USGS Water-Year Summary 2021
07010208 MARTIGNEY CREEK NEAR ARNOLD, MO
LOCATION - Lat 38°29'27.3", long 90°17'34.9" referenced to North American Datum of 1983, in T.43 N., R.6 E., St. Louis County, MO, Hydrologic Unit 07140101, on left downstream abutment of Sunrise Height Drive bridge, 0.1 mi south of Interstate 255, 0.5 mi east of Highway 231 (Telegraph Road), and 1.04 mi upstream of Mississippi River.
DRAINAGE AREA - 2.64 mi².
PERIOD OF RECORD - May 1997 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 407.34 ft above North American Vertical Datum of 1988.