USGS Water-Year Summary 2024
50147800 RIO CULEBRINAS AT HIGHWAY 404 NEAR MOCA, PR
LOCATION - Lat 18°21'42.26", long 67°05'33.16" referenced to North American Datum of 1927, Moca Municipio, PR, Hydrologic Unit 21010003, on right bank, 1 mi (1.6 km) below Quebrada Los Morones confluence, 1.1 mi (1.8 km) above Quebrada Las Marías confluence, 2.8 mi (4.5 km) southeast of Moca plaza at State Road 404 bridge over Río Culebrinas.
DRAINAGE AREA - 71.2 mi². (184 km2).
REVISIONS HISTORY - WDR PR-99-1: (M).
The maximum gage height for water year 2017 was revised on Dec. 10, 2018, based on revision of indirect measurement made following the flood of Sept. 20, 2017.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 12, 1967 to current year.
GAGE - Water-stage recorder and satellite telemetry at station. Datum of gage is 37.1 ft. (11.3 m) above Puerto Rico Vertical Datum of 2002 (PRVD02). Elevation or datum of gage was previously reported as 45 ft. (14 m) above mean 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 datum did not meet the new accuracy requirements.
WATER-QUALITY RECORDS
PERIOD OF RECORD - June 14, 1967 to January 8, 1982, March 5, 2007 to February 15, 2011; discontinued.