USGS Water-Year Summary 2023
175829066232200 87. ALOMAR 1 WELL, SANTA ISABEL, PR
South Coast aquifer (Puerto Rico)
South Coastal Plain Alluvial Aquifer
LOCATION - Lat 17°58'29", long 66°23'22" referenced to North American Datum of 1927, Santa Isabel Municipio, PR, Hydrologic Unit 21010004, 1.1 mi (1.77 km) northeast of Santa Isabel plaza, 3.69 mi (5.94 km) southeast of Playita Cortada School, and 1.07 mi (1.72 km) southeast of Estacio'n Experimental Santa Isabel; Name: Alomar 1 Well, Santa Isabel, PR.
GROUNDWATER RECORDS
DATUM - Land-surface datum is 39.4 ft above National Geodetic Vertical Datum of 1929. Measuring point: BELOW SHELTER, OPEN SIDE DOOR, MEASURE FROM LOWER HORIZONTAL PART OF OPENING., 2.50 ft above land-surface datum, Jan. 28, 2003, to present.
PERIOD OF RECORD - November 1, 1960 to current year.
GAGE - Water-stage recorder 60 minute interval.
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 - October 1, 1989 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 26.97 ft., below land-surface datum, December 18, 1989; lowest water level recorded, 48.64 ft., below land-surface datum, March 15, 2003.
WATER-QUALITY RECORDS
DATUM - Land-surface datum is 39.4 ft above National Geodetic Vertical Datum of 1929. Measuring point: BELOW SHELTER, OPEN SIDE DOOR, MEASURE FROM LOWER HORIZONTAL PART OF OPENING., 2.50 ft above land-surface datum, Jan. 28, 2003, to present.
PERIOD OF RECORD - November 1, 1960 to Aprl 16, 2008.