C. J. Strike Reservoir -- Cataloging Unit 17050101

• 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% Idaho.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 5591.5 km² ( 2159.8 mi² ) [% in USA = 83.70, % in Region = 89.04]
  The area from the USGS is 2150 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 418)

  IV. Elevation Analysis

  This analysis is based on 2235599 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1104.5 m ( 3623.6 ft ) [% in USA = 74.56, % in Region = 46.58]
  The elevation standard deviation is 240.0 m ( 787.4 ft ) [% in USA = 76.13, % in Region = 31.96]
  The coefficient of variation is 21.7 %.
  The vertical relief is 1500.0 m ( 4921.2 ft ) [% in USA = 76.55, % in Region = 34.25]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	750.0	859.0	916.7	945.3	975.0	1030.1	1097.0	1191.0	1293.8	1427.5	2250.0
  feet	2460.6	2818.2	3007.5	3101.3	3198.8	3379.6	3599.0	3907.4	4244.7	4683.3	7381.8

  

  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	273.5	170.0	0.049	0.079	35.29	46.12
  Intermittent Shoreline	38.3	23.8	0.007	0.011	80.48	91.32
  Perennial Streams	448.5	278.7	0.080	0.129	22.36	8.22
  Intermittent Streams	2874.4	1786.5	0.514	0.827	70.91	81.28
  Canals	195.2	121.3	0.035	0.056	80.67	79.00
  1° roads	96.2	59.8	0.017	0.028	65.89	83.11
  2° roads	47.3	29.4	0.008	0.014	25.53	47.49
  3° roads	78.8	48.9	0.014	0.023	15.40	38.36
  4° roads	6344.4	3943.1	1.135	1.826	47.80	63.47
  Total Roads	6566.6	4081.1	1.174	1.890	41.12	62.56
  Railroads	134.1	83.3	0.024	0.039	33.35	53.42
  Pipes and Powerlines	432.9	269.0	0.077	0.125	87.92	95.89

  
  Of the natural water in this HUC, 80.14% (by length) is intermittent [% in USA = 78.59, % in Region = 92.69]

  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