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Water-Year Summary for Site 50020500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  
80154 Suspnd sedmnt conc(Mean)  
80155 Suspnd sedmnt disch(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
50020500 RIO GRANDE DE ARECIBO NEAR ADJUNTAS, PR
LOCATION - Lat 18°10'54", long 66°44'12" referenced to North American Datum of 1927, Adjuntas Municipio, PR, Hydrologic Unit 21010002, at State Road 135 bridge junction with Highway 10, 1.4 mi (2.2 km) south from Lago Adjuntas and 1.5 mi (2.4 km) northwest of Adjuntas plaza.
DRAINAGE AREA - 18.6 mi². (4801 km2), which includes 6.1 mi² (15.8 km2) above Lago Garzas.
REVISIONS HISTORY - Revised - in 2021 based on ArcHydro 2020, more detailed topo used.
 
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1, 1946 to April 30, 1950; operated by the Puerto Rico Aqueduct and Sewage Authority (PRASA), March 29, 2000 to January 29, 2007; discontinued.
GAGE - Elevation of gage is 1,443 ft (440 m), above National Geodetic Vertical Datum (NGVD) of 1929, from topographic map.
REMARKS - Flow affected by Lago Garzas, 2.63 mi (4.23 km) and sewage treatment plant 1.1 mi (1.77 km) upstream from gage.
WATER-QUALITY RECORDS
PERIOD OF RECORD - April 3, 1969 to December 13, 1974, November 27, 1979 to current year.
PERIOD OF DAILY RECORD - SUSPENDED SEDIMENT DISCHARGE: March 29, 2000 to September 30, 2005; discontinued.