USGS Water-Year Summary for Site 255154080371300

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	Available Parameters
	00010 Temperature, water(Max.,Min.)
	00060 Discharge(Mean)
	00065 Gage height(Mean) [NAVD88]
	00095 Specific cond at 25C(Max.,Min.)
	00480 Salinity(Max.,Min.)
	63158 Stream level, NGVD29(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

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.

REMARKS - Data collection in support of the CERP DPM project. Discharge measurements only made during periods of gate openings, and discharge reported as zero during gate closures.

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.

REMARKS - During periods of missing record, actual values may be higher or lower than the listed extremes. The elevation of the water quality monitor at 5.24 ft NAVD 1988.

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.