West Nodaway -- Cataloging Unit 10240009

• Missouri-Nishnabotna Subregion 1024
  
• Missouri Region 10 (There are 310 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 2068.4 km² ( 799.0 mi² ) [% in USA = 21.74, % in Region = 14.84]
  The area from the USGS is 782 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 230)

  IV. Elevation Analysis

  This analysis is based on 825933 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 373.6 m ( 1225.7 ft ) [% in USA = 47.75, % in Region = 13.23]
  The elevation standard deviation is 31.5 m ( 103.3 ft ) [% in USA = 23.12, % in Region = 7.74]
  The coefficient of variation is 8.4 %.
  The vertical relief is 156.3 m ( 512.8 ft ) [% in USA = 19.75, % in Region = 5.81]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	292.1	326.1	346.9	358.1	366.0	378.5	382.4	395.9	402.5	411.0	448.4
  feet	958.3	1069.9	1138.1	1174.9	1200.8	1241.8	1254.6	1298.9	1320.5	1348.4	1471.1

  

  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	56.8	35.3	0.027	0.044	24.59	31.94
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	8.71
  Perennial Streams	390.5	242.7	0.189	0.304	37.99	64.52
  Intermittent Streams	1703.6	1058.8	0.824	1.325	94.60	84.19
  Canals	0.0	0.0	0.000	0.000	35.62	43.55
  1° roads	1.3	0.8	0.001	0.001	39.37	55.81
  2° roads	91.8	57.1	0.044	0.071	76.27	87.10
  3° roads	106.0	65.9	0.051	0.082	47.61	71.94
  4° roads	2476.2	1538.9	1.197	1.926	53.77	82.90
  Total Roads	2675.3	1662.7	1.293	2.081	50.54	78.71
  Railroads	30.9	19.2	0.015	0.024	24.54	31.61
  Pipes and Powerlines	77.4	48.1	0.037	0.060	58.93	77.10

  
  Of the natural water in this HUC, 79.20% (by length) is intermittent [% in USA = 77.55, % in Region = 55.16]

  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