USGS Water-Year Summary 2024
254536080172601 G 3570. USGS Observation Well near Miami, FL.
Biscayne aquifer
Biscayne Limestone Aquifer
LOCATION - Lat 25°45'38.6", long 80°17'23.3" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 NE 1/4 sec.12, T.54 S., R.40 E., Miami-Dade County, FL, Hydrologic Unit 03090202, at the northeast corner of SW 11th Street and SW 58th Avenue, 10 ft south of SW 11th Street and 22 ft west of SW 58th Avenue.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 18.7 ft. Upper casing diameter 5 in; top of first opening 13.7 ft, bottom of last opening 18.7 ft. Open hole 13.7 to 18.7 ft.
DATUM - Land-surface datum is 10.3 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of base, 13.28 ft above National Geodetic Vertical Datum of 1929, Sep. 2, 1994 to Jun. 20, 2016; Top of casing, 13.22 ft above National Geodetic Vertical Datum of 1929, Jun. 21, 2016 to present.
PERIOD OF RECORD - September 1994 to current year.
GAGE - Electronic data logger.
COOPERATION - Miami-Dade County.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 10.16 ft NGVD, Oct. 3, 2000; lowest, 1.48 ft NGVD, June 13, 2011.