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Water-Year Summary for Site 03503000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00045 Precipitation(Sum)  
00060 Discharge(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  

Water year 2019: 2018-10-01 to 2019-09-30

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USGS Water-Year Summary 2019
LOCATION - Lat 35°20'11", long 83°31'37" referenced to North American Datum of 1983, Swain County, NC, Hydrologic Unit 06010202, ) on Secondary Road 1113, 0.8 mile downstream from Dehart Creek, 0.8 mile north of Needmore, Swain County, 2.4 miles downstream from Brush Creek, 6.3 miles downstream from Tellico Creek, and at mile 92.9.
DRAINAGE AREA - 436 mi². (measured by TVA from topographic maps, scale 1:24,000). Basin is fairly well populated except the area below Iotla and the small portion that lies within the Nantahala National Forest; generally characterized by small farms in the valleys, woodland on the steep slopes. There are several small towns and communities scattered throughout the basin. The mean annual precipitation is 55-65 inches.
PERIOD OF RECORD - October 1943 to December 1981, October 1983 to current year. Monthly discharge only for some periods, published in WSP 1306.
GAGE - Water-stage recorder. Datum of gage is 1,761.19 ft above National Geodetic Vertical Datum of 1929 levels by Tennessee Valley Authority). Satellite telemetry at streamgage.

Considerable fluctuation caused by Porters Bend power plant at Lake Emory, 20 mi upstream.

2014 - Records good except those for estimated daily discharges, which are poor.
2015 - Records good.
2016 - Records good.
2017 - Records good except those for estimated discharges, which are fair.
2018 - Records good except those for estimated discharges, which are poor.
2019 - Records good.
EXTREMES OUTSIDE PERIOD OF RECORD - Floods of October 1898 and August 30, 1940, reached stages of about 13 and 11.5 ft, respectively, from flood profiles by Tennessee Valley Authority.