USGS Water-Year Summary 2024
253335080213501 G -3967
Biscayne aquifer
Biscayne Limestone Aquifer
LOCATION - Lat 25°33'35.41", long 80°21'35.02" referenced to North American Datum of 1983, Miami-Dade County, FL, Hydrologic Unit 03090202, 0.01 mi west of Black Creek Canal just north of Old Cutler Road, approximately 0.21 mi east of SR 821, approximately 2.4 mi upstream of gate structure S-21.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 46 ft. Upper casing diameter 2 in; top of first opening 36 ft, bottom of last opening 46 ft.
DATUM - Land-surface datum is 7.04 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 10.82 ft above National Geodetic Vertical Datum of 1929, Oct. 1, 2014 to Aug. 4, 2016; Top of casing, 10.81 ft above National Geodetic Vertical Datum of 1929, Aug. 4, 2016 to present. Land-surface datum is 5.51 ft (Revised), above North American Vertical Datum of 1988.
PERIOD OF RECORD - February 2015 to current year.
GAGE - Satellite data collection platform with pressure transducer with specific conductivity and water temperature probe.
COOPERATION - Miami-Dade Water & Sewer Department (WASD).
EXTREMES FOR PERIOD OF RECORD - Highest water level, 6.84 ft NGVD, Sept. 10, 2017; lowest, 1.19 ft NGVD, Nov. 30, 2020.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 46 ft. Upper casing diameter 2 in; top of first opening 36 ft, bottom of last opening 46 ft.
DATUM - Land-surface datum is 7.04 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 10.82 ft above National Geodetic Vertical Datum of 1929, Oct. 1, 2014 to Aug. 4, 2016; Top of casing, 10.81 ft above National Geodetic Vertical Datum of 1929, Aug. 4, 2016 to present. Land-surface datum is 5.51 ft (Revised), above North American Vertical Datum of 1988.
PERIOD OF RECORD - February 2015 to current year.
INSTRUMENTATION - Satellite data collection platform with specific conductivity and water temperature probe.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum recorded 1200 µS/cm @25°C, Dec. 23, 2019; minimum recorded, 476 µS/cm @ 25°C May 28, 2017.
WATER TEMPERATURE: Maximum recorded, 26.0°C, multiple days during December 2019, January 2020 and February 2020, minimum recorded, 24.4°C, multiple days each water year.
SALINITY: Maximum recorded, 0.6 ppt., Dec. 23, 2019; minimum recorded, 0.2 ppt., multiple days each water year.