South Raccoon -- Cataloging Unit 07100007

• Des Moines Subregion 0710
  
• Upper Mississippi Region 07 (There are 131 cataloging units in this region.)
  The state composition by area is 100.0% Iowa.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2967.8 km² ( 1146.4 mi² ) [% in USA = 46.09, % in Region = 39.69]
  The area from the USGS is 1130 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 273)

  IV. Elevation Analysis

  This analysis is based on 1185441 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 360.6 m ( 1183.1 ft ) [% in USA = 46.38, % in Region = 79.39]
  The elevation standard deviation is 39.3 m ( 128.9 ft ) [% in USA = 31.08, % in Region = 72.52]
  The coefficient of variation is 10.9 %.
  The vertical relief is 199.9 m ( 655.8 ft ) [% in USA = 28.56, % in Region = 64.12]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	262.0	307.8	321.4	335.7	350.0	359.5	367.6	381.0	396.2	413.7	461.9
  feet	859.6	1009.8	1054.4	1101.4	1148.3	1179.4	1206.0	1250.0	1299.9	1357.3	1515.4

  

  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	106.6	66.3	0.036	0.058	29.04	10.69
  Intermittent Shoreline	4.0	2.5	0.001	0.002	58.27	57.25
  Perennial Streams	843.5	524.2	0.284	0.457	54.10	57.25
  Intermittent Streams	1482.7	921.5	0.500	0.804	69.35	72.52
  Canals	29.8	18.5	0.010	0.016	66.41	61.07
  1° roads	26.2	16.3	0.009	0.014	53.34	41.22
  2° roads	88.1	54.8	0.030	0.048	56.28	45.80
  3° roads	236.6	147.1	0.080	0.128	64.80	46.56
  4° roads	3661.2	2275.5	1.234	1.985	57.13	45.04
  Total Roads	4012.2	2493.6	1.352	2.175	56.09	45.04
  Railroads	162.6	101.1	0.055	0.088	62.86	33.59
  Pipes and Powerlines	101.3	62.9	0.034	0.055	55.95	62.60

  
  Of the natural water in this HUC, 61.01% (by length) is intermittent [% in USA = 61.53, % in Region = 87.02]

  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