Lower Pecos-Red Bluff Reservoir -- Cataloging Unit 13070001

• Lower Pecos Subregion 1307
  
• Rio Grande Region 13 (There are 70 cataloging units in this region.)
  The state composition by area is 92.8% Texas, 7.2% New Mexico.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 11962.8 km² ( 4620.9 mi² ) [% in USA = 98.86, % in Region = 95.71]
  The area from the USGS is 4430 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 633)

  IV. Elevation Analysis

  This analysis is based on 4777499 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 895.9 m ( 2939.3 ft ) [% in USA = 70.11, % in Region = 21.43]
  The elevation standard deviation is 144.4 m ( 473.7 ft ) [% in USA = 63.52, % in Region = 28.57]
  The coefficient of variation is 16.1 %.
  The vertical relief is 1043.0 m ( 3421.9 ft ) [% in USA = 66.51, % in Region = 31.43]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	694.0	750.5	786.0	811.0	832.2	858.1	892.0	934.0	986.1	1075.8	1737.0
  feet	2276.9	2462.2	2578.7	2660.7	2730.3	2815.3	2926.5	3064.3	3235.2	3529.5	5698.8

  

  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	107.5	66.8	0.009	0.014	11.56	64.29
  Intermittent Shoreline	96.1	59.7	0.008	0.013	82.47	74.29
  Perennial Streams	694.8	431.9	0.058	0.093	18.52	71.43
  Intermittent Streams	1893.0	1176.5	0.158	0.255	26.62	5.71
  Canals	422.0	262.3	0.035	0.057	80.72	87.14
  1° roads	133.2	82.8	0.011	0.018	56.42	77.14
  2° roads	219.1	136.2	0.018	0.029	39.84	60.00
  3° roads	320.5	199.2	0.027	0.043	27.52	57.14
  4° roads	15195.9	9444.3	1.270	2.044	61.30	87.14
  Total Roads	15868.7	9862.4	1.326	2.134	53.96	87.14
  Railroads	339.6	211.0	0.028	0.046	38.13	77.14
  Pipes and Powerlines	407.0	252.9	0.034	0.055	55.80	85.71

  
  Of the natural water in this HUC, 71.26% (by length) is intermittent [% in USA = 71.06, % in Region = 17.14]

  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