USGS Water-Year Summary 2021
254754080344300 SHARK RIVER SLOUGH NO. 1 IN CONSERVATION AREA 3B NEAR COOPERTOWN, FL
LOCATION - Lat 25°47'51.2", long 80°34'43.9" referenced to North American Datum of 1983, in SW 1/4 sec.30, T.53 S., R.38 E., Miami-Dade County, FL, Hydrologic Unit 03090202, 2.8 mi northwest of Coopertown on east-west ditch in Conservation Area 3B.
DRAINAGE AREA - Indeterminate.
PERIOD OF RECORD - October 1976 to September 1980, October 1982 to current year. Prior to October 1977, published as "Shark Valley Slough No. 1 in Conservation Area 3B near Coopertown."
GAGE - Satellite data collection platform with water-stage shaft encoder. Datum of gage is National Geodetic Vertical Datum of 1929 and 1.55 ft below the North American Vertical Datum of 1988 (NAVD 88).
COOPERATION - South Florida Water Management District.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 9.76 ft Oct. 15, 1999; minimum, 3.95 ft May 23, 1990.