Honcut headwaters -- Cataloging Unit 18020124

• 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 350.9 km² ( 135.5 mi² ) [% in USA = 0.81, % in Region = 5.19]
  The area from the USGS is 107 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 150)

  IV. Elevation Analysis

  This analysis is based on 139966 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 291.3 m ( 955.7 ft ) [% in USA = 37.94, % in Region = 25.93]
  The elevation standard deviation is 199.7 m ( 655.2 ft ) [% in USA = 71.81, % in Region = 28.15]
  The coefficient of variation is 68.6 %.
  The vertical relief is 952.0 m ( 3123.3 ft ) [% in USA = 64.47, % in Region = 17.04]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	23.0	61.0	104.8	142.6	188.4	244.0	306.4	390.7	472.8	579.7	975.0
  feet	75.5	200.1	343.8	467.8	618.1	800.5	1005.2	1281.8	1551.2	1901.9	3198.8

  

  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	4.3	2.7	0.012	0.020	14.50	14.81
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	33.33
  Perennial Streams	65.1	40.5	0.186	0.299	37.80	34.07
  Intermittent Streams	378.3	235.1	1.078	1.735	99.48	99.26
  Canals	102.2	63.5	0.291	0.468	98.20	94.07
  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	0.0	0.0	0.000	0.000	4.07	3.70
  4° roads	528.3	328.3	1.505	2.422	78.92	69.63
  Total Roads	528.3	328.3	1.505	2.422	68.92	65.93
  Railroads	5.4	3.3	0.015	0.025	25.11	42.96
  Pipes and Powerlines	39.4	24.5	0.112	0.181	96.40	95.56

  
  Of the natural water in this HUC, 84.50% (by length) is intermittent [% in USA = 83.14, % in Region = 86.67]

  VI. Other sites

  • EPA- Surf Your Watershed - Index of Watershed Indicators
  • USGS- Science in Your Watershed - Selected Realtime Streamflow Stations
  • CTIC- Known Your Watershed

  ---

  1999 SEPT 4, Last updated on 2003 JAN 23
  
  D.L. Gustafson, dlg@rapid.msu.montana.edu