Upper Iowa -- Cataloging Unit 07080207

• Iowa Accounting Unit 070802
  
• Upper Mississippi-Iowa-Skunk-Wapsipinicon Subregion 0708
  
• 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 3699.5 km² ( 1429.0 mi² ) [% in USA = 59.92, % in Region = 52.67]
  The area from the USGS is 1430 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 361)

  IV. Elevation Analysis

  This analysis is based on 1478377 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 351.6 m ( 1153.5 ft ) [% in USA = 45.19, % in Region = 73.28]
  The elevation standard deviation is 27.3 m ( 89.6 ft ) [% in USA = 19.09, % in Region = 42.75]
  The coefficient of variation is 7.8 %.
  The vertical relief is 155.1 m ( 508.9 ft ) [% in USA = 19.47, % in Region = 40.46]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	268.0	307.2	328.8	341.2	350.6	356.0	365.0	369.4	376.0	381.0	423.1
  feet	879.3	1007.9	1078.7	1119.4	1150.2	1168.0	1197.5	1211.9	1233.6	1250.0	1388.1

  

  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	106.1	65.9	0.029	0.046	25.20	6.87
  Intermittent Shoreline	31.6	19.7	0.009	0.014	83.14	93.89
  Perennial Streams	1079.6	671.0	0.292	0.470	55.47	61.07
  Intermittent Streams	841.4	522.9	0.227	0.366	35.10	27.48
  Canals	126.5	78.6	0.034	0.055	80.48	82.44
  1° roads	32.6	20.3	0.009	0.014	53.20	40.46
  2° roads	187.3	116.4	0.051	0.081	82.99	84.73
  3° roads	150.6	93.6	0.041	0.065	39.79	5.34
  4° roads	4620.8	2871.9	1.249	2.010	58.50	50.38
  Total Roads	4991.3	3102.1	1.349	2.171	55.57	42.75
  Railroads	340.0	211.3	0.092	0.148	84.32	67.18
  Pipes and Powerlines	63.1	39.2	0.017	0.027	34.68	26.72

  
  Of the natural water in this HUC, 42.41% (by length) is intermittent [% in USA = 45.10, % in Region = 42.75]

  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