USGS Water-Year Summary 2024
254442080305201 G -3576. USGS Observation Well near Miami, FL.
Biscayne aquifer
Biscayne Limestone Aquifer
LOCATION - Lat 25°44'45.0", long 80°30'51.3" referenced to North American Datum of 1983, in NE 1/4 sec.13, T.54 S., R.38 E., Miami-Dade County, FL, Hydrologic Unit 03090202, 1.1 mi south of U.S. Highway 41 (Tamiami Trail) and 1.03 mi west of levee on west side of L-31N Canal.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 9.64 ft. Upper casing diameter 4 in; top of first opening 9.64 ft, bottom of last opening 9.64 ft.
DATUM - Land-surface datum is 6 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of base, 9.51 ft above National Geodetic Vertical Datum of 1929, Mar. 9, 1995 to present. Land-surface datum is 4.44 ft above North American Vertical Datum of 1988.
PERIOD OF RECORD - March 1995 to current year.
GAGE - Satellite data collection platform.
COOPERATION - Miami-Dade County, U.S. Army Corps of Engineers, Everglades National Park.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 8.66 ft NGVD, Nov. 12, 2020; lowest, 2.64 ft NGVD, June 11, 12, 2011.