Little Spokane -- Cataloging Unit 17010308

• Spokane Accounting Unit 170103
  
• Kootenai-Pend Oreille-Spokane Subregion 1701
  
• Pacific Northwest Region 17 (There are 219 cataloging units in this region.)
  The state composition by area is 96.3% Washington, 3.7% Idaho.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 1865.4 km² ( 720.6 mi² ) [% in USA = 15.73, % in Region = 21.00]
  The area from the USGS is 723 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 433)

  IV. Elevation Analysis

  This analysis is based on 745009 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 729.7 m ( 2394.0 ft ) [% in USA = 65.04, % in Region = 30.59]
  The elevation standard deviation is 147.0 m ( 482.3 ft ) [% in USA = 64.00, % in Region = 10.50]
  The coefficient of variation is 20.1 %.
  The vertical relief is 1190.5 m ( 3905.8 ft ) [% in USA = 70.39, % in Region = 17.81]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	460.4	594.0	618.9	649.9	670.5	701.0	729.4	752.3	797.4	908.9	1650.9
  feet	1510.5	1948.8	2030.5	2132.2	2199.8	2299.8	2393.0	2468.1	2616.1	2981.9	5416.3

  

  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	73.0	45.4	0.039	0.063	30.89	42.92
  Intermittent Shoreline	3.1	1.9	0.002	0.003	60.78	76.71
  Perennial Streams	475.2	295.4	0.255	0.410	49.22	29.68
  Intermittent Streams	734.3	456.4	0.394	0.633	57.22	68.95
  Canals	0.2	0.1	0.000	0.000	37.52	24.20
  1° roads	0.0	0.0	0.000	0.000	30.84	59.82
  2° roads	107.9	67.0	0.058	0.093	88.44	96.80
  3° roads	49.2	30.6	0.026	0.042	27.29	55.25
  4° roads	3163.9	1966.3	1.696	2.729	86.50	87.21
  Total Roads	3320.9	2064.0	1.780	2.864	83.99	87.67
  Railroads	104.0	64.7	0.056	0.090	63.52	79.91
  Pipes and Powerlines	123.5	76.8	0.066	0.107	82.47	91.32

  
  Of the natural water in this HUC, 57.36% (by length) is intermittent [% in USA = 57.93, % in Region = 72.15]

  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