USGS Water-Year Summary 2024
06884700 BIG BLUE R AT BLUE RAPIDS, KS
LOCATION - Lat 39°41'14", long 96°38'23" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.21, T.4 S., R.7 E., Marshall County, KS, Hydrologic Unit 10270205, on right bank downstream side of bridge on U.S. Highway 77 1.0 mi east of Blue Rapids, 3.4 mi downstream from Little Blue River, and at mile 58.4.
DRAINAGE AREA - 8,342 mi².