USGS Water-Year Summary 2024
253044080555901 MO-211. USGS Observation Well in Everglades, FL
Biscayne aquifer
Biscayne Limestone Aquifer
LOCATION - Lat 25°30'43.65", long 80°55'59.35" referenced to North American Datum of 1983, Monroe County, FL, Hydrologic Unit 03090202, approximately 21 mi south of Tamiami Trail/Highway 41, west of the Miami-Dade County line.
REVISIONS HISTORY - WDR-US-2010, site 253044080555901; 2009 water year extreme for period of record revised for highest and lowest daily maximum water level.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 15 ft. Upper casing diameter 2 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is undefined. Measuring point: Top of 2" PVC casing marked with an etch, distance above land-surface datum not defined, Nov. 2005 to present.
PERIOD OF RECORD - November 2005 to September 2011. Discontinued.
GAGE - Satellite data collection platform with pressure transducer, conductivity, and water temperature probe.
EXTREMES FOR PERIOD OF RECORD - WATER-LEVEL ELEVATION: Highest daily maximum water level, 1.39 ft NAVD, Sept. 10, 2008; lowest, 1.32 ft below NAVD, Apr. 5, 2008.
SALINITY: Maximum recorded, 0.9 ppt July 26 to August 6, 2010; minimum recorded, 0.6 ppt multiple days during 2009, 2010, and 2011 water years.
SPECIFIC CONDUCTANCE: Maximum recorded, 1,850 uS/cm @25°C, July 31, August 1, 2010; lowest, 1,240 uS/cm @25°C, May 24, 2010.
WATER TEMPERATURE: Maximum recorded, 27.5°C, Oct. 3, 2006; lowest, 20.1°C, January 11-13, 2010.