USGS Water-Year Summary 2024
07010180 GRAVOIS CREEK NEAR MEHLVILLE, MO
LOCATION - Lat 38°31'37.2", long 90°17'59.6" referenced to North American Datum of 1983, in T.44 N., R.6 E., St. Louis County, MO, Hydrologic Unit 07140101, On center downstream pier of Green Park Road bridge, 1.10 mi south of Interstate 55, 0.24 mi west of Highway 267 (Lemay Ferry Road), and 3.48 mi upstream of River Des Peres Drainage Channel.
DRAINAGE AREA - 18.1 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Jul 1996 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 421.72 ft above North American Vertical Datum of 1988.