Seneca -- Cataloging Unit 03060101

• Savannah Accounting Unit 030601
  
• Ogeechee-Savannah Subregion 0306
  
• South Atlantic-Gulf Region 03 (There are 198 cataloging units in this region.)
  The state composition by area is 89.9% South Carolina, 10.1% North Carolina.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2673.9 km² ( 1032.8 mi² ) [% in USA = 38.65, % in Region = 41.92]
  The area from the USGS is 1020 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 2199)

  IV. Elevation Analysis

  This analysis is based on 1068558 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 364.3 m ( 1195.2 ft ) [% in USA = 46.85, % in Region = 96.97]
  The elevation standard deviation is 214.1 m ( 702.4 ft ) [% in USA = 73.38, % in Region = 98.99]
  The coefficient of variation is 58.8 %.
  The vertical relief is 1198.3 m ( 3931.4 ft ) [% in USA = 70.49, % in Region = 98.48]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	200.0	217.0	243.7	254.3	274.0	284.4	305.0	335.0	390.4	666.8	1398.3
  feet	656.2	711.9	799.5	834.3	898.9	933.1	1000.6	1099.1	1280.8	2187.6	4587.5

  

  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	1247.9	775.6	0.467	0.751	95.55	88.89
  Intermittent Shoreline	0.0	0.0	0.000	0.000	26.95	29.80
  Perennial Streams	1573.6	978.0	0.588	0.947	90.43	85.86
  Intermittent Streams	215.1	133.7	0.080	0.129	16.82	25.25
  Canals	0.0	0.0	0.000	0.000	35.62	41.41
  1° roads	67.8	42.1	0.025	0.041	75.46	62.63
  2° roads	151.0	93.8	0.056	0.091	87.54	63.64
  3° roads	565.6	351.5	0.212	0.340	92.75	93.94
  4° roads	5164.8	3209.9	1.932	3.108	91.76	86.87
  Total Roads	5949.2	3697.5	2.225	3.580	92.61	88.89
  Railroads	125.2	77.8	0.047	0.075	55.90	32.32
  Pipes and Powerlines	276.6	171.9	0.103	0.166	95.12	89.39

  
  Of the natural water in this HUC, 7.08% (by length) is intermittent [% in USA = 12.65, % in Region = 16.16]

  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