Allagash -- Cataloging Unit 01010002

• St. John Subregion 0101
  
• New England Region 01 (There are 53 cataloging units in this region.)
  The state composition by area is 100.0% Maine.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 3224.1 km² ( 1245.4 mi² ) [% in USA = 51.21, % in Region = 66.04]
  The area from the USGS is 1250 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 406)

  IV. Elevation Analysis

  This analysis is based on 1287310 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 364.7 m ( 1196.5 ft ) [% in USA = 46.90, % in Region = 77.36]
  The elevation standard deviation is 59.6 m ( 195.5 ft ) [% in USA = 43.77, % in Region = 32.08]
  The coefficient of variation is 16.3 %.
  The vertical relief is 399.5 m ( 1310.7 ft ) [% in USA = 48.32, % in Region = 32.08]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	182.0	285.1	307.5	335.0	350.0	365.1	382.0	396.0	420.3	441.6	581.5
  feet	597.1	935.4	1008.8	1099.1	1148.3	1197.8	1253.3	1299.2	1378.9	1448.8	1907.8

  

  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	628.2	390.4	0.195	0.314	79.87	28.30
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	52.83
  Perennial Streams	1235.8	768.1	0.383	0.617	68.50	20.75
  Intermittent Streams	324.7	201.8	0.101	0.162	19.19	73.58
  Canals	0.0	0.0	0.000	0.000	35.62	56.60
  1° roads	0.0	0.0	0.000	0.000	30.84	16.98
  2° roads	0.0	0.0	0.000	0.000	15.35	7.55
  3° roads	2.1	1.3	0.001	0.001	4.69	3.77
  4° roads	1437.6	893.4	0.446	0.717	5.50	11.32
  Total Roads	1439.7	894.8	0.447	0.718	4.50	9.43
  Railroads	0.4	0.2	0.000	0.000	13.07	5.66
  Pipes and Powerlines	0.0	0.0	0.000	0.000	8.67	3.77

  
  Of the natural water in this HUC, 14.83% (by length) is intermittent [% in USA = 19.52, % in Region = 79.25]

  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