Middle Fork Payette -- Cataloging Unit 17050121

• 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 886.9 km² ( 342.6 mi² ) [% in USA = 3.65, % in Region = 5.48]
  The area from the USGS is 338 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 268)

  IV. Elevation Analysis

  This analysis is based on 354057 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1683.1 m ( 5521.9 ft ) [% in USA = 87.21, % in Region = 81.28]
  The elevation standard deviation is 366.8 m ( 1203.4 ft ) [% in USA = 88.82, % in Region = 70.78]
  The coefficient of variation is 21.8 %.
  The vertical relief is 1671.4 m ( 5483.5 ft ) [% in USA = 80.63, % in Region = 47.49]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	948.5	1208.3	1367.1	1464.0	1556.5	1647.2	1761.8	1892.4	2051.7	2206.4	2619.9
  feet	3111.8	3964.2	4485.2	4803.1	5106.6	5404.1	5780.1	6208.6	6731.2	7238.8	8595.4

  

  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	0.2	0.1	0.000	0.000	1.14	1.37
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	43.84
  Perennial Streams	661.8	411.3	0.746	1.201	97.82	96.80
  Intermittent Streams	50.3	31.2	0.057	0.091	14.26	18.72
  Canals	10.7	6.7	0.012	0.019	68.26	63.47
  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	737.8	458.5	0.832	1.338	24.06	38.81
  Total Roads	737.8	458.5	0.832	1.338	20.75	35.16
  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, 7.06% (by length) is intermittent [% in USA = 12.60, % in Region = 17.35]

  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