USGS Water-Year Summary 2024
50032290 LAGO EL GUINEO AT DAMSITE NEAR VILLALBA, PR
LOCATION - Lat 18°09'40.41", long 66°31'35.07" referenced to North American Datum of 1927, Barranquitas Municipio, PR, Hydrologic Unit 21010002, at damsite on Río Toro Negro, 3 mi (4.8 km) northwest from Villalba plaza, and 1.9 mi (3.1 km) northeast of Cerro Maravillas. The reservoir itself fixes the territorial limits between the municipalities of Ciales and Orocovis.
DRAINAGE AREA - 1.64 mi². (4.25 km2).
REVISIONS HISTORY - Datum of gage was previously reported in the site file as 2960 ft (902.2 m) above NGVD29 and LMSL-Old PR. NGVD29 datum does not exist in Puerto Rico and the correct LMSL-Old PR elevation is 2900 ft (883.9 m), published historical records did not reflect this site file typo. Revised to PRVD02 Datum of 2902.30 ft. (884.6 m) in October 2022.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1988 to current year.
GAGE - Water-stage recorder, satellite and radio telemetry at station. Datum of gage is 2902.30 ft. (884.6 m) above Puerto Rico Vertical Datum of 2002 (PRVD02) and 2.3 ft. (0.70 m) above Local Mean Sea Level (LMSL- Old PR).
COOPERATION - Puerto Rico Electrical Power Authority (PREPA).
EXTREMES FOR PERIOD OF RECORD - Maximum elevation 2,964.94 ft (903.71 m), August 23, 2011; minimum elevation 2,919.79 ft (889.95 m), May 27, 1988.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - October 2016 to current year.
INSTRUMENTATION - Tipping bucket precipitation gage and data collection platform – 15 minutes interval.