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Water-Year Summary for Site 321603080432202

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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.
  • 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.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
72019 Water level, depth LSD(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
321603080432202 BFT-1810
Floridan aquifer system
Floridan Aquifer System
LOCATION - Lat 32°16'03", long 80°43'22" referenced to North American Datum of 1927, Beaufort County, SC, Hydrologic Unit 03050208, at Dolphin Head Recreation Park, on Hilton Head Plantation on Hilton Head Island.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 202 ft. Upper casing diameter 6 in; top of first opening 105 ft, bottom of last opening 202 ft.
DATUM - Land-surface datum is 14 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 0.80 ft above land-surface datum, Sep. 11, 1986 to present; Altitude of top of casing, distance above land-surface datum not defined, Oct. 4, 2016 to present.
PERIOD OF RECORD - September 1986 to current year.
GAGE - Data collection platform--60 minute collection interval.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 8.81 ft below land-surface datum, Oct. 8, 2016; lowest water level, 19.31 ft below land-surface datum, July 16, 1993.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 202 ft. Upper casing diameter 6 in; top of first opening 105 ft, bottom of last opening 202 ft.
DATUM - Land-surface datum is 14 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 0.80 ft above land-surface datum, Sep. 11, 1986 to present; Altitude of top of casing, distance above land-surface datum not defined, Oct. 4, 2016 to present.
PERIOD OF RECORD - Water years 1987 to current year.
PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE AT 170 FEET: February 1987 to September 1994 (discontinued).
SPECIFIC CONDUCTANCE AT 190 FEET: February 1987 to September 1994 (discontinued).
SPECIFIC CONDUCTANCE AT 200 FEET: February 1987 to current year.

WATER TEMPERATURE AT 200 FEET: February 1987 to current year.

INSTRUMENTATION - Water-quality multiprobe and data collection platform.
REMARKS -
For the 2014 water year, specific conductance records rated excellent.
For the 2015 water year, specific conductance records rated excellent.
For the 2016 water year, specific conductance records rated excellent.
EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE AT 170 FEET: Maximum, 920 microsiemens, Apr. 14, 1988; minimum, 330 microsiemens, Aug. 9, 1990.
SPECIFIC CONDUCTANCE AT 190 FEET: Maximum, 5,720 microsiemens, June 25, 1994; minimum, 440 microsiemens, Dec. 11, 1987.
SPECIFIC CONDUCTANCE AT 200 FEET: Maximum, 21,600 microsiemens, June 4, 2019 and other days; minimum, 1,590 microsiemens, Feb. 27, 1987.

WATER TEMPERATURE AT 200 FEET: Maximum 21.3 C many days throughout period of record; Minimum 21.2 C many days throughout period of record.