Hoh-Quillayute -- Cataloging Unit 17100101

• Washington Coastal Accounting Unit 171001
  
• Oregon-Washington Coastal Subregion 1710
  
• Pacific Northwest Region 17 (There are 219 cataloging units in this region.)
  The state composition by area is 100.0% Washington.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 3161.7 km² ( 1221.3 mi² ) [% in USA = 50.07, % in Region = 58.90]
  The area from the USGS is 1230 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 900)

  IV. Elevation Analysis

  This analysis is based on 1262877 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 405.8 m ( 1331.3 ft ) [% in USA = 50.36, % in Region = 16.44]
  The elevation standard deviation is 400.6 m ( 1314.3 ft ) [% in USA = 91.47, % in Region = 77.17]
  The coefficient of variation is 98.7 %.
  The vertical relief is 2316.0 m ( 7598.3 ft ) [% in USA = 93.75, % in Region = 84.93]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	0.0	59.2	91.0	126.1	183.0	244.0	339.7	490.2	708.1	986.5	2316.0
  feet	0.0	194.2	298.6	413.7	600.4	800.5	1114.5	1608.2	2323.1	3236.5	7598.3

  

  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	578.8	359.7	0.183	0.295	78.07	91.32
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	43.84
  Perennial Streams	2084.7	1295.6	0.659	1.061	95.07	86.30
  Intermittent Streams	24.4	15.1	0.008	0.012	5.87	4.11
  Canals	0.0	0.0	0.000	0.000	35.62	23.74
  1° roads	0.0	0.0	0.000	0.000	31.26	60.27
  2° roads	96.0	59.7	0.030	0.049	57.27	78.54
  3° roads	32.4	20.2	0.010	0.017	11.37	31.51
  4° roads	3124.4	1941.8	0.988	1.590	35.58	52.51
  Total Roads	3252.9	2021.7	1.029	1.655	32.26	52.05
  Railroads	55.7	34.6	0.018	0.028	27.43	47.03
  Pipes and Powerlines	21.8	13.6	0.007	0.011	19.85	27.40

  
  Of the natural water in this HUC, 0.91% (by length) is intermittent [% in USA = 4.83, % in Region = 3.20]

  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