Fort Peck Reservoir -- Cataloging Unit 10040104

• Fort Peck Lake Accounting Unit 100401
  
• Missouri-Musselshell Subregion 1004
  
• Missouri Region 10 (There are 310 cataloging units in this region.)
  The state composition by area is 100.0% Montana.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 13740.8 km² ( 5307.6 mi² ) [% in USA = 99.24, % in Region = 99.35]
  The area from the USGS is 5350 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1868)

  IV. Elevation Analysis

  This analysis is based on 5490196 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 853.0 m ( 2798.5 ft ) [% in USA = 68.59, % in Region = 50.65]
  The elevation standard deviation is 140.7 m ( 461.6 ft ) [% in USA = 62.86, % in Region = 70.65]
  The coefficient of variation is 16.5 %.
  The vertical relief is 1213.4 m ( 3980.9 ft ) [% in USA = 70.91, % in Region = 76.77]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	621.0	701.0	740.8	767.2	792.1	823.0	853.0	885.4	943.9	1011.9	1834.4
  feet	2037.4	2299.8	2430.4	2517.0	2598.7	2700.1	2798.5	2904.8	3096.7	3319.8	6018.3

  

  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	2846.0	1768.8	0.207	0.333	81.48	95.48
  Intermittent Shoreline	114.4	71.1	0.008	0.013	82.76	66.13
  Perennial Streams	306.5	190.5	0.022	0.036	10.18	11.29
  Intermittent Streams	7511.8	4668.6	0.547	0.880	74.85	49.35
  Canals	6.9	4.3	0.001	0.001	41.64	46.45
  1° roads	0.0	0.0	0.000	0.000	30.84	48.39
  2° roads	79.1	49.1	0.006	0.009	22.22	20.97
  3° roads	148.2	92.1	0.011	0.017	11.75	17.74
  4° roads	5670.4	3524.2	0.413	0.664	4.31	4.84
  Total Roads	5897.7	3665.4	0.429	0.691	3.98	3.55
  Railroads	0.0	0.0	0.000	0.000	12.70	11.94
  Pipes and Powerlines	65.8	40.9	0.005	0.008	17.01	24.52

  
  Of the natural water in this HUC, 70.75% (by length) is intermittent [% in USA = 70.54, % in Region = 42.58]

  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