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Water-Year Summary for Site 50048580

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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
00010 Temperature, water(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Mean,Min.)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Med.)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 18°25'19.88", long 66°06'59.20" referenced to North American Datum of 1927, Guaynabo Municipio, PR, Hydrologic Unit 21010005, on the left bank of creek at culvert, 5.16 mi west of Puerto Rico National Cemetery, and 5.81 mi east of the Roberto Clemente Stadium.
DRAINAGE AREA - 0.40 mi². Indeterminate.
REVISIONS HISTORY - Drainage Area revised in 2021 based on ArcHydro 2020; more detailed topo used.
GAGE - Satellite data collection platform with multiparameter sonde.
PERIOD OF RECORD - WATER TEMPERATURE: October 2015 to current year. SPECIFIC CONDUCTANCE: October 2015 to current year. DISSOLVED OXYGEN: October 2015 to current year. pH: October 2015 to current year.
COOPERATION - United States Army Reserve (USAR)
INSTRUMENTATION - Water-quality monitor consisting of temperature, specific conductance, dissolved oxygen and pH sensors.

WATER TEMPERATURE: 2020 Water Year Temperature Max: 34.1°C on 09/12/2020; 2020 Water Year Temperature Min: 22.4°C on 1/10/2020.

SPECIFIC CONDUCTANCE: 2020 Water Year Specific Conductivity Max: 2600µS/cm on 05/25/2020; 2020 Water Year Specific Conductivity Min: 26µS/cm on 09/09/2020.

DISSOLVED OXYGEN: Maximum recorded, 15.0 mg/L Oct. 02, 2015 and 07/07/2018 ; minimum recorded, 0.1 mg/L many dates in 2019.

pH: Maximum recorded, 9.3 pH Units Dec. 30, 2015 and June 27, 2019; minimum recorded, 5.7 pH Units Nov. 6, 2016.