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Water-Year Summary for Site 07016500

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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)  
00065 Gage height(Obs.)  

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

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USGS Water-Year Summary 2023
LOCATION - Lat 38°26'38.9", long 90°59'43.7" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 SE 1/4 sec.26, T.43 N., R.1 W., Franklin County, MO, Hydrologic Unit 07140103, on left bank at upstream side of the bridge on U.S. Highway 50, 800 ft upstream from Flat Creek, 0.5 mi east of Union, 7.0 mi upstream from Birch Creek, and at mile 13.4.
DRAINAGE AREA - 808 mi².
REVISIONS HISTORY - WSP 957: 1941. WSP 1147: Drainage area. WSP 1281: 1924.
PERIOD OF RECORD - Jun 1921 to current year. Oct 1916 to Jun 1921 gage heights only in reports of the National Weather Service.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 488.63 ft above North American Vertical Datum of 1988. Prior to Oct 1, 1948, datum of all gages 3.00 ft higher. Prior to Oct 21, 1933, nonrecording gage, at site 30 ft upstream; Oct 21, 1933, to Jun 11, 1944, nonrecording gage, at present site.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center.  
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Aug 22, 1915, reached a stage of 28.5 ft, present datum, from floodmarks, discharge, about 50,000 ft³/s, determined from extension of rating curve for main channel based on measurements made since 1921 and study of overflow areas in vicinity of gaging station.