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Water-Year Summary for Site 07019000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Obs.)  

Water year 2020: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 38°30'16.85", long 90°35'26.69" referenced to North American Datum of 1927, in SE 1/4 sec.32, T.44 N., R.4 E., St. Louis County, MO, Hydrologic Unit 07140102, on right bank, 44 ft upstream from bridge on north access roadway of I-44, 2.0 mi east of Eureka, 3.0 mi downstream from Big River, and at mile 34.1.
DRAINAGE AREA - 3,788 mi².
REVISIONS HISTORY - WSP 877: 1938(M). WSP 977: 1942. WSP 1007: Drainage area. WSP 1281: 1924-25.
PERIOD OF RECORD - Aug 1903 to Jul 1906, Oct 1921 to current year. Monthly discharge only for Jan, Feb, and Mar 1904, published in WSP 1311.
GAGE - Water-stage recorder. Datum of gage is 404.18 ft above National Geodetic Vertical Datum of 1929. Prior to Jan 17, 1933, nonrecording gage at site 200 ft upstream at different datum; Jan 17, 1933, to Sep 22, 1937, nonrecording gage; Sep 23, 1937, to Sep 30, 1971, water-stage recorder at present site at datum 2.00 ft higher. July 16, 2015, gage moved 450 ft upstream to Interstate-44 bridge and different gage pool, approximately 1 ft higher stage, same datum.
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 42.2 ft, present datum, from floodmarks, discharge, 175,000 ft³/s, by slope-area measurement of peak flow.