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Water-Year Summary for Site 04212100

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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(Mean,Min.,Max.)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Min.,Max.,Mean)  
00300 Dissolved oxygen(Mean,Max.,Min.)  
00400 pH(Min.,Med.,Max.)  
63680 Turbidity, Form Neph(Mean,Min.,Max.)  

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

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USGS Water-Year Summary 2021
04212100 GRAND RIVER NEAR PAINESVILLE, OH
LOCATION - Lat 41°43'08", long 81°13'41" referenced to North American Datum of 1927, Lake County, OH, Hydrologic Unit 04110004, on downstream left abutment of bridge on State Highway 84 (Walnut Avenue), 0.9 mi downstream from Big Creek in Painesville.
DRAINAGE AREA - 685 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1974 to current year.
GAGE - Water-stage recorder. Datum of gage is 595.51 ft (NAVD 1988). Prior to October 2012 datum of gage was 596.37 ft (NGVD 1929). Prior to October 1983 datum of gage published in error as 620.37 ft above sea level.
REMARKS -

Record quality ratings may not be included in the water-year summary for approved records newer than 11/13/2018.  Record quality is still being rated internally.  For questions about record quality ratings, please send email to: gs-w-oh_NWISWeb_Data_Inquiries@usgs.gov.

WATER-QUALITY RECORD: Dec. 4, 2017 to Dec. 13, 2018: Water temperature records good except Nov. 11, 2018 to Dec. 13, 2018, which are fair and Dec. 4, 2017 to March 31, 2018, which are poor.  Specific conductance records good except Apr. 1, 2018 to May 8, 2018 and Nov. 11, 2018 to Dec. 13, 2018, which are fair and Dec. 4, 2017 to Mar. 31, 2018, which are poor.  pH records good except Dec. 4, 2017 to March 31, 2018, June 6, 2018 to July 12, 2018, and Nov. 11, 2018 to Dec. 13, 2018, which are fair.  Dissolved oxygen records good except except Nov. 11, 2018 to Dec. 13, 2018, which are fair and Dec. 4, 2017 to March 31, 2018, which are poor.  Turbidity records are fair, except except Dec. 4, 2017 to Apr. 17, 2018 and June 5, 2018 to Dec. 13, 2018, which are poor. 

WATER-QUALITY RECORDS
PERIOD OF RECORD - SPECIFIC CONDUCTANCE: December 2017 to current year. pH: December 2017 to current year. WATER TEMPERATURE: December 2017 to current year. DISSOLVED OXYGEN: December 2017 to current year. TURBIDITY: December 2017 to current year.
EXTREMES FOR PERIOD OF RECORD -

          Water Temperature:
               Maximum: 33.1 degrees Celsius, July 9, 2020.
               Minimum: 0.0 degrees Celsius, Jan. 1, 2018.

          Specific Conductance:
               Maximum: 2,610 microsiemens, Jan. 11, 2018.
               Minimum: 125 microsiemens, May 17, 2020.

          Dissolved Oxygen:
               Maximum: 14.4 mg/L, Mar. 5, 2019.
               Minimum: 5.4 mg/L, July 10, 2020.

          pH:
               Maximum: 8.8 units, May 7-8, 2018 and July 18, 2020.
               Minimum: 6.8 units, July 22, 2019.

          Turbidity:
               Maximum: 2,650 FNUs, Oct. 7, 2018.
               Minimum: 0.3 FNUs, Oct. 15, 2019.