USGS Water-Year Summary 2024
175734066233300 146. ALOMAR OESTE WELL, SANTA ISABEL, PR
South Coast aquifer (Puerto Rico)
South Coastal Plain Alluvial Aquifer
LOCATION - Lat 17°57'35.2", long 66°23'33.17" referenced to North American Datum of 1927, Santa Isabel Municipio, PR, Hydrologic Unit 21010004, 1 mi (1.61 km) southeast of Santa Isabel plaza, 0.5 mi (0.80 km) south of airport, 1.1 mi (1.77 km) northeast of dock at Santa Isabel.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 62.63 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 17.4 ft above National Geodetic Vertical Datum of 1929. Measuring point: HOLE ON SIDE OF STEEL CASING, 15.21 ft above National Geodetic Vertical Datum of 1929, Jun. 3, 1981 to Mar. 24, 2010; TOP OF OPEN HOLE INSIDE STATION SHELTER, 14.44 ft above National Geodetic Vertical Datum of 1929, Mar. 24, 2010 to present.
PERIOD OF RECORD - June 3, 1981 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 - September 27, 1991 to September 30, 2010. October 2011 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water-level recorded, 8.85 ft., below land-surface datum, January 06, 1992; lowest water-level recorded, 19.75 ft., below land-surface datum, December 17, 1997.