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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2024
175719066085500 1230. PHILPET 13 WELL, GUAYAMA, PR
South Coast aquifer (Puerto Rico)
South Coastal Plain Alluvial Aquifer
South Coastal Plain Alluvial Aquifer
LOCATION - Lat 17°57'20", long 66°09'02" referenced to North American Datum of 1927, Guayama Municipio, PR, Hydrologic Unit 21010004, 1 mi (1.61 km) east of the intersection of Highway 3 with State Road 707, 0.28 mi (0.45 km) south of Highway 3, and 0.25 mi (0.40 km) northwest of the Phillip Petroleum oil refinery.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth undefined. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 33 ft above National Geodetic Vertical Datum of 1929. Measuring point: TOP OF 4-IN CASING., 2.83 ft above land-surface datum, Sep. 18, 2002, to present.
PERIOD OF RECORD - September 24, 1991 to current.
GAGE - Monthly measurement with chalked tape.
COOPERATION - Funding for site provided by the Puerto Rico Environmental Quality Board and the U.S. Geological Survey.
REMARKS - Observation well used for remediation efforts in a Superfund site.
PERIOD OF DAILY RECORD - September 25, 1991 to March 12, 2002.
EXTREMES FOR PERIOD OF RECORD - Highest water-level measured, 9.00 ft., below land-surface datum September 7, 2011; lowest water-level measured, 30.94 ft., below land-surface datum, September 16, 1999.
