Middle Snake-Payette -- Cataloging Unit 17050115

• Middle Snake-Boise Accounting Unit 170501
  
• Middle Snake Subregion 1705
  
• Pacific Northwest Region 17 (There are 219 cataloging units in this region.)
  The state composition by area is 54.4% Oregon, 45.6% Idaho.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 869.8 km² ( 336.0 mi² ) [% in USA = 3.51, % in Region = 5.02]
  The area from the USGS is 294 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 247)

  IV. Elevation Analysis

  This analysis is based on 347382 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 739.1 m ( 2424.8 ft ) [% in USA = 65.23, % in Region = 31.05]
  The elevation standard deviation is 82.4 m ( 270.3 ft ) [% in USA = 51.16, % in Region = 1.37]
  The coefficient of variation is 11.1 %.
  The vertical relief is 397.7 m ( 1304.8 ft ) [% in USA = 48.27, % in Region = 0.46]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	638.3	649.4	662.0	673.0	699.0	730.8	735.2	788.3	802.9	853.0	1036.0
  feet	2094.1	2130.6	2171.9	2208.0	2293.3	2397.6	2412.0	2586.3	2634.2	2798.5	3398.9

  

  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	222.6	138.4	0.256	0.412	86.69	94.98
  Intermittent Shoreline	1.5	1.0	0.002	0.003	61.72	78.54
  Perennial Streams	157.4	97.8	0.181	0.291	37.09	19.63
  Intermittent Streams	504.2	313.4	0.580	0.933	77.88	89.04
  Canals	179.6	111.6	0.207	0.332	97.11	98.63
  1° roads	32.6	20.2	0.037	0.060	84.56	92.69
  2° roads	79.9	49.6	0.092	0.148	98.29	99.09
  3° roads	38.7	24.0	0.044	0.072	42.73	73.52
  4° roads	1432.9	890.5	1.647	2.651	84.70	86.76
  Total Roads	1584.0	984.4	1.821	2.930	84.84	89.04
  Railroads	71.4	44.4	0.082	0.132	80.06	89.50
  Pipes and Powerlines	21.9	13.6	0.025	0.040	45.14	57.53

  
  Of the natural water in this HUC, 57.10% (by length) is intermittent [% in USA = 57.56, % in Region = 71.69]

  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