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Water-Year Summary for Site 04180988

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Available Parameters
00060 Discharge(Mean)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
04180988 St. Marys River at Rockford, OH
LOCATION - Lat 40°41'41", long 84°38'48" referenced to North American Datum of 1927, Mercer County, OH, Hydrologic Unit 04100004, on left bank downstream from the SR 118 bridge, on north side of Rockford, 0.1 mi north of intersection with SR 33.
DRAINAGE AREA - 340 mi².
REVISIONS HISTORY - Gage height and discharge for the period Oct. 8, 2015, to Oct. 16, 2016, were revised on Feb. 8, 2017; the revisions were required to correct processing errors that caused incorrect assignment of times to some values.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2005 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 787.39 ft (NAVD 1988).
REMARKS - Records fair for water year 2014. Estimated records are poor. Records for Oct. 1, 2014 to Jul. 15, 2015: fair, except for estimated records, which were poor. Records for Jul. 16, 2015 to Oct. 19, 2015: fair, except for estimated records, which were poor. Records for Oct. 20, 2015 to Mar. 8, 2016: poor. Records for Mar. 9, 2016 to Nov. 15, 2016: fair, except for estimated records, which are poor. Nov. 16, 2016 to Mar. 6, 2017: discharge records poor.  Mar. 7, 2017 to May 2, 2017: discharge records fair.  May 3, 2017 to Nov. 6, 2017: records good.