USGS Water-Year Summary for Site 03460795

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	Available Parameters
	00010 Temperature, water(Min.,Max.,Mean)
	00060 Discharge(Max.,Min.,Mean)
	00065 Gage height(Max.,Min.,Mean)
	00300 Dissolved oxygen(Min.,Max.,Mean)

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

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USGS Water-Year Summary 2023

03460795 PIGEON RIVER BELOW POWER PLANT NEAR WATERVILLE, NC

LOCATION - Lat 35°47'01", long 83°06'43" referenced to North American Datum of 1983, Haywood County, NC, Hydrologic Unit 06010106, on left bank, 550 ft. upstream of Browns Bridge on Waterville Road, 0.92 miles downstream of Cocke County Tennessee and Haywood County North Carolina lines, 1.05 miles northwest of Waterville, and at mile 25.

DRAINAGE AREA - 538 mi².

REVISIONS HISTORY - WDR NC-04-1: 1997-1998 (annual maximum discharge), 2003 (annual maximum discharge).

SURFACE-WATER RECORDS

PERIOD OF RECORD - February 1997 to current year.

GAGE - Water-stage recorder. Datum of gage is 1,352.96 ft. above NAVD of 1988. Satellite telemetry at streamgage.

REMARKS - Considerable regulation, caused by Walters Hydroelectric Plant, 1.0 mi upstream.

Gage-height records are generally good. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-nc_nwisweb_data_inquiries@usgs.gov.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge from rating curve extended above 11,000 ft³/s on basis of slope-conveyance measurement of peak flow.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1997 to current year.

PERIOD OF DAILY RECORD - WATER TEMPERATURE: Water years 1997 to current year. DISSOLVED OXYGEN: Water years 1997 to current year. DISSOLVED OXYGEN, PERCENT SATURATION: Water years 2001 to 2015.

INSTRUMENTATION - Water-quality monitor since May 1997.

REMARKS - Data are typically collected for the months of June through September.

EXTREMES FOR PERIOD OF DAILY RECORD -

WATER TEMPERATURE: Maximum recorded, 26.3°C, August 14, 2016; minimum recorded, 6.8°C, June 2, 2001.
DISSOLVED OXYGEN: Maximum recorded, 15.8 mg/L, July 21, 2007; minimum recorded, 3.1 mg/L, November 1, 1998.
DISSOLVED OXYGEN, PERCENT SATURATION: Maximum recorded, 190%, July 21, 2007; minimum recorded, 19%, August 19, 1998.