USGS Water-Year Summary 2024
06934000 GASCONADE RIVER NEAR RICH FOUNTAIN, MO
LOCATION - Lat 38°23'19.7", long 91°49'11.6" referenced to North American Datum of 1983, in SE 1/4 sec.16, T.41 N., R.8 W., Osage County, MO, Hydrologic Unit 10290203, on downstream side of State Highway 89 bridge, 100 ft downstream from Brush Creek Slough, 800 ft upstream from Swan Creek, 4 mi east of Rich Fountain, and 53 miles above mouth.
DRAINAGE AREA - 3,180 mi². by U.S. Army Corps of Engineers.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Nov 1, 1921 to Sep 30, 1959, Oct 1, 1986 to current year. Annual peaks only for water years 1959 to 1986.
GAGE -
Water-stage recorder. Datum of gage is 553.75 ft above North American Vertical Datum of 1988. From Oct 10, 1921, to Sep 13, 1932, chain gage on former bridge, 50 ft downstream; Sep 14, 1932, to Mar 9, 1934, wire-weight gage on former bridge; Mar 10, 1934, to Aug 26, 1956, water-stage recorder on former bridge; Aug 26, 1956, to May 11, 1966, gage readings were obtained by measuring from a reference point on present bridge; May 11, 1966, to Oct 31, 1986, Type-A wire-weight gage on present bridge. All gages have been maintained at present datum.