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Water-Year Summary for Site 06894000

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Available Parameters
00010 Temperature, water(Mean,Max.,Min.)  
00060 Discharge(Mean)  
00065 Gage height(Obs.)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Med.)  
63680 Turbidity, Form Neph(Mean,Min.,Max.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
06894000 LITTLE BLUE RIVER NEAR LAKE CITY, MO
LOCATION - Lat 39°06'02", long 94°18'01" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.35, T.50 N., R.31 W., Jackson County, MO, Hydrologic Unit 10300101, on left pier on upstream side of bridge, closest to eastbound lane of State Highway 78, 3.0 mi southwest of Lake City, and 10.5 mi upstream from mouth.
DRAINAGE AREA - 184 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1948 to current year.
GAGE - Water-stage recorder. Datum of gage is 719.86 ft above North American Vertical Datum of 1988. Prior to July 24, 1957, nonrecording gage at site 50 ft downstream at same datum; July 24, 1957, to Apr. 28, 1977, water-stage recorder; Apr. 29, 1977, to May 10, 1979, nonrecording gage; May 11, 1979, to Sept. 12, 1983, water-stage recorder at site 50 ft upstream at present datum.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center.  
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: July 2005 to current year. pH: July 2005 to current year. WATER TEMPERATURE: July 2005 to current year. DISSOLVED OXYGEN: July 2005 to current year. TURBIDITY: July 2005 to current year.
INSTRUMENTATION - Water-quality monitor operated since July 2005. U.S.G.S. satellite telemeter at station.
REMARKS -

Interruptions or periods of missing record may be due to instrument failure, ice conditions, no flow conditions, or data corrections exceeding allowable criteria, which were deleted.

SPECIFIC CONDUCTANCE: For Water Year 2017, records are rated excellent except for the following periods: May 5, 14, 30, Jul. 6-10, Aug. 26 - Sept. 1, rated good.

pH: For Water Year 2017, records are rated excellent except for the following periods: Oct. 3 - Nov. 18, May 24-30, Sept. 1-30, rated good.

WATER TEMPERATURE: For Water Year 2017, records are rated excellent.

DISSOLVED OXYGEN: For Water Year 2017, records are rated excellent.

TURBIDITY: For Water Year 2017, records are rated excellent except for the following periods: May 21-30, rated fair; Oct. 7-11, Nov. 21-22, May 19-20, Aug. 23, 26 - Sep. 1, rated poor.

As of July 22, 2015, turbidity data collected using YSI EXO2 sensors (previously collected using YSI 6136 6-series sensors). Note that extreme values recorded using YSI EXO2 sensors may exceed those previously recorded using YSI 6136 sensors. Manufacturer specifications of range and accuracy for both sensor models are as follows: YSI 6136: 0 to 1000 FNU, ±2% of the reading or 0.3 NTU (whichever is greater). YSI EXO2: 0 to 999 FNU: 0.3 FNU or ±2% of reading (whichever is greater); 1000 to 4000 FNU: ±5% of reading.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum recorded, 2,630 uS/cm, Jan. 16, 2017; minimum recorded, 122 uS/cm, Sep. 18-19, 2010.

pH: Maximum recorded 8.6 standard units, Jul. 2, 2006, Jul. 25, 28, 2014; minimum recorded 7.0 standard units, May 18, 24, 2015, but may have been lower during periods of missing record.

WATER TEMPERATURE: Maximum recorded 33.7 °C, Jul. 19, 2006; minimum recorded -0.4 °C, Jan. 18-19, Feb. 11-13 and 21-22, 2008.

DISSOLVED OXYGEN: Maximum recorded 16.8 mg/L, Feb. 12, 2007, but may have been higher during periods of missing record; minimum recorded 2.4 mg/L, Aug. 13, 2005, but may have been lower during periods of missing record.

TURBIDITY: Maximum recorded, 2,200 FNU, Oct. 2, 2014, but may have been higher during periods of missing record; minimum recorded 1.0 FNU, Oct. 14, 2014, Mar. 21, 2016, Dec. 14, 2016, but may have been lower during periods of missing record.

EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum daily, 1,600 uS/cm, Dec. 14, 2007; minimum daily, 184 uS/cm, Aug. 22, 2017.

pH: Maximum daily, 8.4 standard units, Mar. 26, May 18, 2014, Mar. 15-16, 2017; minimum daily, 7.2 standard units, May 17, 2015, Aug. 23, 2017, but may have been lower during periods of missing record.

WATER TEMPERATURE: Maximum daily, 32.4 °C, Jul. 22, 2011; minimum daily, -0.2 °C, Jan. 18-21, 25, Feb. 12, 21-22, 2008.

DISSOLVED OXYGEN: Maximum daily, 16.1 mg/L, Jan. 22, 2012; minimum daily, 3.9 mg/L, Aug. 4, 2007.

TURBIDITY: Maximum daily, >970 FNU, May 27, 2007, but may have been higher during periods of missing record; minimum daily, 1.9 FNU, Dec. 14, 2016.