Palouse -- Cataloging Unit 17060108

• Lower Snake Accounting Unit 170601
  
• Lower Snake Subregion 1706
  
• Pacific Northwest Region 17 (There are 219 cataloging units in this region.)
  The state composition by area is 76.7% Washington, 23.3% Idaho.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 6033.8 km² ( 2330.7 mi² ) [% in USA = 86.74, % in Region = 92.24]
  The area from the USGS is 2360 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 894)

  IV. Elevation Analysis

  This analysis is based on 2409683 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 690.4 m ( 2265.1 ft ) [% in USA = 63.71, % in Region = 27.40]
  The elevation standard deviation is 184.1 m ( 604.0 ft ) [% in USA = 69.97, % in Region = 17.81]
  The coefficient of variation is 26.7 %.
  The vertical relief is 1431.5 m ( 4696.5 ft ) [% in USA = 75.27, % in Region = 29.68]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	176.4	484.8	518.0	551.5	622.1	689.6	733.5	792.0	827.9	911.9	1607.9
  feet	578.7	1590.5	1699.5	1809.4	2041.0	2262.4	2406.5	2598.4	2716.2	2991.8	5275.2

  

  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	301.2	187.2	0.050	0.080	36.05	47.03
  Intermittent Shoreline	25.2	15.7	0.004	0.007	74.18	87.21
  Perennial Streams	1063.4	660.9	0.176	0.284	36.62	17.81
  Intermittent Streams	2930.7	1821.4	0.486	0.782	67.84	77.17
  Canals	0.0	0.0	0.000	0.000	35.62	23.74
  1° roads	66.7	41.5	0.011	0.018	56.32	77.63
  2° roads	145.1	90.1	0.024	0.039	47.47	68.49
  3° roads	310.8	193.2	0.052	0.083	47.84	81.28
  4° roads	5326.7	3310.5	0.883	1.420	28.28	45.21
  Total Roads	5849.3	3635.3	0.969	1.560	28.56	47.03
  Railroads	710.9	441.8	0.118	0.190	90.95	96.35
  Pipes and Powerlines	260.9	162.1	0.043	0.070	64.80	74.43

  
  Of the natural water in this HUC, 68.42% (by length) is intermittent [% in USA = 68.31, % in Region = 79.91]

  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