USGS Water-Year Summary 2019
06935755 BONHOMME CREEK NEAR ELLISVILLE, MO
LOCATION - Lat 38°36'35.3", long 90°40'20.7" referenced to North American Datum of 1983, in sec.27, T.45 N., R.3 E., St. Louis County, MO, Hydrologic Unit 10300200, on right downstream side of Rieger Road bridge, 0.14 mi southwest of State Road 109, 1.56 mi north of State Road 100 (Manchester Road), 1.25 mi west of St. Louis County Highway C, and 9.55 mi upstream of Missouri River.
DRAINAGE AREA - 4.44 mi².
- WDR-US-2011: 1998-2010 (M).
PERIOD OF RECORD - Sep 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 568.56 ft above National Geodetic Vertical Datum of 1929. Prior to Sep 1997, at datum of 570.00 ft above National Geodetic Vertical Datum of 1929.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Jul 23, 1973 reached a stage of 8.64 ft, former datum, discharge, 2,640 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow on Sep 14, 2008 unknown.