USGS Water-Year Summary 2021
50045010 RIO DE LA PLATA BELOW LA PLATA DAM, PR
LOCATION - Lat 18°20'45.62", long 66°14'19.73" referenced to North American Datum of 1927, Toa Alta Municipio, PR, Hydrologic Unit 21010005, 2.8 mi (4.5 km) west of State Road 167, km 15.3, Buena Vista, Bayamón, 5 mi (8 km) east of Corozal plaza, and 3 mi (4.8 km) northeast of Naranjito plaza.
DRAINAGE AREA - 181 mi² of which 8.20 mi² probably is noncontributing.
- Revised - in 2021 based on ArcHydro 2020, more detailed topo used.
PERIOD OF RECORD - July 1989 to current year.
GAGE - Water-stage recorder and satellite telemetry at station. Datum of gage is 39.83 ft. (12.14 m), above Puerto Rico Vertical Datum of 2002 (PRVD02). Elevation or datum of gage was previously reported to be from 66 ft. (20 m) to 80 ft. (24.4 m) above sea level and NGVD 29 and was established via topographic map and a new GNSS survey was used to establish a PRVD02 datum because the topographic map datum did not meet the new accuracy requirements.