USGS Water-Year Summary for Site 01626000

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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

01626000 SOUTH RIVER NEAR WAYNESBORO, VA

LOCATION - Lat 38°03'27", long 78°54'30" referenced to North American Datum of 1927, Waynesboro City, VA, Hydrologic Unit 02070005, on left bank at the bridge on State Highway 664, 1.3 mi southwest of Waynesboro Post Office, and 2.4 mi downstream from Back Creek.

DRAINAGE AREA - 127 mi². of which 41 mi² are above flood-detention structures.

REVISIONS HISTORY - WSP 2103: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1952 to current year.

GAGE - Water-stage recorder. Datum of gage is 1,295.49 (±0.1) ft above NAVD 88.

COOPERATION - Records were provided by the Virginia Department of Environmental Quality - Water Division.

REMARKS - At a point 13.8 mi upstream from station, there is a diversion from Coles Run Reservoir, capacity 80,000,000 gal., by Augusta County Service Authority. There is discharge from a wastewater treatment plant upstream from station, originating from well fields. Flow from 41 mi², upstream from station, slightly regulated by flood-detention reservoirs (sixteen of which were built by Soil Conservation Service between 1954 and 1961). National Weather Service gage-height telemeter and Virginia Department of Emergency Services gage-height radio transmitter at station. Maximum discharge, 17,500 ft³/s, from rating curve extended above 4,200 ft³/s on basis of contracted-opening measurement at gage height 13.95 ft.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood in October 1942 reached a stage of 14.3 ft, from floodmarks, discharge, 14,500 ft³/s.

WATER-QUALITY RECORDS

PERIOD OF RECORD - June 2005 to September 2010.

PERIOD OF DAILY RECORD -
pH: June 2005 to July 2007.
SPECIFIC CONDUCTANCE: June 2005 to July 2007, September 2007 to September 2008.
TURBIDITY: June 2005 to July 2007.
WATER TEMPERATURE: June 2005 to July 2007, September 2007 to September 2010.

COOPERATION - Daily records were provided by the Virginia Department of Environmental Quality - Water Division.

INSTRUMENTATION - Electronic data logger with 15-minute recording interval. Water temperature monitor October 2008 to September 2010. Specific conductance and water temperature monitor September 2007 to September 2008. Water-quality monitor June 2005 to July 2007.

EXTREMES FOR PERIOD OF DAILY RECORD -
pH: Maximum, 9.4 standard units, Apr. 9, 10, 2007; minimum, 6.8 standard units, Sept. 1, Oct. 7, 2006.
SPECIFIC CONDUCTANCE: Maximum, 324 microseimens/cm, Aug. 29, 2008; minimum, 6 microseimens/cm, Sept. 1, 2006.
TURBIDITY: Maximum, 860 Formazin Nephelometric Units, Nov. 29, 2005; minimum, 0.0 Formazin Nephelometric Units, several days.
WATER TEMPERATURE: Maximum, 26.0°C, July 24, 2010; minimum, -0.1°C, Jan. 16, 17 2009.