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Water-Year Summary for Site 182530066135400

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Available Parameters
72019 Water level, depth LSD(Obs.)  

Water year 2025: 2025-10-01 to 2026-09-30
 
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USGS Water-Year Summary 2025
182530066135400 216. CAMPANILLA NAVY WELL, TOA BAJA, PR
North Coast Limestone aquifer system (Puerto Rico)
North Coast Limestone Aquifer, Upper
LOCATION - Lat 18°25'28.1", long 66°13'55.4" referenced to North American Datum of 1927, Toa Baja Municipio, PR, Hydrologic Unit 21010005, 2.61 mi (4.20 km) northeast of Toa Alta plaza and 2.73 mi (4.39 km) southwest of Sabana Seca US Naval Radio Station. Well is located inside fenced property of Indulac Dairy at the most Southwestern corner of property in a grass field next to some palm trees at 18° 25' 20.9496'' N 66° 13' 53.8716'' W. 
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 140 ft. Upper casing diameter 12 in; top of first opening 20 ft, bottom of last opening 140 ft.
DATUM - Land-surface datum is 20 ft above National Geodetic Vertical Datum of 1929. Measuring point: HOLE ON SIDE OF CASING, 18.2 ft above National Geodetic Vertical Datum of 1929, Aug. 11, 1976 to Oct. 18, 2000; TOP OF STEEL CASING, 19.75 ft above National Geodetic Vertical Datum of 1929, Oct. 18, 2000 to Aug. 7, 2001; TOP OF SHELTER FLOOR, 16.73 ft above National Geodetic Vertical Datum of 1929, Aug. 6, 2001 to present.
PERIOD OF RECORD - August 11, 1976. March 13, 1985 to current year.
GAGE - Water-stage recorder 15 minute interval.
COOPERATION - Funding for site provided by the Puerto Rico Department of Natural and Environmental Resources and the US Geological Survey.
REMARKS - Water level affected by pumping nearby well.
PERIOD OF DAILY RECORD - October 1, 2007 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 7.02 ft., below land-surface datum, September 20, 2017; lowest water level recorded, 15.35 ft., below land-surface datum, August 12, 2015.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 140 ft. Upper casing diameter 12 in; top of first opening 20 ft, bottom of last opening 140 ft.
DATUM - Land-surface datum is 20 ft above National Geodetic Vertical Datum of 1929. Measuring point: HOLE ON SIDE OF CASING, 18.2 ft above National Geodetic Vertical Datum of 1929, Aug. 11, 1976 to Oct. 18, 2000; TOP OF STEEL CASING, 19.75 ft above National Geodetic Vertical Datum of 1929, Oct. 18, 2000 to Aug. 7, 2001; TOP OF SHELTER FLOOR, 16.73 ft above National Geodetic Vertical Datum of 1929, Aug. 6, 2001 to present.
PERIOD OF RECORD - August 10, 1976 to April 21, 2008.