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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.
USGS Water-Year Summary 2024
03237280 UPPER TWIN CREEK AT MCGAW OH
LOCATION - Lat 38°38'37", long 83°12'57" referenced to North American Datum of 1927, Scioto County, OH, Hydrologic Unit 05090201, on left bank, 0.2 mi downstream from Brown Run, 0.4 mi upstream from Tucker Run, 0.8 mi upstream from bridge on U.S. Highway 52 at McGaw, 2.7 mi northeast of Buena Vista, and 3.3 mi upstream from mouth.
DRAINAGE AREA - 12.2 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1963 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 541.88 ft (NAVD 1988). Prior to October 2014 datum was 542.41 ft (NGVD 1929), from Ohio Department of Highways bench mark. Prior to July 21, 1972 at site 0.8 mi downstream at datum 520.00 ft (NGVD 1929); July 21, 1972-Sept. 30, 1984, at site 0.1 mi downstream at datum 543.41 ft (NGVD 1929); Oct. 1, 1984-May 31, 2002, at site 0.1 mi downstream at datum 538.41 ft (NGVD 1929).
REMARKS -
Discharge records rated poor for 2014. Discharge records rated poor for 2015. Oct. 1, 2015 to Dec. 22, 2016: discharge records poor. Dec. 23, 2016 to Nov 9. 2017: discharge records poor. For the period Nov. 10, 2017 to Aug. 21, 2018 discharge records poor. For the period Aug. 22, 2018 to Nov. 27, 2018, discharge records good.
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.
Periods of no flow occur most years. Formerly part of the Hydrologic Benchmark Network.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of July 3, 1960, reached a stage of 11.62 ft; discharge, 7,230 ft³/s, on basis of contracted-opening and flow-over-road measurement of peak flow.
