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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
06921590 SOUTH GRAND RIVER AT ARCHIE, MO
LOCATION - Lat 38°29'29.69", long 94°20'39.28" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 NW 1/4 sec.34, T.43 N., R.31 W., Cass County, MO, Hydrologic Unit 10290108, on the left downstream bridge abutment of western outer road to U.S. Highway 71 approximately 0.8 mi north of Archie.
DRAINAGE AREA - 356 mi².
REVISIONS HISTORY - WDR MO-80-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct 1969 to Oct 1986, Jun 2007 to current year.
REVISED RECORDS - WDR MO-80-1: Drainage area.
GAGE - Water stage-recorder and crest-stage gage. Datum of gage is 767.345 ft. National Geodetic Vertical datum of 1988.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Floods of Nov 13, 1928, and Sep 15, 1961, reached stages of 27.6 ft and 28.8 ft, respectively, at point 1 mi northeast of gage, from information by local resident.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Jun 2007 to current year.
REMARKS - This station replaces station 06921582 "South Grand River below Freeman, MO".
