USGS Water-Year Summary 2023
07179500 NEOSHO RIVER AT COUNCIL GROVE, KS
LOCATION - Lat 38°39'57", long 96°29'36" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 NW 1/4 sec.14, T.16 S., R.8 E., Morris County, KS, Hydrologic Unit 11070201, on right bank at downstream side of bridge, 300 ft downstream from Mozler Creek, 1.0 mi upstream from Elm Creek, 1.7 mi downstream from Council Grove Lake, and at mile 448.0.
DRAINAGE AREA - 265 mi². Per automated delineation using 30-meter NHDPlus in Kansas StreamStats website 9/11/2017.
REVISIONS HISTORY - WSP 1117: Drainage area. WSP 1341: 1939-40(M), 1942.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1938 to current year.
GAGE - Water-stage recorder. Concrete control since Jan. 8, 1997. Datum of gage is 1,206.70 ft. above mean sea level (NAVD88). Previous datum of gage was 1,205.63 ft. above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to June 7, 1940, nonrecording gage at present site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in 1903 reached a stage of 37.3 ft at water plant, from information by U.S. Army Corps of Engineers.