USGS Water-Year Summary for Site 264005080233501

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	Available Parameters
	62610 Elevation, GW, NGVD29(Max.)
	62611 Elevation, GW, NAVD88(Max.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

264005080233501 PB 99. USGS Observation Well in West Palm Beach, FL.

Surficial aquifer system
Surficial Aquifer System

LOCATION - Lat 26°40'15.1", long 80°03'34.5" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 sec.04, T.44 S., R.43 E., Palm Beach County, FL, Hydrologic Unit 03090202, at Garden Avenue, 19 ft north of Bradley Street and 0.2 mi west of U.S. Highway 1 in West Palm Beach.

REVISIONS HISTORY - The data for the 2007 water year for the period of September 24-30 was revised due to new measuring point. The revised data is available in the files of the U.S. Geological Survey. Daily values are available online at http://waterdata.usgs.gov/nwis.

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 20 ft. Upper casing diameter 6 in; top of first opening 14.8 ft, bottom of last opening 18.3 ft.

DATUM - Land-surface datum is 14.8 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 16.93 ft above National Geodetic Vertical Datum of 1929, Jul. 15, 1948 to Jan. 1, 1978; Top of casing, 16.63 ft above National Geodetic Vertical Datum of 1929, Oct. 1, 1977 to Oct. 1, 1993; Top of base, 16.69 ft above National Geodetic Vertical Datum of 1929, Oct. 1, 1993 to Mar. 21, 2008; Top of base, 16.68 ft above National Geodetic Vertical Datum of 1929, Mar. 20, 2008 to Dec. 19, 2019; Top of base, 16.69 ft above National Geodetic Vertical Datum of 1929, Dec. 19, 2019 to present. Land-surface datum is 13.23 feet above North American Vertical Datum of 1988.

PERIOD OF RECORD - July 1948 to 1977 (original well), 1977 to November 2020. Discontinued.

GAGE - Electronic data logger.

COOPERATION - South Florida Water Management District.

REMARKS - In 1977, PB-99 replaced a well of similar depth, 55 ft north of current location. Both wells are published under the designation PB-99. Records of water levels prior to January 1957 are available in files of the U.S. Geological Survey.

EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 12.28 ft NGVD, Oct. 16, 1999 (REVISED); lowest measured, 4.65 ft NGVD, Oct. 28, 1987.