USGS Water-Year Summary 2024
255154080371300 L-67A CANAL AT S-152 NEAR COOPERTOWN, FL
LOCATION - Lat 25°51'54.54", long 80°37'14.04" referenced to North American Datum of 1983, Miami-Dade County, FL, Hydrologic Unit 03090202, in the Levee 67A Canal, 8.1 mi north from US Hwy 41 and 18.4 mi south from US Hwy 27.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 2013 to current year.
GAGE - Satellite data collection platform with water-stage shaft encoder recorders in L-67A canal near water control structure S-152. Acoustic Doppler velocity meters installed in the east end of culverts 2 and 6 as counted from the north. Datum of gage is North American Vertical Datum of 1988 and 1.52 ft above National Geodetic Vertical Datum of 1929.
COOPERATION - U.S. Army Corps of Engineers and South Florida Water Management District.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 11.07 ft NAVD 88 Nov. 17, 18, 2020; minimum 5.47 ft NAVD 88 May 14, 2020.
WATER-QUALITY RECORDS
PERIOD OF RECORD - November 2013 to February 2016. Discontinued.
COOPERATION - U.S. Army Corps of Engineers.
INSTRUMENTATION - Water-quality monitor in the L-67A canal near S-152.
EXTREMES FOR PERIOD OF RECORD - SALINITY (Headwater):Maximum recorded, 0.5 ppt June 14, 2014; minimum recorded, 0.2 ppt February 6, 2014.
SALINITY (Tail water): Maximum recorded, 0.4 ppt multiple days ; minimum recorded,0.2 ppt December 29, 2013.
SPECIFIC CONDUCTANCE (Headwater): Maximum recorded, 956(uS/cm @25°C) June 14, 2014; minimum recorded, 383 (uS/cm @25°C) August 26, 2015.
SPECIFIC CONDUCTANCE (Tail water): Maximum recorded, 803 (uS/cm @25°C) March 20, 2014; minimum recorded, 499 (uS/cm @25°C) December 29, 2014.
WATER TEMPERATURE (Headwater): Maximum recorded, 33.4°C July 13, 23, 2015; minimum recorded, 16.6° January 25, 2014.
WATER TEMPERATURE (Tail Water): Maximum recorded, 25.0°C November 12, 24, 2013 ; minimum recorded, 15.0 °C January 23, 2014.