West Walker -- Cataloging Unit 16050302

• Walker Accounting Unit 160503
  
• Central Lahontan Subregion 1605
  
• Great Basin Region 16 (There are 71 cataloging units in this region.)
  The state composition by area is 60.0% Nevada, 40.0% California.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2569.9 km² ( 992.7 mi² ) [% in USA = 35.72, % in Region = 21.13]
  The area from the USGS is 992 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 598)

  IV. Elevation Analysis

  This analysis is based on 1026699 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 2064.7 m ( 6773.9 ft ) [% in USA = 94.41, % in Region = 83.10]
  The elevation standard deviation is 493.4 m ( 1618.7 ft ) [% in USA = 96.68, % in Region = 98.59]
  The coefficient of variation is 23.9 %.
  The vertical relief is 2214.2 m ( 7264.3 ft ) [% in USA = 92.28, % in Region = 85.92]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	1333.0	1484.5	1570.9	1664.0	1825.4	2011.0	2172.4	2319.3	2516.7	2801.5	3547.2
  feet	4373.3	4870.3	5153.8	5459.3	5988.8	6597.7	7127.2	7609.2	8256.8	9191.2	11637.7

  

  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	77.8	48.3	0.030	0.049	26.20	64.79
  Intermittent Shoreline	12.4	7.7	0.005	0.008	76.17	81.69
  Perennial Streams	718.5	446.6	0.280	0.450	53.39	84.51
  Intermittent Streams	648.7	403.2	0.252	0.406	38.42	8.45
  Canals	210.0	130.5	0.082	0.132	90.67	87.32
  1° roads	0.0	0.0	0.000	0.000	30.84	53.52
  2° roads	63.4	39.4	0.025	0.040	48.32	80.28
  3° roads	107.3	66.7	0.042	0.067	40.93	74.65
  4° roads	1641.5	1020.2	0.639	1.028	13.83	47.89
  Total Roads	1812.2	1126.3	0.705	1.135	14.73	53.52
  Railroads	0.0	0.0	0.000	0.000	12.60	32.39
  Pipes and Powerlines	0.9	0.6	0.000	0.001	9.95	14.08

  
  Of the natural water in this HUC, 45.36% (by length) is intermittent [% in USA = 47.61, % in Region = 11.27]

  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