USGS Water-Year Summary 2024
07061290 E. FORK BLACK R. BELOW LOWER TAUM SAUK RESERVOIR
LOCATION - Lat 37°29'37", long 90°50'18" referenced to North American Datum of 1983, Reynolds County, MO, Hydrologic Unit 11010007, on left bank below lower Taum Sauk Reservoir dam, 5 mi northeast of Lesterville.
DRAINAGE AREA - 87.3 mi².
REVISIONS HISTORY -
Revisions: Gage height and discharge for the period Apr 30, 2017 to May 29, 2019, were revised on Oct 29, 2019, based on changes to the reference datum.
Revisions: Gage datum was revised to 702.17 ft NAVD88 on January 3, 2023, as determined by a GNSS Level II survey. Gage datum was previously published in error as 725 ft NAVD88 from topographic map.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Mar 13, 2008 to current.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 702.17 ft above North American Vertical Datum of 1988.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Nov 2008 to current year.
PH: Nov 2008 to current year.
WATER TEMPERATURE: Nov 2008 to current year.
DISSOLVED OXYGEN: Nov 2008 to current year.
TURBIDITY: Nov 2008 to current year.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 188 uS/cm, Aug 29-31, Sep 1, 7-9, 2010; minimum recorded, 30 uS/cm, Dec. 28, 2015.
pH: Maximum recorded, 8.5 standard units, Sep 5, 2011; minimum recorded, 6.3 standard units, Apr 26, 2013.
WATER TEMPERATURE: Maximum recorded, 34.1 °C, Aug 3, 2011; minimum recorded, 1.0 °C, Feb 11, 2014.
DISSOLVED OXYGEN: Maximum recorded, 13.8 mg/L, Jan 11,12, 2014; minimum recorded, 1.3 mg/L, Aug 2, 2011.
TURBIDITY: Maximum recorded, 280 FNU, Jun 8, 2009; minimum recorded, 0 FNU, Dec 16-27, 2008, Jun 24-Jul 7, 2009, many days in 2011, several days in 2012, Jan 8-11, 2013, Jan 9- 13, 15- 16, 20, 2014.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum daily, 188 uS/cm, Sep 8, 2010; minimum daily, 32 uS/cm, Dec. 29, 2016.
pH: Maximum daily, 8.4 standard units,Sep 5, 2011; minimum daily, 6.6 standard units, several days in 2013, June 6 and 7, 2016.
WATER TEMPERATURE: Maximum daily, 32.0 °C, Aug 3, 2011; minimum daily, 1.5 °C, Feb 7, 2014. 2009.
DISSOLVED OXYGEN: Maximum daily, 13.9 mg/L, Mar 3, 2015; minimum daily, 2.0 mg/L, Aug 3, 2011.
TURBIDITY: Maximum daily, 88 FNU, Oct 30, 2009; minimum daily, 0 FNU, many days.