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Water-Year Summary for Site 50143930

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
50143930 RIO GRANDE DE ANASCO AT BO. GUACIO, PR
LOCATION - Lat 18°16'48", long 67°00'54" referenced to North American Datum of 1927, San Sebastian Municipio, PR, Hydrologic Unit 21010003, on right bank, 8.28 mi (13.32 km) southeast of Añasco plaza, 2.05 mi (3.30 km) northeast of Segunda Unidad de Anones school, and 4.37 mi (7.03 km) southwest of San Sebastian plaza.
DRAINAGE AREA - 94.54 mi². (324 km2).
REVISIONS HISTORY - Revised - in 2021 based on ArcHydro 2020, more detailed topo used.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2003 to September 30, 2013; discontinued.
GAGE - Water-stage recorder, satellite telemetry at station. Elevation of gage is 213 ft (65 m) above National Geodetic Vertical Datum (NGVD) of 1929, from topographic map.
REMARKS - Records fair except those for estimated daily discharges, which are poor. For Water Years 2009 and 2010, no stage-discharge definition above 8.69 ft (2.649 m) of stage and 930.5 ft³/s (26.35 m3/s) of discharge. For Water Years 2011 and 2012, no stage-discharge definition above 8.37 ft (2.551 m) of stage and 1,088 ft³/s (30.81 m3/s) of discharge. For Water Year 2013, no stage-discharge definition above 8.37 ft (2.551 m) of stage and 1,088 ft³/s (30.81 m3/s) of discharge until May 10, 2013; from May 10, 2013 to current, no stage-discharge definition above 8.47 ft (2.582 m) of stage and 1,134 ft³/s (32.11 m3/s) of discharge. Stage-discharge definition changes based on the availability of direct measurements for each water year.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, undetermined, September 3, 2008, gage height, 21.66 ft (6.602 m); minimum discharge, 34.0 ft³/s (0.963 m3/s), April 12, 2011.
WATER-QUALITY RECORDS
PERIOD OF RECORD - August 27, 2005 to November 25, 2013; discontinued.