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Water-Year Summary for Site 02110777

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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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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
02110777 AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC
LOCATION - Lat 33°51'05", long 78°39'22" referenced to North American Datum of 1927, Horry County, SC, Hydrologic Unit 03040207, on bridge fender near center of channel under S.C. Hwy 9 bridge of the Atlantic Intracoastal Waterway, 0.5 mi. southeast of Nixons Crossroads, 5.2 mi. south of the junction of Little River Inlet and at Mile 347.3
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1989 to current year.
GAGE - Data collection platform. Datum of gage is 12.70 ft below NAVD of 1988. Prior to August 26, 2003, at site 250 ft upstream at same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 19.39 ft. Aug. 3, 2020 as a result of Hurricane Isaias; minimum gage height, 8.42 ft, Jan. 1, 1990.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1986 to current year.
PERIOD OF DAILY RECORD - 
SPECIFIC CONDUCTANCE: April 1986 to current year.
pH: April 1986 to September 1989 (discontinued).
WATER TEMPERATURE: April 1986 to current year.
DISSOLVED OXYGEN: April 1986 to current year.
INSTRUMENTATION - Water-quality multiprobe and data collection platform.
REMARKS - Water Quality for Salinity Intrusion Network in coordination with Development of a Coastal Drought Index Using Salinity Data
EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum, 59,100 microsiemens/cm, May 4, 1995; minimum, 50 microsiemens/cm, Feb. 10-12, 1996.

pH: Maximum, 8.5 standard units, Nov. 3, 1987; minimum, 5.0 standard units, Nov. 22, 1987.

WATER TEMPERATURE: Maximum, 34.0°C, Aug. 1, 1999; minimum, 2.0°C, Dec. 23-26, 28, 1989.

DISSOLVED OXYGEN: Maximum, 14.6 mg/L, Jan. 28, 1988; minimum, 0.1 mg/L, first occurrence Sep 16, 1998.