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USGS Water-Year Summary 2025
182710066303700 207. CANTITO LA LUISA WELL, MANATI, PR
North Coast Limestone aquifer system (Puerto Rico)
Aymamon Limestone
Aymamon Limestone
LOCATION - Lat 18°27'09.2", long 66°30'38.0" referenced to North American Datum of 1927, Manati Municipio, PR, Hydrologic Unit 21010002, 1.92 mi (3.09 km) east of Barceloneta plaza, 1.35 mi (2.17 km) north of Central Monserrate, and 2.68 mi (4.31 km) northeast of José Cordero School.
GROUNDWATER RECORDS
DATUM - Land-surface datum is 46 ft above National Geodetic Vertical Datum of 1929. Measuring point: MARK ON EDGE OF CASING, 2.15 ft above land-surface datum, Nov. 27, 2006, to present. Prior to November 27, 2006, TOP OF VERTICAL STEEL PIPE., 2 ft (0.61 m) above land-surface datum. Prior August 1, 2001, TOP OF SHELTER FLOOR., 2.8 ft (0.85 m), above land-surface datum. Prior to November 20, 1992, HOLE ON SIDE OF CASING., 2 ft (0.61 m), above land-surface datum.
PERIOD OF RECORD - December 13, 1984 to August 1, 2001. January 2004 to April 23, 2007. November 13, 2012 to current year.
COOPERATION - Funding for site provided by the Puerto Rico Environmental Quality Board and the U.S. Geological Survey.
REMARKS - Observation well.
PERIOD OF DAILY RECORD - December 13, 1984 to April 23, 2007.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 36.4 ft (11.1 m), below land-surface datum, May 15, 1986; lowest water level recorded, 89.8 ft (27.4 m), below land-surface datum, October 5, 1985.
Highest water level measured, 36.09 ft (11.00 m), below land-surface datum, May 12, 1988; lowest water level measured, 50.18 ft (15.29 m), below land-surface datum, October 10, 1990.
