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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
261741081235401 C 503.
Surficial aquifer system
Nonartesian Sand Aquifer
Nonartesian Sand Aquifer
LOCATION - Lat 26°17'42", long 81°23'43" referenced to North American Datum of 1927, in sec.14, T.48 S., R.29 E., Collier County, FL, Hydrologic Unit 03090204, 25 ft south of County Road 858, 3.4 mi west of State Road 29 and 4.0 mi northwest of Sunniland.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth undefined. Upper casing diameter 6 in; top of first opening 8 ft, bottom of last opening 20.4 ft.
DATUM - Land-surface datum is 19.2 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of flange, 22.3 ft above National Geodetic Vertical Datum of 1929, Jan. 1972 to present. See REMARKS.
PERIOD OF RECORD - January 1972 to October 1984 (daily), October 1984 to September 1996 (monthly), October 1996 to November 2018 (continuous), December 2018 to current.
GAGE - Monthly measurement with chalked tape.
REMARKS - Records of water levels prior to October 1973 are available in files of the U.S. Geological Survey. The figures of water level as elevation, in feet NGVD, between October 1979 and September 1982 are in error. Corrected records are in files of the U.S. Geological Survey. See DATUM. Prior to October 1975, station record was reported under well number 261744081235401.
EXTREMES FOR PERIOD OF RECORD - Highest daily maximum water level, 20.38 ft NGVD, Sept. 10, 2017; lowest, 12.32 ft NGVD, May 11, 2009.
