USGS Water-Year Summary 2024
273109080270301 STL- 264. USGS Observation Well near Fort Pierce, FL.
Surficial aquifer system
Surficial Aquifer System
LOCATION - Lat 27°31'09.3", long 80°27'02.8" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 SE 1/4 sec.17, T.34 S., R.39 E., St. Lucie County, FL, Hydrologic Unit 03080203, on west side of ditch and culvert inside an orange grove on Indrio Road, 0.4 mi southeast of entry gate located 0.3 mi west of U.S. Interstate 95, 6 mi west of U.S. Highway 1.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 90 ft. Upper casing diameter 6 in; top of first opening 60 ft, bottom of last opening 90 ft.
DATUM - Land-surface datum is 21.9 ft above National Geodetic Vertical Datum of 1929. Measuring point: top of base, 25.16 ft above National Geodetic Vertical Datum of 1929, Jun. 30, 2010 to Jan. 11, 2016; top of casing, 21.13 ft above National Geodetic Vertical Datum of 1929, Apr. 28, 2016 to present. Land-surface datum is 20.4 feet above North American Vertical Datum of 1988.
PERIOD OF RECORD - May 1988 to November 1992 (semiannual), January 1993 to March 2021. Discontinued.
GAGE - Electronic data logger.
COOPERATION - South Florida Water Management District.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 21.79 ft NGVD, Sept. 5, 2004; lowest, 17.59 ft NGVD, July 2, 2007.