Arroyo Chico -- Cataloging Unit 13020205

• Rio Grande-Elephant Butte Accounting Unit 130202
  
• Rio Grande-Elephant Butte Subregion 1302
  
• Rio Grande Region 13 (There are 70 cataloging units in this region.)
  The state composition by area is 100.0% New Mexico.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 3547.8 km² ( 1370.4 mi² ) [% in USA = 57.13, % in Region = 48.57]
  The area from the USGS is 1360 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 659)

  IV. Elevation Analysis

  This analysis is based on 1416828 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 2112.0 m ( 6929.0 ft ) [% in USA = 95.03, % in Region = 84.29]
  The elevation standard deviation is 161.3 m ( 529.2 ft ) [% in USA = 66.18, % in Region = 34.29]
  The coefficient of variation is 7.6 %.
  The vertical relief is 1424.2 m ( 4672.5 ft ) [% in USA = 75.18, % in Region = 51.43]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	1804.2	1955.4	2008.8	2021.3	2054.4	2072.0	2100.2	2133.0	2187.0	2317.6	3228.4
  feet	5919.2	6415.3	6590.5	6631.5	6740.1	6797.8	6890.3	6997.9	7175.1	7603.6	10591.7

  

  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	16.8	10.4	0.005	0.008	8.34	57.14
  Intermittent Shoreline	79.6	49.4	0.022	0.036	92.80	92.86
  Perennial Streams	65.5	40.7	0.018	0.030	9.24	52.86
  Intermittent Streams	1870.4	1162.4	0.527	0.848	72.48	68.57
  Canals	0.0	0.0	0.000	0.000	35.62	40.00
  1° roads	0.0	0.0	0.000	0.000	30.84	47.14
  2° roads	0.0	0.0	0.000	0.000	15.35	12.86
  3° roads	88.8	55.2	0.025	0.040	26.34	54.29
  4° roads	2878.7	1789.1	0.811	1.306	22.79	42.86
  Total Roads	2967.5	1844.3	0.836	1.346	20.94	35.71
  Railroads	0.0	0.0	0.000	0.000	12.60	27.14
  Pipes and Powerlines	46.3	28.8	0.013	0.021	28.28	62.86

  
  Of the natural water in this HUC, 95.95% (by length) is intermittent [% in USA = 93.79, % in Region = 57.14]

  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