Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 50111300

Click to hide Water-Year Summary instructions and information
  • 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)  
72375 Elevation, lake/res, LMSL(Obs.) [OLDPR]  
72379 Elevation, lake/res, PRVD02(Obs.)  

Water year 2024: 2024-10-01 to 2025-09-30
 
Print this page
USGS Water-Year Summary 2024
50111300 LAGO GUAYABAL AT DAMSITE NEAR JUANA DIAZ, PR
LOCATION - Lat 18°05'16.06", long 66°30'07.42" referenced to North American Datum of 1927, Juana Diaz Municipio, PR, Hydrologic Unit 21010004, at Damsite, 2.3 mi (3.7 km) northeast from Juana Díaz plaza, 0.7 mi (1.13 km) northeast from Salvador Bousquets School, and 2.45 mi (3.94 km) southeast from Zoilo Gracia School.
DRAINAGE AREA - 43.28 mi². (42.1 km2).
REVISIONS HISTORY - Datum of gage was previously reported in the site file as 328.1 ft (100.0 m) above NGVD29 and LMSL-Old PR. NGVD29 datum does not exist in Puerto Rico and the correct LMSL-Old PR elevation is 300 ft (91.4 m), published historical records did not reflect this site file typo. Revised to PRVD02 Datum in October 2022. 
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 20, 1995 to current year.
GAGE - Water-stage recorder, satellite and radio telemetry at station. Datum of gage is above Local Mean Sea Level (LMSL- Old PR) and above Puerto Rico Vertical Datum of 2002 (PRVD02).
COOPERATION - Puerto Rico Electrical Power Authority (PREPA).
REMARKS - Lago Guayabal was completed in 1913. The dam is a reinforced concrete, flatslab and buttress-type structure about 130 ft (40 m) height, a net crest length at the right side of the dam of 693 ft (211 m) and a crest elevation of 331 ft (101 m). It has a maximum storage capacity of 7,600 acre-ft (9.37 hm3). The Lago Guayabal dam primary purpose is for irrigation of lands served by the Juana Díaz Irrigation canal.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 342.89 ft (104.51 m), April 26, 2002; minimum elevation, 325.99 ft (99.36 m), September 29, 1997.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - Precipitation record from 08/19/2018 to present