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Water-Year Summary for Site 182531066075900

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
72019 Water level, depth LSD(Obs.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
182531066075900 652. PIEZOMETER BLDG 652 GUAYNABO, PR
North Coast Limestone aquifer system (Puerto Rico)
North Coast Limestone Aquifer, Upper
LOCATION - Lat 18°25'31.00", long 66°06'59.72" referenced to North American Datum of 1927, Guaynabo Municipio, PR, Hydrologic Unit 21010005, 0.07 mi (0.11 km) north of José de Diego Expressway (PR-22), 0.32 mi (0.32 km) southwest of the intersection of State Road 165 with State Road 28, and 1.4 mi (2.25 km) south of the Cataño ferry building.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 192.5 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 12.46 ft above National Geodetic Vertical Datum of 1929. Measuring point: SHELTER FLOOR ON TOP OF 4-IN CASING, 9.19 ft above National Geodetic Vertical Datum of 1929, Feb. 29, 1984 to Sep. 19, 2008; MEASURING POINT CORRECTED TO LAND SURFACE INSTEAD OF CONCRETE BASE, 9.01 ft above National Geodetic Vertical Datum of 1929, Sep. 19, 2008 to present.
PERIOD OF RECORD - October 1st, 2007 to current year.
GAGE - Water-stage recorder 15 minute interval. Bi-monthly measurement with chalked tape.
COOPERATION - Funding for site provided by the Puerto Rico Environmental Quality Board and the US Geological Survey.
REMARKS - Water levels are affected by astronomical tides, pumping of nearby wells, and cascading effects inside well casing. Data are considered accurate to +/-0.1 ft.
PERIOD OF DAILY RECORD - October 1st 2007 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 1.25 ft., below land-surface datum, September 20, 2017; lowest water level recorded, 12.17 ft., below land-surface datum, December 14, 2018.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 192.5 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 12.46 ft above National Geodetic Vertical Datum of 1929. Measuring point: SHELTER FLOOR ON TOP OF 4-IN CASING, 9.19 ft above National Geodetic Vertical Datum of 1929, Feb. 29, 1984 to Sep. 19, 2008; MEASURING POINT CORRECTED TO LAND SURFACE INSTEAD OF CONCRETE BASE, 9.01 ft above National Geodetic Vertical Datum of 1929, Sep. 19, 2008 to present.
PERIOD OF RECORD - February 6, 2004 to April 2, 2008.