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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.
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USGS Water-Year Summary 2024
03240000 LITTLE MIAMI RIVER NEAR OLDTOWN OH
LOCATION - Lat 39°44'54", long 83°55'53" referenced to North American Datum of 1927, Greene County, OH, Hydrologic Unit 05090202, Sec. 34, R.7, T.4, on right bank at downstream side of bridge on U.S. Highway 68, 0.8 mi downstream from Conner Branch, 0.9 mi upstream from Massies Creek, 1.3 mi northeast of Oldtown, and at mile 82.25.
DRAINAGE AREA - 129 mi².
REVISIONS HISTORY - WDR-OH-98-1; 1991(M), 1993(M), and 1994(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1952 to current year.
GAGE - Water-stage recorder. Datum of gage is 816.08 ft (NAVD 1988). Prior October 2012 datum of gage was 816.56 ft (NGVD 1929).
REMARKS - For the period Oct. 1, 2014 to May 11, 2015, discharge records rated fair except for periods of estimated record, which are poor. For the period May 12, 2015 to Oct. 22, 2015, discharge records rated good. Oct. 22, 2015 to Nov. 18, 2016: discharge records good except for estimated records, which are poor.
For the period Nov. 18, 2016 to Dec. 4, 2017, discharge records rated good except for estimated discharges which are poor.
For the period Dec. 5, 2017 to Dec. 6, 2018, discharge records good except for estimated discharges which are 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. Sediment and water quality data collected at this site in previous years.
