Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 02101726

Click to hide Water-Year Summary instructions and information
  • 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.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Med.,Max.,Min.)  

Water year 2019: 2019-10-01 to 2020-09-30
 

Print this page
USGS Water-Year Summary 2019
02101726 ROCKY RIVER AT US HIGHWAY 64 NEAR SILER CITY, NC
LOCATION - Lat 35°44'06", long 79°25'24" referenced to North American Datum of 1927, Chatham County, NC, Hydrologic Unit 03030003, on U.S. Highway 64, 1.6 mi east of Siler City.
DRAINAGE AREA - 68.7 mi².
REVISIONS HISTORY - The maximum discharge for the water years 2010 and 2011 have been revised to 3,980 ft³/s, February 5, 2010, gage height, 15.20 ft; and 550 ft³/s, March 30, 2011, gage height, 5.75 ft, superceding figures published in water year reports 2010 and 2011.
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 2009 to current year.
GAGE - Water-stage recorder. Datum of gage is 482.9 above North American Vertical Datum of 1988. Satellite telemetry at streamgage.
REMARKS -

For Water Year 2014: Records good.
For Water Year 2015: Records fair.
For Water Year 2016: Records Poor.

For Water Year 2017: Records good.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge 10,000 ft³/s, December 30, 2015; Maximum gage height 19.52 ft, December 30, 2015.
WATER-QUALITY RECORDS
PERIOD OF RECORD - January 2009 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: January 2009 to current year. pH: January 2009 to current year. WATER TEMPERATURE: January 2009 to current year. DISSOLVED OXYGEN: January 2009 to current year. DISSOLVED OXYGEN, PERCENT SATURATION: January 2009 to September 2014.
INSTRUMENTATION - Water-quality monitor with satellite telemetry.
REMARKS - The dissolved oxygen percent saturation is computed using a barometric pressure of 760 mm of Hg.
EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum recorded, 178 microsiemens, January 23, 2018; minimum recorded, 22 microsiemens, April 21, 2014.
pH: Maximum recorded, 7.6 standard units, July 4, 5, 29, December 6, 2011, September 20, 2012, May 24, 25, June8, August 9, 2016; minimum recorded, 5.8 standard units, June 20, 21, 22, 24, 25, 2010.
WATER TEMPERATURE: Maximum recorded, 32.1°C, August 18, 2017; minimum recorded, 1.3°C, February 14, 2014.
DISSOLVED OXYGEN: Maximum recorded, 14.1 mg/L, March 3, 2009; minimum recorded, 0.1, August 14, 2010.
DISSOLVED OXYGEN, PERCENT SATURATION: Maximum recorded, 119%, June 19, 2009, October 1, 2010; minimum recorded, 1%, August 14, 2010.