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Water-Year Summary for Site USGS 334956090402201

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Mean)  
62611 Elevation, GW, NAVD88(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
334956090402201 H0210 BOLIVAR
Mississippi River Valley alluvial aquifer
Mississippi River Alluvial Aquifer
LOCATION - Lat 33°49'56", long 90°40'22" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.24, T.23 N., R.5 W., Bolivar County, MS, Hydrologic Unit 08030207, Hydrologic Unit 08030207, Choctaw Meridian, County Code 011, at Merigold-Drew county road bridge, about 3 miles east of Hwy 61 at Merigold, MS (5 miles north of Cleveland), 89.6 miles upstream of mouth at confluence with the Yazoo River, 20 miles north of Vicksburg.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 49 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined. Well was drilled with a 2-inch PVC casing to a depth of 49.0 feet below land surface (LSD datum = 140.35).  Bottom of one-foot screen is 48.7 feet below land surface.  MP at insert at top of well casing pipe (2.37 feet above ground) is 2.95 feet above ground.  It was 2.96 feet above land surface before Nov 21, 2016 levels.  Well is located about 50 feet upstream of gage house. 
DATUM - Land-surface datum is 140.35 ft above North American Vertical Datum of 1988. Measuring point: Undefined, 2.95 ft above land-surface datum, Jul. 30, 2014 to present. Measuring point (MP 1) is at insert at top of 2-inch PVC well casing, currently 2.95 feet above land surface.  It was 2.96 feet above land surface before Nov 21, 2016 levels.
PERIOD OF RECORD - Water-level measurement April 14, 2014, July 2014 (install) to Apr 24, 2018 (sensor pulled), (July 31 to Sep 30, 2014 not published)
GAGE - A 6-foot walk-in fiberglass shelter fixed to a wooden platform is located on upstream right bank just upstream of 07288280, Big Sunflower River near Merigold, Mississippi at bridge abutment.  A KPSI submersible pressure transducer connects the gage to the well, about 50 feet upstream of gage-shelter.  A Design Analysis plus DCP (s/n 1566) is connected to a KPSI submersible pressure transducer, set to a 15 minute-scan interval, housed at the walk-in gage house.  The KPSI sensor was pulled from the well on April 24, 2018 and moved to the river stage sensor housing.
COOPERATION - This well is maintained in cooperation with the U.S. Army Corps of Engineers, Vicksburg District (Funding lapsed in March of 2018) as part of the Lower Mississippi River Delta Alluvial GW/SW interaction project.
REMARKS - July 31, 2014 to April 23, 2018.  Ground water-level and water-temperature records good.  Missing periods due to instrument malfunctions are not estimated or gap filled.
PERIOD OF DAILY RECORD - Oct 01, 2014 to Apr 23, 2018
EXTREMES FOR PERIOD OF RECORD -

Highest recorded ground-water level, 103.86 ft gage datum or 36.49 ft below land-surface datum on March 24, 2016.

Highest measured ground-water level, 99.34 ft gage datum or 41.01 ft below land-surface datum on June 21, 2016.

Lowest measured ground-water level, 96.47 ft gage datum or 43.88 ft below land-surface datum on Oct 27, 2015.

Lowest recorded ground-water level, 96.19 ft gage datum or 44.16 ft below land-surface datum on Aug 30, 2015.

WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 49 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined. Well was drilled with a 2-inch PVC casing to a depth of 49.0 feet below land surface (LSD datum = 140.35).  Bottom of one-foot screen is 48.7 feet below land surface.  MP at insert at top of well casing pipe (2.37 feet above ground) is 2.95 feet above ground.  It was 2.96 feet above land surface before Nov 21, 2016 levels.  Well is located about 50 feet upstream of gage house. 
DATUM - Land-surface datum is 140.35 ft above North American Vertical Datum of 1988. Measuring point: Undefined, 2.95 ft above land-surface datum, Jul. 30, 2014 to present. Measuring point (MP 1) is at insert at top of 2-inch PVC well casing, currently 2.95 feet above land surface.  It was 2.96 feet above land surface before Nov 21, 2016 levels.
EXTREMES FOR PERIOD OF RECORD -

Highest ground-water temperature, 17.0 degrees Celsius on April 14 to 24, 2018.

Lowest ground-water temperature, 16.0 degrees Celsius on March 25 to June 08, 2016.