USGS Water-Year Summary 2024
254213080281501 G -3556. USGS Observation Well near Miami, FL.
Biscayne aquifer
Biscayne Limestone Aquifer
LOCATION - Lat 25°42'13.7", long 80°28'15.6" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 SW 1/4 sec.30, T.54 S., R.39 E., Miami-Dade County, FL, Hydrologic Unit 03090202, east of SW 172nd Avenue and approximately 0.4 mi north of SW 72nd Street (Sunset Drive).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 19.1 ft. Upper casing diameter 5 in; top of first opening 14.1 ft, bottom of last opening 19.1 ft.
DATUM - Land-surface datum is 6.80 ft above National Geodetic Vertical Datum of 1929. Measuring point: top of shelf, 7.86 ft above National Geodetic Vertical Datum of 1929, Aug. 5, 1994 to present.
PERIOD OF RECORD - August 1994 to current year.
GAGE - Satellite data collection platform with water-level sensor.
COOPERATION - Miami-Dade County.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 7.34 ft NGVD, Oct. 16-22, 1999; lowest, 1.75 ft NGVD, June 12, 2011.