USGS Water-Year Summary for Site 03263000

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	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

03263000 GREAT MIAMI RIVER AT TAYLORSVILLE OH

LOCATION - Lat 39°52'28", long 84°09'43" referenced to North American Datum of 1927, Montgomery County, OH, Hydrologic Unit 05080001, on right upstream face of Taylorsville Dam, 0.8 mi north of Taylorsville, 2.1 mi east of Vandalia, 9.5 mi upstream from Stillwater River, and at mile 90.9.

DRAINAGE AREA - 1,149 mi².

REVISIONS HISTORY - WSP 743: 1924(M). WSP 853: 1930, 1937. WSP 923: 1922-24. WSP 1385: 1916. WSP 1908: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - January 1914 to September 1917 (published as Miami River at Tadmor), October 1921 to current year. Monthly discharge only for some periods, published in WSP 1305. Gage-height records collected at site at Tadmor, January 1914 to July 1920, are contained in reports of the National Weather Service.

GAGE - Water-stage recorder. Datum of gage is 759.21 ft (NAVD 1988). Prior to Oct. 1921, nonrecording gage at site 1.7 mi upstream at different datum. Jan. 1, 1922 - Nov. 11, 1925, nonrecording gage at site 50 ft downstream at outlet works of Taylorsville Dam at datum 700.08 ft (1912 adjustment). Oct. 1921 - Sept. 1978 at site 650 ft downstream at same datum. Oct. 1, 1978 - Sept. 30, 1982 at datum 760.00 ft (1912 adjustment) at present site. Oct. 1, 1982 - Sept. 30, 2013 at datum 760.11 ft (1912 adjustment) (levels by Miami Conservancy District) at same site.

COOPERATION - Base data furnished by Miami Conservancy District.

REMARKS - Records fair for 2014, except for estimated records, which are poor. Aug. 15, 2014 to Oct. 10, 2014: records fair. Oct. 10, 2014 to Dec. 18, 2014: records good. Dec. 18, 2014 to Apr. 14, 2015: records fair, except for estimated records, which are poor. Apr. 14, 2015 to Aug. 18, 2015: records good. Aug. 18, 2015 to Oct. 5, 2015: records fair. Oct. 5, 2015 to Apr. 19, 2016: discharge records fair except for estimated daily discharges, which are poor. Apr. 20, 2016 to Aug. 10, 2016: discharge records good. Aug. 11, 2016 to Oct. 18, 2016: discharge records fair. Oct. 19, 2016 to Feb. 1, 2017: discharge records fair except for estimated daily discharges, which are poor. Feb. 2, 2017 to Nov. 2, 2017: discharge records poor. Nov. 3, 2017 to Oct. 16, 2018: discharge record poor. Oct. 17, 2018 to Sep. 30, 2019, discharge records rated poor. Record quality ratings will not be included in the water-year summary for approved records newer than 09/30/2019. 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.

Flood flow regulated by Taylorsville retarding basin and by Lockington retarding basin on Loramie Creek 30.3 mi upstream from station beginning in 1921. Low and medium flow slightly regulated by Indian Lake, 68 mi upstream from station, and by Lake Loramie 51 mi upstream from station on Loramie Creek; combined capacity, 58,900 acre-ft. Stage affected by backwater from Taylorsville Dam. Recharge to the wellfield for the cities of Tipp City and Vandalia is largely induced infiltration from the Great Miami River. Groundwater pumpage upstream from the station is returned to the river as treated wastewater 4.4 mi downstream from the station and could affect low flow.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood in Mar. 1913, reached a stage of 25.4 ft at site at Tadmor; discharge, 127,000 ft³/s computed by Miami Conservancy District.