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Water-Year Summary for Site 50010800

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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.
Available Parameters
00045 Precipitation(Sum)  
62614 Elevation, lake/res, NGVD29(Obs.)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 18°24'01.30", long 66°55'23.08" referenced to North American Datum of 1927, Quebradillas Municipio, PR, Hydrologic Unit 21010002, on right bank, in a concrete intake tower at Dam site, 5.2 mi (8.4 km) southeast from Quebradillas plaza, 0.5 mi (0.8 km) northeast from San Antonio de Padua Church, and 2.8 mi (4.5 km) from Segunda Unidad Baldorioty de Castro School.
DRAINAGE AREA - 23.3 mi². (60.5 km2).
REVISIONS HISTORY - Revised - in 2021 based on ArcHydro 2020, more detailed topo used.
PERIOD OF RECORD - April 1995 to current year.
GAGE - Water-stage recorder, satellite and radio telemetry at station. Elevation of gage is above National Geodetic Vertical Datum (NGVD) of 1929, feet.
COOPERATION - Puerto Rico Electric Power Authority, (PREPA).
REMARKS - Lago Guajataca was completed in 1928. The dam is a semi-hydraulic earthfill structure about 123 ft (37 m) high, a top width of 31 ft (9.5 m) at crest elevation of 664 ft (202.5 m), a base width of 623 ft (190 m), a crest length of 1,036 ft (316 m) and has a maximum storage capacity of 49,200 acre-ft (60.6 hm3). The Guajataca Dam provides water for the municipalities of Aguadilla, Isabela, Moca, Aguada, and Quebradillas although its primary purpose is for agricultural irrigation for the flatlands of the area.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation 654.55 ft (199.51 m), September 20, 2017; minimum elevation, 608.07 ft (185.34 m) May 17, 1998.
PERIOD OF RECORD - June 12, 2018 to April 8, 2020; Discontinued.