ft ) [% in USA = 77.50, % in Region = 100.00]
  The coefficient of variation is 54.4 %.
  The vertical relief is 1466.1 m ( 4810.0 ft ) [% in USA = 75.98, % in Region = 92.45]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	97.0	185.5	243.0	293.9	344.2	402.2	465.9	547.8	657.5	838.9	1563.1
  feet	318.2	608.6	797.2	964.2	1129.3	1319.5	1528.5	1797.2	2157.1	2752.3	5128.2

  

  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	474.3	294.8	0.186	0.298	78.49	26.42
  Intermittent Shoreline	0.9	0.6	0.000	0.001	40.83	83.02
  Perennial Streams	1161.3	721.7	0.454	0.731	77.31	35.85
  Intermittent Streams	558.8	347.3	0.219	0.352	33.96	98.11
  Canals	0.0	0.0	0.000	0.000	35.62	56.60
  1° roads	90.9	56.5	0.036	0.057	83.47	54.72
  2° roads	81.1	50.4	0.032	0.051	59.83	43.40
  3° roads	286.9	178.3	0.112	0.181	76.46	33.96
  4° roads	1852.7	1151.5	0.725	1.166	18.14	30.19
  Total Roads	2311.5	1436.6	0.904	1.455	24.68	30.19
  Railroads	72.4	45.0	0.028	0.046	37.99	24.53
  Pipes and Powerlines	175.7	109.2	0.069	0.111	83.89	84.91

  
  Of the natural water in this HUC, 25.50% (by length) is intermittent [% in USA = 29.61, % in Region = 98.11]

  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