USGS Water-Year Summary for Site 325728091002701

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	Available Parameters
	00010 Temperature, water(Mean)
	62611 Elevation, GW, NAVD88(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

325728091002701 A0175 ISSAQUENA

Mississippi River Valley alluvial aquifer
Mississippi River Alluvial Aquifer

LOCATION - Lat 32°57'28", long 91°00'27" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 sec.22, T.13 N., R.8 W., Issaquena County, MS, Hydrologic Unit 08030209, on Grace Road downstream of right bridge abutment over Steele Bayou.

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth undefined. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined. Well was drilled with a 2-inch PVC casing to an assumed depth of 30 feet below land surface (LSD datum = 104.38). Number 2, QW monitoring, well was drilled to an assumed depth of 40 feet below land surface. Well depths are assumed from nearby S 0194 (Washington) well information. Top of screen is unknown. Top of well casing is 3.97 feet above land surface. Top of QW monitoring well is capped at land surface.

DATUM - Land-surface datum is 104.38 ft above North American Vertical Datum of 1988. Measuring point: Undefined, 3.95 ft above land-surface datum, Oct. 23, 2014 to present; 3.97 feet above land surface from April 09, 2015 levels at top of well in Junction Box, 3.97 ft above land-surface datum, Apr. 9, 2015 to present.

PERIOD OF RECORD - July 03, 2014 (install) to current

GAGE - A 3 by 3 by 2-foot Hoffman box fixed to a wooden platform about three feet above ground is located on downstream right bank of the Steele Bayou. A submersible pressure transducer connects the gage to the well junction box just downstream of the platform. Number 2 Water Quality monitoring well is located between 2 wooden posts, capped at ground level, about 20 feet downstream of platform. A Design Analysis 522 plus DCP connected to a KPSI submersible pressure transducer set to a 15 minute-scan interval is housed at the Hoffman gage house shelter/platform. New KPSI sensor was installed on July 07, 2016.

COOPERATION - Well is maintained in cooperation with U.S. Army Corps of Engineers, Vicksburg District as part of the Lower Mississippi River Delta Alluvial GW/SW interaction project.

REMARKS - July 03, 2014 (install) to current. Water level records are good. Missing periods due to equipment malfunctions are not estimated or gap filled.

PERIOD OF DAILY RECORD - July 04, 2014 to current

EXTREMES FOR PERIOD OF RECORD -

Highest recorded ground-water level, 98.55 ft gage datum or 5.83 ft below land-surface datum on March 19, 2016.

Highest measured ground-water level, 98.14 ft gage datum or 6.24 ft below land-surface datum on April 03, 2019.

Lowest measured ground-water level, 87.72 ft gage datum or 16.66 ft below land-surface datum on July 07, 2016.

Lowest recorded ground-water level, 85.01 ft gage datum or 19.37 ft below land-surface datum on July 17, 2016.

WATER-QUALITY RECORDS

EXTREMES FOR PERIOD OF RECORD -

Highest recorded ground-water temperature, 19.7 degrees Celsius on March 05, 2018, Jan 20, 2019, and Jan 25 to Mar 07, 2019.

Lowest recorded ground-water temperature, 18.5 degrees Celsius on July 14, 16 to 25, July 27 to Aug 06, Aug 08 to 12, 17, 18, 24, 27 to 29, Aug 31 to Oct 01, and Dec 08 to 12, 2015.