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Water-Year Summary for Site 02387000

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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Max.,Min.,Mean) [(2)]  

Water year 2018: 2017-10-01 to 2018-09-30

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USGS Water-Year Summary 2018
LOCATION - Lat 34°40'00", long 84°55'42" referenced to North American Datum of 1927, Whitfield County, GA, Hydrologic Unit 03150101,
On left bank 250.0 feet downstream from Tilton Road Bridge, 0.6 mi downstream from confluence with Swamp Creek, 2.7 mi upstream from confluence with Howell Creek, 12.0 mi upstream from confluence with Coosawattee River, and 0.5 mi northeast of Tilton.
DRAINAGE AREA - 687 mi².
REVISIONS HISTORY - WRD GA-80-1: Drainage area.
Discharge: June 1937 to current year.
Gage height: October 1998 to current year.
GAGE - Satellite telemetry with a water-stage recorder and a continuous water-quality monitor. Datum of gage is 622.28 feet above National Geodetic Vertical Datum (NGVD) of 1929 (levels by Corps of Engineers). Prior to August 24, 1940, a non-recording gage was located at site 150 feet upstream at same datum. Since October 1, 1979, an auxiliary water-stage recorder was located at Sloan Road Bridge, 3.2 miles downstream. A water-stage recorder on Oostanaula River at Resaca was used as auxiliary gage during 1961-79 water years.
COOPERATION - U.S. Army Corps of Engineers, Mobile District; Georgia Department of Natural Resources, Environmental Protection Division.
For period 10/01/2013 - 12/06/2017: Discharge record fair, except those for Estimated Daily Discharges, which are poor. Gage height record good.

Flow affected by withdrawals and return flow by the City of Dalton.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 36,800 cfs, (Gage height 29.89 feet), February 17, 1990; maximum gage height recorded, 30.20 feet, backwater from Coosawattee River, March 30, 1951; minimum daily discharge, 9.4 cfs, August 25, 2007.
PERIOD OF RECORD - September 1941, October 1942 to September 1943, June 1957 to current year.

SPECIFIC CONDUCTANCE: October 1975 to January 2007.
pH: October 1975 to January 2007.
WATER TEMPERATURE: February 1975 to January 2007.
DISSOLVED OXYGEN: October 1975 to January 2007.

COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.
REMARKS - Analyzing agency is represented by the five-digit code listed under USGS Water Science Center special parameter code 99920. Laboratory analyses with analyzing agency code 81341 are by the Laboratory Services Section, Environmental Protection Division, Georgia Department of Natural Resources.  Field determinations of Discharge, Specific Conductance, pH, Water Temperature, Air Temperature, and Dissolved Oxygen are by the U.S. Geological Survey.

SPECIFIC CONDUCTANCE: Maximum recorded, 680 microsiemens, October 17, 1993; minimum recorded, 34 mcirosiemens, March 23, 1980.
pH: Maximum recorded, 10.7 units, February 13, 1988; minimum recorded, 5.9 units, September 28, 29 1979.
WATER TEMPERATURE: Maximum recorded, 33.0 °C, July 23, 1986; minimum recorded, 0.0 °C, on several days.
DISSOLVED OXYGEN: Maximum recorded, 17.9 mg/L, October 12, 2000; minimum recorded, 0.0 mg/L, December 14, 2001.