USGS Water-Year Summary 2018
06893080 BLUE RIVER NEAR STANLEY, KS
LOCATION - Lat 38°48'45", long 94°40'32" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 NE 1/4 sec.19, T.14 S., R.25 E., Johnson County, KS, Hydrologic Unit 10300101, on left bank between bridges on U.S. Highway 69, 0.5 mi downstream from confluence of Wolf and Coffee Creeks, 3.0 mi south of Stanley, and at mile 36.8.
DRAINAGE AREA - 46 mi², approximately.
PERIOD OF RECORD - Annual maximum, water years 1970-74. October 1974 to current year.
GAGE - Water-stage recorder. Datum of gage is 886.05 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Oct. 1, 1974, crest-stage gage at same site and datum.