Shiawassee -- Cataloging Unit 04080203

• Saginaw Accounting Unit 040802
  
• Southwestern Lake Huron Subregion 0408
  
• Great Lakes Region 04 (There are 111 cataloging units in this region.)
  The state composition by area is 100.0% Michigan.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 3107.1 km² ( 1200.2 mi² ) [% in USA = 48.98, % in Region = 67.57]
  The area from the USGS is 1220 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 741)

  IV. Elevation Analysis

  This analysis is based on 1241464 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 234.0 m ( 767.7 ft ) [% in USA = 29.13, % in Region = 33.33]
  The elevation standard deviation is 41.6 m ( 136.5 ft ) [% in USA = 33.02, % in Region = 52.25]
  The coefficient of variation is 17.8 %.
  The vertical relief is 181.7 m ( 596.1 ft ) [% in USA = 24.87, % in Region = 36.04]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	179.0	185.0	196.0	201.0	212.0	222.2	242.0	261.4	274.0	298.5	360.7
  feet	587.3	606.9	643.0	659.4	695.5	729.0	794.0	857.6	898.9	979.3	1183.4

  

  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	553.4	343.9	0.178	0.287	77.31	58.56
  Intermittent Shoreline	2.6	1.6	0.001	0.001	51.87	79.28
  Perennial Streams	787.7	489.6	0.254	0.408	48.89	22.52
  Intermittent Streams	1133.5	704.5	0.365	0.587	53.10	87.39
  Canals	414.8	257.8	0.134	0.215	94.79	95.50
  1° roads	116.8	72.6	0.038	0.061	84.70	65.77
  2° roads	13.2	8.2	0.004	0.007	20.23	27.03
  3° roads	182.2	113.2	0.059	0.094	53.72	35.14
  4° roads	5210.2	3238.2	1.677	2.698	85.65	74.77
  Total Roads	5522.4	3432.2	1.777	2.860	83.75	69.37
  Railroads	334.0	207.6	0.107	0.173	89.39	72.07
  Pipes and Powerlines	113.3	70.4	0.036	0.059	57.98	61.26

  
  Of the natural water in this HUC, 45.86% (by length) is intermittent [% in USA = 48.13, % in Region = 86.49]

  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