USGS Water-Year Summary 2024
07183000 NEOSHO RIVER NEAR IOLA, KS
LOCATION - Lat 37°55'20", long 95°25'39" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 SE 1/4 sec.09, T.25 S., R.18 E., Allen County, KS, Hydrologic Unit 11070204, on right bank upstream side of State Highway 54 bridge, 1.0 mi west of State Street in Iola, and at mile 282.1.
DRAINAGE AREA - 3,723 mi².
REVISIONS HISTORY - WSP 1037: 1819-24, 1926-29, 1935(M). WSP 1117: Drainage area. WSP 1311: 1895-98. WSP 1391: 1896(M), 1899, 1901-02(M), 1903-04.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1895 to December 1903 (published as "at Iola"), October 1917 to current year. Monthly discharge only for some periods, published in WSP 1311. Figures of daily discharge for August 1895 to January 1898, published in previous reports, have been found to be unreliable and should not be used.
GAGE - Water-stage recorder. Datum of gage is 928.92 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Oct. 1, 1917, nonrecording gage at tailgate of flume at mill dam, 4.8 mi upstream at datum 12.2 ft higher. Oct. 1, 1917 to May 9, 2005, at site 5.3 mi downstream at a datum 14.15 ft lower.
WATER-QUALITY RECORDS
PERIOD OF RECORD - March 2013 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: February 2007 to April 2011, March 2013 to October 2015 (discontinued).
SPECIFIC CONDUCTANCE (EXO2): October 2015 to current year.
WATER TEMPERATURE: February 2007 to April 2011, March 2013 to October 2015 (discontinued).
WATER TEMPERATURE (EXO2): October 2015 to current year.
TURBIDITY (YSI 6136 sensor): February 2007 to April 2011, March 2013 to October 2015 (discontinued).
TURBIDITY (EXO2): October 2015 to current year.
INSTRUMENTATION - Mulitparameter water-quality monitor.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 585 microsiemens/cm, May 2, 2015; minimum, 96 microsiemens/cm, Aug. 9, 2013.
WATER TEMPERATURE: Maximum, 31.7°C, July 19, 2013; minimum, -0.3°C, Dec. 9, 2013.
TURBIDITY (YSI 6136 sensor): Maximum, 930 FNU, Jan. 22, 2015; minimum, 3.7 FNU, July 23, 2013.