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Water-Year Summary for Site 04197170

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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)  

Water year 2024: 2023-10-01 to 2024-09-30
 
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USGS Water-Year Summary 2024
04197170 Rock Creek at Tiffin OH
LOCATION - Lat 41°06'49", long 83°10'06" referenced to North American Datum of 1927, Seneca County, OH, Hydrologic Unit 04100011, on left bank about 160 ft downstream from bridge on Rebecca Street, at Heidelberg College.
DRAINAGE AREA - 34.6 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1983 to current year.
GAGE - Water-stage recorder. Datum of gage is 727.17 ft (NAVD 1988). Prior to October 1, 2010, datum was 740 ft (NGVD 1929), derived from topo map.
REMARKS -

Records fair for water year 2014. Periods of estimated record are poor. Oct. 1, 2014 to Nov. 18, 2015: records fair. Periods of estimated record are poor. Nov. 18, 2015 to Dec. 7, 2016: discharge records fair except for estimated records, which are poor.  Dec. 7, 2016 to Mar. 24, 2017: discharge records rated poor.  Mar. 24, 2017 to Aug. 31, 2017: discharge records rated good, except for estimated periods, which are poor.  Aug. 31, 2017 to Oct. 24, 2017: discharge records rated fair. Oct. 25, 2017 to Oct. 18, 2018: discharge records rated good, except for estimated periods, which are poor. 

Record quality ratings may not be included in the water-year summary for approved records newer than 09/30/2018.  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.