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USGS Water-Year Summary 2024
254152080282101 G -3553. USGS Observation Well near Miami, FL.
Biscayne aquifer
Biscayne Limestone Aquifer
Biscayne Limestone Aquifer
LOCATION - Lat 25°41'53.3", long 80°28'21.6" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NW 1/4 sec.31, T.54 S., R.39 E., Miami-Dade County, FL, Hydrologic Unit 03090202, on SW 72nd Street (Sunset Drive) west of SW 172nd Avenue.
REVISIONS HISTORY - Groundwater levels above NGVD 1929, for the period May 15, 2017, at 09:00 to June 6, 2017, at 12:00 were revised on Nov. 21, 2017, previously provided on nwisweb was revised based a drift correction of -0.05 ft. Daily values are available online at http://waterdata.usgs.gov/nwis.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 19.9 ft. Upper casing diameter 5 in; top of first opening 14.9 ft, bottom of last opening 19.9 ft.
DATUM - Land-surface datum is 6.20 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of shelf, 8.83 ft above National Geodetic Vertical Datum of 1929, Feb. 1, 1994 to May 9, 2016; top of flange, 8.75 ft above National Geodetic Vertical Datum of 1929, May 10, 2016 to May 10, 2016; Top of shelf, 8.81 ft above National Geodetic Vertical Datum of 1929, May 10, 2016 to present.
PERIOD OF RECORD - February 1994 to current year.
GAGE - Satellite data collection platform.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 7.64 ft NGVD, Oct. 17, 18, 1999; lowest, 1.75 ft NGVD, June 12, 2011.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - February 1994 to September 2012. Discontinued. See REMARKS.
INSTRUMENTATION - Satellite data collection platform with water level recorder.
EXTREMES FOR PERIOD OF RECORD - Maximum daily total, 3.93 in., Sept. 29, 2010. Discontinued. See REMARKS.
REMARKS - Precipitation data was collected from February 1994 to September 2012. The data is available in the files of the U.S. Geological Survey.
