Pahsimeroi -- Cataloging Unit 17060202

• Salmon Accounting Unit 170602
  
• Lower Snake Subregion 1706
  
• Pacific Northwest Region 17 (There are 219 cataloging units in this region.)
  The state composition by area is 100.0% Idaho.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2145.8 km² ( 828.9 mi² ) [% in USA = 24.02, % in Region = 30.59]
  The area from the USGS is 825 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 255)

  IV. Elevation Analysis

  This analysis is based on 856558 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 2239.7 m ( 7348.0 ft ) [% in USA = 97.16, % in Region = 98.17]
  The elevation standard deviation is 456.6 m ( 1498.0 ft ) [% in USA = 94.79, % in Region = 89.50]
  The coefficient of variation is 20.4 %.
  The vertical relief is 2167.2 m ( 7110.1 ft ) [% in USA = 91.09, % in Region = 77.17]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	1439.0	1646.9	1773.6	1919.2	2071.1	2222.6	2369.1	2506.6	2678.0	2874.4	3606.2
  feet	4721.1	5403.1	5818.8	6296.5	6794.9	7291.9	7772.5	8223.7	8786.0	9430.3	11831.2

  

  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	9.6	5.9	0.004	0.007	8.15	7.31
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	43.84
  Perennial Streams	839.7	521.8	0.391	0.630	69.26	41.55
  Intermittent Streams	756.5	470.1	0.353	0.567	50.97	61.19
  Canals	49.9	31.0	0.023	0.037	75.56	72.60
  1° roads	0.0	0.0	0.000	0.000	30.84	59.82
  2° roads	0.0	0.0	0.000	0.000	15.35	29.22
  3° roads	0.0	0.0	0.000	0.000	4.07	15.53
  4° roads	936.4	582.0	0.436	0.702	5.16	11.87
  Total Roads	936.4	582.0	0.436	0.702	4.36	10.96
  Railroads	0.0	0.0	0.000	0.000	12.60	28.31
  Pipes and Powerlines	0.0	0.0	0.000	0.000	8.67	12.79

  
  Of the natural water in this HUC, 47.11% (by length) is intermittent [% in USA = 49.22, % in Region = 63.47]

  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