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USGS Water-Year Summary 2024
02287497 N.W. WELLFIELD CANAL NR DADE BROWARD LEVEE, NR PENNSUCO, FL
LOCATION - Lat 25°53'28", long 80°25'13" referenced to North American Datum of 1927, in NE 1/4 sec.27, T.52 S., R.39 E., Miami-Dade County, FL, Hydrologic Unit 03090202, (Pennsuco quadrangle), 0.7 mi north of Pennsuco Canal, 1.9 mi east of Dade Broward Levee, 2.0 mi southwest of the Miami Canal, 4 mi east of Levee 30 Canal, and 2.5 mi west of Pennsuco.
DRAINAGE AREA - Indeterminate.
REVISIONS HISTORY -
Minimum extreme for auxiliary gage downstream for the Period of record, has been revised. 1.84 ft NGVD, June 11, 2011, supersede those published in WDR-US-2011, 2012, 2013, site 02287497.
Revised figures for auxiliary gage downstream, in ft NGVD, for the period of Oct. 17, 2012 to
Apr. 5, 2013, superseding those published in WDR-US-2013, site 02287497. Instantaneous and daily
data are available online at http://waterdata.usgs.gov/nwis.
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 1991 to current year.
Auxillary downstream stage: February 2003 to April 2016.
GAGE - Satellite data collection platform with water-stage shaft encoder and acoustic Doppler velocity meter. Electronic data logger at auxiliary gage downstream of NW 137th Avenue gated culverts began February 24, 2003. Datum of gage is National Geodetic Vertical Datum of 1929 (DERM bench mark). Prior to February 21, 2003, site was 1.0 mi upstream at datum 0.10 ft lower. Prior to October 9, 2002, acoustic velocity meter. Acoustic Doppler velocity meter installed February 21, 2003.
COOPERATION - Miami-Dade County.
REMARKS - Records fair except for flows below 40 cfs daily discharges, which are poor. Estimated negative flows. Flow is the sum of regulation from vertical control structure DERM No. 1, NW 137th Avenue gated culverts and from levee seepage. Flow is positive to the east. Discharge computed from relations between stage vs. area and index velocity vs. mean channel velocity.
EXTREMES FOR PERIOD OF RECORD - GAGE-HEIGHT: Maximum gage height, 7.07 ft Oct. 15-17, 1999; minimum, 1.39 ft May 28, 1992.
DOWNSTREAM AUXILIARY GAGE: Maximum gage height, 5.91 ft Aug. 27, 2012; minimum, 1.84 ft (Revised) June 11, 2011.
