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USGS Water-Year Summary 2024
07014500 MERAMEC RIVER NEAR SULLIVAN, MO
LOCATION - Lat 38°09'30.7", long 91°06'30.5" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 NE 1/4 sec.35, T.40 N., R.2 W., Crawford County, MO, Hydrologic Unit 07140102, on right bank at upstream side of Sappington Bridge, 3.8 mi downstream from Brazil Creek, 4.0 mi southeast of Sullivan, and at mile 117.0.
DRAINAGE AREA - 1,475 mi².
REVISIONS HISTORY - WSP 1007: 1922(M), 1924-30, 1933: Drainage area. WDR MO-02-1: Period of record peak gage height.
Revisions: Gage datum was updated to 582.16 ft NAVD88 on September 15, 2022, as determined by a GNSS Level II survey. Gage datum was previously published as 581.82 ft NGVD29 from levels.
Revisions: Gage datum was updated to 582.16 ft NAVD88 on September 15, 2022, as determined by a GNSS Level II survey. Gage datum was previously published as 581.82 ft NGVD29 from levels.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Sep 1921 to Sep 1933, Oct 1943 to current year. Monthly discharge only for Oct 1943, published in WSP 1311.
GAGE - Water-stage recorder. Datum of gage is 582.16 ft above North American Vertical Datum of 1988. Prior to Oct 21, 1952, nonrecording gage at present site and 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 1915 reached a stage of 33.5 ft, from information by local residents, discharge, 90,000 ft³/s.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Aug 1963 to Jul 1975, Jul 1977 to Jun 1990, Nov 1992 to current year.
