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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.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
06935980 COWMIRE CREEK AT BRIDGETON, MO
LOCATION - Lat 38°45'51.4", long 90°25'58.02" referenced to North American Datum of 1983, in T.46 N., R.5 E., St. Louis County, MO, Hydrologic Unit 10300200, on left bank of bridge at Kirchner Brick Co., 1.11 mi west of Interstate 70 and 270 interchange, 1.7 mi south of State Highway 370, 0.16 mi north of County Highway A (St Charles Rock Road), and 6.29 mi upstream of the Missouri River.
DRAINAGE AREA - 3.74 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 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 464.22 ft above North American Vertical Datum of 1988. Prior to May 1997, at datum 464.55 ft above National Geodetic Vertical Datum of 1929.
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 13.86 ft, former datum, discharge, 2,500 ft³/s.
