Upper Calaveras -- Cataloging Unit 18040011

• San Joaquin Subregion 1804
  
• 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 946.0 km² ( 365.4 mi² ) [% in USA = 4.03, % in Region = 19.26]
  The area from the USGS is 383 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 441)

  IV. Elevation Analysis

  This analysis is based on 377760 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 616.2 m ( 2021.6 ft ) [% in USA = 61.49, % in Region = 45.93]
  The elevation standard deviation is 290.0 m ( 951.4 ft ) [% in USA = 81.76, % in Region = 45.19]
  The coefficient of variation is 47.1 %.
  The vertical relief is 1593.9 m ( 5229.3 ft ) [% in USA = 78.73, % in Region = 42.22]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	183.0	304.5	365.0	426.0	487.0	549.2	651.6	731.0	822.3	1003.1	1776.9
  feet	600.4	999.0	1197.5	1397.6	1597.7	1801.8	2137.8	2398.3	2697.8	3291.0	5829.7

  

  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	109.0	67.8	0.115	0.185	61.49	67.41
  Intermittent Shoreline	5.7	3.5	0.006	0.010	79.25	76.30
  Perennial Streams	273.4	169.9	0.289	0.465	55.09	55.56
  Intermittent Streams	870.7	541.1	0.920	1.481	97.02	96.30
  Canals	34.4	21.4	0.036	0.058	81.15	71.85
  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	90.3	56.1	0.095	0.154	71.44	91.11
  4° roads	1373.0	853.3	1.451	2.335	75.46	65.93
  Total Roads	1463.3	909.5	1.547	2.489	72.15	68.15
  Railroads	14.3	8.9	0.015	0.024	24.82	42.22
  Pipes and Powerlines	15.7	9.8	0.017	0.027	33.63	48.15

  
  Of the natural water in this HUC, 69.62% (by length) is intermittent [% in USA = 69.59, % in Region = 77.04]

  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