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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2025
270609080163401 M -1261. USGS Observation Well near Stuart, FL.
Surficial aquifer system
Surficial Aquifer System
Surficial Aquifer System
LOCATION - Lat 27°06'10.3", long 80°16'36.3" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 SE 1/4 sec.06, T.39 S., R.41 E., Martin County, FL, Hydrologic Unit 03090202, on SW Locks Road, approximately 0.5 mi west of State Road 76 and 1.1 mi west of U.S. Interstate 95.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 20 ft. Upper casing diameter 6 in; top of first opening 16.8 ft, bottom of last opening 19.8 ft.
DATUM - Land-surface datum is 14.92 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 18.47 ft above National Geodetic Vertical Datum of 1929, Feb. 15, 1989 to Jan. 29, 1993; Top of base, 18.54 ft above National Geodetic Vertical Datum of 1929, Jan. 28, 1993 to present. Land-surface datum is 13.50 feet above North American Vertical Datum of 1988.
PERIOD OF RECORD - May 1989 to April 1992 (semiannual), January 1993 to current year.
GAGE - Satellite data collection platform.
COOPERATION - South Florida Water Management District.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 14.62 ft NGVD, Oct. 18, 1995; lowest, 5.30 ft NGVD, June 1, 2, 2007.
