East Branch North Fork Feather -- Cataloging Unit 18020122

• Lower Sacramento Accounting Unit 180201
  
• Upper Sacramento Subregion 1802
  
• California Region 18 (There are 135 cataloging units in this region.)
  The state composition by area is 100.0% California.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2674.4 km² ( 1033.0 mi² ) [% in USA = 38.70, % in Region = 61.48]
  The area from the USGS is 1010 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 868)

  IV. Elevation Analysis

  This analysis is based on 1068679 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1635.6 m ( 5366.1 ft ) [% in USA = 86.17, % in Region = 90.37]
  The elevation standard deviation is 313.0 m ( 1026.9 ft ) [% in USA = 84.18, % in Region = 47.41]
  The coefficient of variation is 19.1 %.
  The vertical relief is 1813.5 m ( 5949.7 ft ) [% in USA = 83.47, % in Region = 48.89]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	731.0	1158.0	1325.2	1465.2	1607.7	1706.0	1764.2	1828.0	1890.1	2008.0	2544.5
  feet	2398.3	3799.2	4347.7	4807.0	5274.5	5597.0	5788.0	5997.3	6201.0	6587.8	8348.0

  

  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	51.2	31.8	0.019	0.031	19.23	19.26
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	33.33
  Perennial Streams	896.2	557.0	0.335	0.539	62.39	61.48
  Intermittent Streams	1279.6	795.3	0.478	0.770	66.79	68.15
  Canals	11.8	7.3	0.004	0.007	57.18	40.74
  1° roads	0.0	0.0	0.000	0.000	30.84	40.00
  2° roads	0.0	0.0	0.000	0.000	15.35	73.33
  3° roads	95.0	59.1	0.036	0.057	35.67	41.48
  4° roads	3650.1	2268.6	1.365	2.196	69.87	62.22
  Total Roads	3745.2	2327.6	1.400	2.253	61.44	60.74
  Railroads	118.2	73.4	0.044	0.071	53.29	69.63
  Pipes and Powerlines	40.5	25.2	0.015	0.024	31.50	44.44

  
  Of the natural water in this HUC, 57.46% (by length) is intermittent [% in USA = 58.03, % in Region = 62.22]

  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