USGS Water-Year Summary for Site 03167000

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	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

03167000 REED CREEK AT GRAHAMS FORGE, VA

LOCATION - Lat 36°56'20", long 80°53'15" referenced to North American Datum of 1927, Wythe County, VA, Hydrologic Unit 05050001, on left bank 20 ft downstream from bridge on State Highway 619 at Grahams Forge, 2.2 mi downstream from Glade Creek, and at mile 7.3.

DRAINAGE AREA - 258 mi².

REVISIONS HISTORY - WSP 1235: 1912-13, 1915-16. WSP 1275: 1911, 1927-28(M), 1930-34(M). WSP 1705: 1913(M), 1916(M), 1957 calendar year runoff. WSP 1725: 1915 calendar year runoff. WDR VA-92-1: 1984-86(P), 1987, 1988-89(P), 1990-91. OFR 2006-1308: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 1908 to September 1916, January 1927 to current year. Monthly discharge only for some periods, published in WSP 1305.

GAGE -

Water-stage recorder. Datum of gage is 1924.18 ft NAVD of 1988. Prior to Oct. 1, 1916, nonrecording gage at present site but different datum: 1,923.97 ft NGVD of 1929.

Feb. 3, 1927 to Oct. 28, 1934, and June 11, 1974 to July 22, 1975, nonrecording gage at present site and datum.

REMARKS - Occasional diurnal fluctuation at low flow caused by mills upstream from station. Maximum discharge, 17,500 ft³/s, from rating curve extended above 7,600 ft³/s on basis of velocity-area study and slope-area measurement at gage heights 11.4 ft and 10.01 ft, respectively. Water-quality records for some prior periods have been collected at this location.

WATER-QUALITY RECORDS

PERIOD OF RECORD - November 2006 to June 2009.

PERIOD OF DAILY RECORD - December 2006 to June 2009.

INSTRUMENTATION - Specific conductance and water temperature monitor. Electronic data logger with 15-minute recording interval.

EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum, 557 microseimens/cm, Jan. 22, 2007; minimum, 80 microseimens/cm, Apr. 6, 2008.
WATER TEMPERATURE: Maximum, 27.6°C, June 7, 2008; minimum, -0.4°C Jan. 16, 21, 22, Feb. 5, 6, 2009.