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USGS Water-Year Summary 2024
181217065453000 1203. PIEZOMETER CA-1, NAGUABO, PR
Other aquifers
Humacao-Naguabo Alluvial Aquifer
Humacao-Naguabo Alluvial Aquifer
LOCATION - Lat 18°12'17", long 65°45'30" referenced to North American Datum of 1927, Naguabo Municipio, PR, Hydrologic Unit 21010005, 0.01 mi (0.02 km) south of State Road 927 at km 8 and 0.62 mi (1.00 km) south of State Road 31.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 32 ft. Upper casing diameter 4 in; top of first opening 29 ft, bottom of last opening 32 ft.
DATUM - Land-surface datum is 16.4 ft above National Geodetic Vertical Datum of 1929. Measuring point: SHELTER FLOOR, 11.6 ft above National Geodetic Vertical Datum of 1929, May. 17, 1984 to Dec. 2, 2008; TOP OF SHELTER FLOOR, 11.4 ft above National Geodetic Vertical Datum of 1929, Dec. 1, 2008 to present.
PERIOD OF RECORD - One measurement in May 17, 1984. October 28, 1997 to current year.
GAGE - Water-stage recorder 15 minute interval, satellite telemetry at station.
COOPERATION - Funding for site provided by the Puerto Rico Department of Natural and Environmental Resources and the U.S. Geological Survey.
PERIOD OF DAILY RECORD - July 15, 2008 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, - 4.02 ft., above land-surface datum, November 9, 2011; lowest water level recorded, 10.39 ft., below land-surface datum, August 14, 2008.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 32 ft. Upper casing diameter 4 in; top of first opening 29 ft, bottom of last opening 32 ft.
DATUM - Land-surface datum is 16.4 ft above National Geodetic Vertical Datum of 1929. Measuring point: SHELTER FLOOR, 11.6 ft above National Geodetic Vertical Datum of 1929, May. 17, 1984 to Dec. 2, 2008; TOP OF SHELTER FLOOR, 11.4 ft above National Geodetic Vertical Datum of 1929, Dec. 1, 2008 to present.
PERIOD OF RECORD - September 15, 1983 to May 25, 2012.
