Teton -- Cataloging Unit 17040204

• Upper Snake Accounting Unit 170402
  
• Upper Snake Subregion 1704
  
• Pacific Northwest Region 17 (There are 219 cataloging units in this region.)
  The state composition by area is 73.7% Idaho, 26.3% Wyoming.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2897.9 km² ( 1119.4 mi² ) [% in USA = 44.95, % in Region = 52.51]
  The area from the USGS is 1130 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 796)

  IV. Elevation Analysis

  This analysis is based on 1156875 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 2017.1 m ( 6617.7 ft ) [% in USA = 93.70, % in Region = 93.61]
  The elevation standard deviation is 373.9 m ( 1226.7 ft ) [% in USA = 89.39, % in Region = 72.60]
  The coefficient of variation is 18.5 %.
  The vertical relief is 1882.0 m ( 6174.5 ft ) [% in USA = 84.98, % in Region = 61.19]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	1471.0	1583.2	1709.8	1829.0	1878.8	1897.4	2011.0	2133.9	2311.5	2596.0	3353.0
  feet	4826.1	5194.2	5609.5	6000.6	6164.0	6225.0	6597.7	7000.9	7583.6	8517.0	11000.5

  

  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	61.1	38.0	0.021	0.034	20.42	26.94
  Intermittent Shoreline	0.8	0.5	0.000	0.000	37.85	52.05
  Perennial Streams	1106.7	687.8	0.382	0.614	68.21	40.64
  Intermittent Streams	1527.6	949.4	0.527	0.848	72.43	83.11
  Canals	366.4	227.7	0.126	0.203	94.22	94.52
  1° roads	2.9	1.8	0.001	0.002	41.31	68.49
  2° roads	14.9	9.3	0.005	0.008	21.17	41.55
  3° roads	155.0	96.3	0.053	0.086	49.55	83.56
  4° roads	2467.5	1533.6	0.851	1.370	25.77	42.01
  Total Roads	2640.3	1641.0	0.911	1.466	25.30	43.38
  Railroads	72.4	45.0	0.025	0.040	34.06	53.88
  Pipes and Powerlines	31.9	19.8	0.011	0.018	25.72	35.62

  
  Of the natural water in this HUC, 56.69% (by length) is intermittent [% in USA = 57.27, % in Region = 71.23]

  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