North Santiam -- Cataloging Unit 17090005

• 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 1999.3 km² ( 772.3 mi² ) [% in USA = 20.09, % in Region = 25.57]
  The area from the USGS is 771 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1021)

  IV. Elevation Analysis

  This analysis is based on 798355 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 896.2 m ( 2940.3 ft ) [% in USA = 70.16, % in Region = 38.36]
  The elevation standard deviation is 472.4 m ( 1549.8 ft ) [% in USA = 95.55, % in Region = 90.87]
  The coefficient of variation is 52.7 %.
  The vertical relief is 3067.2 m ( 10062.9 ft ) [% in USA = 98.67, % in Region = 95.43]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	58.0	196.3	427.4	642.5	800.0	932.5	1047.9	1157.9	1280.0	1480.2	3125.2
  feet	190.3	644.0	1402.2	2107.9	2624.6	3059.3	3438.0	3798.8	4199.4	4856.2	10253.2

  

  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	330.1	205.1	0.165	0.266	74.99	89.50
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	43.84
  Perennial Streams	1292.1	803.1	0.646	1.040	94.50	84.02
  Intermittent Streams	174.9	108.7	0.087	0.141	17.57	25.57
  Canals	15.3	9.5	0.008	0.012	63.33	53.42
  1° roads	11.4	7.1	0.006	0.009	49.41	74.89
  2° roads	0.0	0.0	0.000	0.000	15.35	29.22
  3° roads	107.8	67.0	0.054	0.087	49.93	84.93
  4° roads	2833.4	1761.0	1.417	2.280	73.05	79.00
  Total Roads	2952.5	1835.0	1.477	2.376	66.94	79.00
  Railroads	56.3	35.0	0.028	0.045	37.75	58.45
  Pipes and Powerlines	110.3	68.6	0.055	0.089	75.04	82.65

  
  Of the natural water in this HUC, 9.73% (by length) is intermittent [% in USA = 14.68, % in Region = 23.74]

  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