USGS Water-Year Summary 2023
50110900 RIO TOA VACA ABOVE LAGO TOA VACA, PR
LOCATION - Lat 18°07'35.40", long 66°27'28.02" referenced to North American Datum of 1927, Villalba Municipio, PR, Hydrologic Unit 21010004, on right bank, off a dirt road about 0.3 mi (0.5 km) from State Road 553, 2.4 mi (3.9 km) southeast from Villalba plaza, and 0.2 mi (0.3 km) downstream from confluence with Quebrada Limón.
DRAINAGE AREA - 14.2 mi², (36.8 km2).
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 5, 1989 to current year.
GAGE - Water-stage recorder, crest stage gage, and satellite telemetry at station. Elevation of gage is 557 ft (170 m) above National Geodetic Vertical Datum (NGVD) of 1929, from topographic map.
WATER-QUALITY RECORDS
PERIOD OF RECORD - September 10, 1995 to June 5, 2002; discontinued.
PERIOD OF DAILY RECORD - SUSPENDED-SEDIMENT DISCHARGE: October 1, 1988 to May 31, 2005; discontinued.