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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.
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USGS Water-Year Summary 2024
06935770 BONHOMME CREEK NEAR CLARKSON VALLEY, MO
LOCATION - Lat 38°39'30.4", long 90°37'06.6" referenced to North American Datum of 1983, in T.45 N., R.4 E., St. Louis County, MO, Hydrologic Unit 10300200, on right downstream wingwall of Highway CC Bridge, 0.96 mi south of U.S. Highway 40, 3.3 mi west of State Highway 340, 1.48 mi east of County Highway C, and 1.48 mi upstream from Missouri River.
DRAINAGE AREA - 11.3 mi².
REVISIONS HISTORY -
WDR-US-2008: 1998-2005(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Jun 1997 to current year. Annual peaks only for 1972-1974 water years published in WRD MO 1974.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 448.72 ft above North American 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 - Flood of Apr 11, 1979 reached a stage of 20.10 ft, former datum, discharge 5,620 ft³/s.
