Middle Washita -- Cataloging Unit 11130303

• Washita Accounting Unit 111303
  
• Red - Washita Subregion 1113
  
• Arkansas-White-Red Region 11 (There are 173 cataloging units in this region.)
  The state composition by area is 100.0% Oklahoma.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 6496.2 km² ( 2509.3 mi² ) [% in USA = 89.86, % in Region = 93.06]
  The area from the USGS is 2490 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 676)

  IV. Elevation Analysis

  This analysis is based on 2594464 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 318.1 m ( 1043.6 ft ) [% in USA = 40.98, % in Region = 38.15]
  The elevation standard deviation is 40.1 m ( 131.6 ft ) [% in USA = 31.74, % in Region = 27.75]
  The coefficient of variation is 12.6 %.
  The vertical relief is 245.9 m ( 806.7 ft ) [% in USA = 35.91, % in Region = 35.84]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	201.0	270.9	286.0	298.7	304.0	315.4	331.6	335.0	355.9	366.1	446.9
  feet	659.4	888.8	938.3	980.0	997.4	1034.8	1087.9	1099.1	1167.6	1201.1	1466.2

  

  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	1131.2	703.0	0.174	0.280	76.65	80.92
  Intermittent Shoreline	0.8	0.5	0.000	0.000	31.74	13.87
  Perennial Streams	1101.2	684.4	0.170	0.273	35.29	54.34
  Intermittent Streams	1992.9	1238.6	0.307	0.494	46.04	21.97
  Canals	0.0	0.0	0.000	0.000	35.62	56.65
  1° roads	117.7	73.2	0.018	0.029	67.03	74.57
  2° roads	182.3	113.3	0.028	0.045	53.91	40.46
  3° roads	632.8	393.3	0.097	0.157	72.05	78.03
  4° roads	7087.0	4404.6	1.091	1.755	44.05	41.62
  Total Roads	8019.8	4984.3	1.235	1.986	45.67	44.51
  Railroads	229.5	142.6	0.035	0.057	44.48	38.15
  Pipes and Powerlines	388.6	241.5	0.060	0.096	78.97	78.61

  
  Of the natural water in this HUC, 47.18% (by length) is intermittent [% in USA = 49.41, % in Region = 17.34]

  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