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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.
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USGS Water-Year Summary 2024
01636316 SPOUT RUN AT ROUTE 621 NEAR MILLWOOD, VA
LOCATION - Lat 39°04'01.29", long 78°00'13.51" referenced to North American Datum of 1983, Clarke County, VA, Hydrologic Unit 02070007, on left bank, 300 ft downstream from bridge on State Highway 621, 2 mi west of Millwood, 10 mi south of Berryville, and 0.2 mi upstream from mouth.
DRAINAGE AREA - 21.4 mi².
REVISIONS HISTORY - OFR 2006-1308: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2002 to current year.
GAGE - Water-stage recorder. Datum of gage is 429.57 ft above NAVD of 1988.
REMARKS - Maximum gage height, 4.86 ft on June 3, 2018, with an associate discharge of 880 ft³/s. Maximum peak flow not determined, between 741 ft³/s and 900 ft³/s, Dec. 11, 2003, gage height, between 4.51 ft and 4.85 ft.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2006 to October 2016.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: September 2006 to October 2016.
WATER TEMPERATURE: September 2006 to October 2016.
SPECIFIC CONDUCTANCE: September 2006 to October 2016.
WATER TEMPERATURE: September 2006 to October 2016.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum, 873 microsiemens/cm, Sept. 4, 2014, but may have been higher during periods of missing record; minimum, 78 microsiemens/cm, May 16, 2014, but may have been lower during periods of missing record.
WATER TEMPERATURE: Maximum, 22.7°C, July 21, 2011, but may have been higher during periods of missing record; minimum, 0.4°C, Jan. 17, 2009, but may have been lower during periods of missing record.
SPECIFIC CONDUCTANCE: Maximum, 873 microsiemens/cm, Sept. 4, 2014, but may have been higher during periods of missing record; minimum, 78 microsiemens/cm, May 16, 2014, but may have been lower during periods of missing record.
WATER TEMPERATURE: Maximum, 22.7°C, July 21, 2011, but may have been higher during periods of missing record; minimum, 0.4°C, Jan. 17, 2009, but may have been lower during periods of missing record.
