South Santiam -- Cataloging Unit 17090006

• Willamette Subregion 1709
  
• Pacific Northwest Region 17 (There are 219 cataloging units in this region.)
  The state composition by area is 100.0% Oregon.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2688.6 km² ( 1038.5 mi² ) [% in USA = 39.18, % in Region = 47.95]
  The area from the USGS is 1050 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 894)

  IV. Elevation Analysis

  This analysis is based on 1074043 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 609.6 m ( 2000.0 ft ) [% in USA = 61.30, % in Region = 22.37]
  The elevation standard deviation is 371.3 m ( 1218.2 ft ) [% in USA = 89.20, % in Region = 71.23]
  The coefficient of variation is 60.9 %.
  The vertical relief is 1629.9 m ( 5347.4 ft ) [% in USA = 79.73, % in Region = 42.92]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	77.0	124.0	210.7	312.5	455.1	583.2	716.6	850.0	982.3	1143.5	1706.9
  feet	252.6	406.8	691.3	1025.2	1493.1	1913.4	2351.0	2788.7	3222.7	3751.6	5600.0

  

  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	239.5	148.9	0.089	0.143	51.92	63.01
  Intermittent Shoreline	2.4	1.5	0.001	0.001	52.63	68.04
  Perennial Streams	1682.4	1045.6	0.626	1.007	93.37	81.28
  Intermittent Streams	325.1	202.0	0.121	0.195	21.89	32.88
  Canals	16.6	10.3	0.006	0.010	60.59	49.32
  1° roads	0.0	0.0	0.000	0.000	30.84	59.82
  2° roads	86.3	53.6	0.032	0.052	60.59	82.19
  3° roads	36.8	22.9	0.014	0.022	14.64	36.53
  4° roads	5108.3	3174.8	1.900	3.057	91.33	91.78
  Total Roads	5231.4	3251.4	1.946	3.131	87.92	91.32
  Railroads	60.7	37.7	0.023	0.036	32.21	52.05
  Pipes and Powerlines	135.1	84.0	0.050	0.081	70.87	79.00

  
  Of the natural water in this HUC, 14.56% (by length) is intermittent [% in USA = 19.14, % in Region = 31.96]

  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