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Water-Year Summary for Site 254943080121501

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Available Parameters
62610 Elevation, GW, NGVD29(Max.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
254943080121501 F - 45. USGS Observation Well in Miami, FL.
Biscayne aquifer
Biscayne Limestone Aquifer
LOCATION - Lat 25°49'43.82", long 80°12'14.96" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 sec.13, T.53 S., R.41 E., Miami-Dade County, FL, Hydrologic Unit 03090202,  
REVISIONS HISTORY - WDR FL-85-2B:1984.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 84.9 ft. Upper casing diameter 5 in; top of first opening 84 ft, bottom of last opening 84.9 ft.
DATUM - Land-surface datum is 9.80 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of base, 11.97 ft above National Geodetic Vertical Datum of 1929, Dec. 2, 1959 to Aug. 4, 2000; Top of base, 12.24 ft above National Geodetic Vertical Datum of 1929, Aug. 4, 2000 to Dec. 27, 2017; New shelter installed. MP is Black mark on top of base on north side of casing, 12.22 ft above National Geodetic Vertical Datum of 1929, Dec. 27, 2017 to present.
PERIOD OF RECORD - September 1939 to current year.
GAGE - Electronic data logger.
REMARKS - The station was reconstructed August 4, 2000. Well is also used for salinity monitoring. Water Quality records are available in the files of the U.S. Geological Survey. Records of water levels prior to October 1973 are available in the files of the U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 8.00 ft NGVD, Oct. 4, 2000; lowest measured, 1.13 ft NGVD, Apr. 29, 1971.