South Fork Payette -- Cataloging Unit 17050120

• 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 100.0% Idaho.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2123.8 km² ( 820.4 mi² ) [% in USA = 23.45, % in Region = 28.77]
  The area from the USGS is 813 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 704)

  IV. Elevation Analysis

  This analysis is based on 847861 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1947.4 m ( 6389.0 ft ) [% in USA = 92.94, % in Region = 91.78]
  The elevation standard deviation is 412.3 m ( 1352.7 ft ) [% in USA = 92.14, % in Region = 81.74]
  The coefficient of variation is 21.2 %.
  The vertical relief is 2249.5 m ( 7380.2 ft ) [% in USA = 92.70, % in Region = 82.19]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	967.5	1396.5	1597.7	1721.8	1834.7	1950.6	2071.2	2184.1	2303.9	2475.5	3217.0
  feet	3174.2	4581.6	5241.7	5648.9	6019.3	6399.5	6795.2	7165.6	7558.6	8121.6	10554.3

  

  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	127.7	79.4	0.060	0.097	40.12	51.14
  Intermittent Shoreline	0.9	0.6	0.000	0.001	43.06	57.53
  Perennial Streams	1541.8	958.2	0.726	1.168	97.39	94.06
  Intermittent Streams	96.9	60.2	0.046	0.073	12.93	15.53
  Canals	0.6	0.4	0.000	0.000	39.70	27.40
  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	68.2	42.4	0.032	0.052	33.06	64.84
  4° roads	774.8	481.5	0.365	0.587	3.03	7.76
  Total Roads	843.0	523.9	0.397	0.639	3.46	9.13
  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, 5.54% (by length) is intermittent [% in USA = 11.23, % in Region = 14.61]

  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