Upper Malheur -- Cataloging Unit 17050116

• Middle Snake-Boise Accounting Unit 170501
  
• Middle Snake Subregion 1705
  
• 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 6359.1 km² ( 2456.3 mi² ) [% in USA = 89.10, % in Region = 94.98]
  The area from the USGS is 2430 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1564)

  IV. Elevation Analysis

  This analysis is based on 2539203 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1426.5 m ( 4680.1 ft ) [% in USA = 81.53, % in Region = 68.04]
  The elevation standard deviation is 234.7 m ( 770.0 ft ) [% in USA = 75.23, % in Region = 29.68]
  The coefficient of variation is 16.5 %.
  The vertical relief is 1652.3 m ( 5420.9 ft ) [% in USA = 80.25, % in Region = 46.12]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	853.0	1144.9	1219.0	1280.6	1345.4	1402.2	1463.0	1531.5	1625.3	1709.7	2505.3
  feet	2798.5	3756.2	3999.3	4201.4	4414.0	4600.3	4799.8	5024.5	5332.3	5609.2	8219.4

  

  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	155.6	96.7	0.024	0.039	22.64	29.22
  Intermittent Shoreline	8.1	5.0	0.001	0.002	57.41	73.52
  Perennial Streams	1239.8	770.6	0.195	0.314	38.80	20.55
  Intermittent Streams	3977.5	2472.0	0.625	1.006	82.47	93.15
  Canals	63.4	39.4	0.010	0.016	66.32	58.45
  1° roads	0.0	0.0	0.000	0.000	30.84	59.82
  2° roads	54.4	33.8	0.009	0.014	25.63	47.95
  3° roads	23.6	14.7	0.004	0.006	6.02	20.09
  4° roads	4808.5	2988.5	0.756	1.217	19.61	31.96
  Total Roads	4886.5	3037.0	0.768	1.236	17.43	28.31
  Railroads	114.6	71.2	0.018	0.029	27.95	47.49
  Pipes and Powerlines	29.5	18.3	0.005	0.007	16.82	24.66

  
  Of the natural water in this HUC, 74.07% (by length) is intermittent [% in USA = 73.61, % in Region = 87.21]

  VI. Other sites

  • EPA- Surf Your Watershed - Index of Watershed Indicators
  • USGS- Science in Your Watershed - Selected Realtime Streamflow Stations
  • CTIC- Known Your Watershed

  ---

  1999 SEPT 4, Last updated on 2003 JAN 23
  
  D.L. Gustafson, dlg@rapid.msu.montana.edu