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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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
180122066560300 ARENAS 1 WELL, GUANICA, PR
Other aquifers
Guanica Alluvial Aquifer
Guanica Alluvial Aquifer
LOCATION - Lat 18°01'20.3", long 66°56'02.0" referenced to North American Datum of 1927, Guanica Municipio, PR, Hydrologic Unit 21010003, 3.51 mi (5.65 km) south of Guánica Bay, 1.94 mi (3.14 km) east of intersection on Highway 2 with State Road 332 , 1.46 mi (2.34 km) northwest of intersection State Road 121 and State Road 367.
GROUNDWATER RECORDS
DATUM - Land-surface datum is 42.7 ft above National Geodetic Vertical Datum of 1929. Measuring point: 2" hole on shelter floor, distance above measuring-point datum not defined, UNDEFINED BEGIN DATE to present; Top of concrete base, distance above measuring-point datum not defined, Jul. 25, 1985 to present.
PERIOD OF RECORD - One measurement on July 25, 1985. August 19, 2014 to current year.
GAGE - Water-stage recorder 60 minute interval, satellite telemetry at station.
COOPERATION - Funding for site provided by the Puerto Rico Environmental Quality Board and the U.S. Geological Survey.
PERIOD OF DAILY RECORD - August 27, 2014 to June 23, 2016. August 25, 2016 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 0.27 ft., above land-surface datum, September 22, 2014; lowest water level recorded, 9.75 ft., below land-surface datum, September 03, 2019.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - June 2018 to current year.
INSTRUMENTATION - Tipping bucket precipitation gage and data collection platform – 15 minutes interval.
