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USGS Water-Year Summary 2024
182639066385200 1056. SANTANA 1 WELL, ARECIBO, PR
North Coast Limestone aquifer system (Puerto Rico)
North Coast Limestone Aquifer, Upper
North Coast Limestone Aquifer, Upper
LOCATION - Lat 18°26'38.4", long 66°38'53.4" referenced to North American Datum of 1927, Arecibo Municipio, PR, Hydrologic Unit 21010002, 0.19 mi (0.31 km) south of Highway 2, 1.14 mi (1.83 km) west of intersection of Highway 2 with José de Diego Expressway (PR-22), and 1.18 mi (1.9 km) east southeast of Federico Degetau School.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 220 ft. Upper casing diameter 12 in; top of first opening 175 ft, bottom of last opening 220 ft.
DATUM - Land-surface datum is 105 ft above National Geodetic Vertical Datum of 1929. Measuring point: =LOWER POINT IN SLANTED ACCES PIPE, 0.5 FT (0.15 M), ABOVE LAND-SURFACE DATUM, 0.50 ft above land-surface datum, Nov. 29, 2006 to present; SHELTER FLOOR, 4.13 ft above land-surface datum, Apr. 13, 2011 to present.
PERIOD OF RECORD - Two measurements in December 12, 1984. January 28, 1986 to November 25, 1986. August 10, 1995 to current year.
GAGE - Water-stage recorder 60 minute interval, satellite telemetry at station.
COOPERATION - Funding for site provided by the Puerto Rico Department of Natural and Environmental Resources and the US Geological Survey.
PERIOD OF DAILY RECORD - February 24, 2010 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 96.31 ft., below land-surface datum, September 23, 2017; lowest water level recorded, 102.11 ft., below land-surface datum, March 23, 2016.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 220 ft. Upper casing diameter 12 in; top of first opening 175 ft, bottom of last opening 220 ft.
DATUM - Land-surface datum is 105 ft above National Geodetic Vertical Datum of 1929. Measuring point: =LOWER POINT IN SLANTED ACCES PIPE, 0.5 FT (0.15 M), ABOVE LAND-SURFACE DATUM, 0.50 ft above land-surface datum, Nov. 29, 2006 to present; SHELTER FLOOR, 4.13 ft above land-surface datum, Apr. 13, 2011 to present.
PERIOD OF RECORD - March 11 1964 to June 30, 1982.
