USGS Water-Year Summary for Site 360425089485001

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	Available Parameters
	72019 Water level, depth LSD(Mean)

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

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USGS Water-Year Summary 2023

360425089485001 Steele

Mississippi River Valley alluvial aquifer
Holocene Alluvium

LOCATION - Lat 36°04'24.7", long 89°48'48.8" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NE 1/4 sec.36, T.17 N., R.11 E., Pemiscot County, MO, Hydrologic Unit 08020204,

REVISIONS HISTORY -
Revisions: Land-surface datum was updated to 261.62 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 261 ft NGVD29 from a topographic map. Discrete water-level measurements prior to May 22, 2023, are referenced to the original datum.

Data from Jan 19, 1985 to Apr. 8, 1986 from this well was published in Berkas and others, 1989 with the site id 360422089484801. The published water level data in this report is 2.00 ft lower than the approved data for this site because the Berkas and others report had water level data referenced to the measuring point which is 2.00 ft above land surface. Data is now referenced to land surface instead of the measuring point.

GROUNDWATER RECORDS

DATUM - Land-surface datum is 261.62 ft above North American Vertical Datum of 1988. Measuring point: unknown, 2.0 ft above land-surface datum, Jan. 22, 1957 to present.

PERIOD OF RECORD - January 22, 1957 to present.

GAGE - Digital recorder installed January 22, 1957. April 27, 2000 to present; DCP with float, encoder, and telemetry capability installed as the water level recording and measuring devices.

COOPERATION - Data furnished by Missouri Department of Natural Resources (MDNR); Record from January 22, 1957 to April 27, 2000 furnished from MDNR.

REMARKS -

Furnished record rated poor (October 01, 1956 to November 07, 1980) because no water level measurements are available to verify daily values.

Furnished record rated good (November 08, 1980 to April 28, 2000) because 16 water level measurements are available for this period. This data has been archived by Missouri Department of Natural Resources (MDNR) and has been verified by USGS.

Data from 04/28/2000 to 09/30/2008 has been processed by the USGS with limited water level measurements (17 measurements)to verify the record. This record is considered good.

Record from 10/01/2008 to 01/20/2010 is good based on 9 water level measurements made during the period to verify the record and record is accurate to +/- 0.05 ft. Record from 01/20/2010 to 09/08/2010 is good based on 4 water level measurements made during the period to verify the record. The record is accurate to +/- 0.05 ft. Record from 09/08/2010 to 08/10/2011 is good based on 5 water level measurements made during the period to verify the record. The record is accurate to +/- 0.05 ft. Record from 08/10/2011 to 09/09/2012 is good based on 5 water level measurements made during the period to verify the record. The record is accurate to +/- 0.05 ft. Record from 09/10/2012 to 08/20/2013 is good based on 3 water level measurements made during the period to verify the record.The record is accurate to +/- 0.05 ft. Record from 08/21/2013 to 08/11/2014 is good based on 3 water level measurements made during the period to verify the record. The record is accurate to +/- 0.05 ft. Record from 08/12/2014 to 06/07/2016 is good based on 5 water level measurements made during the period to verify the record. The record is accurate to +/- 0.05 ft. Record from 06/08/2016 to 03/01/2017 is good based on 2 water level measurements made during the period to verify the record. The record is accurate to +/- 0.05 ft. Record from 03/02/2017 to 09/05/2017 is good based on 2 water level measurements made during the period to verify the record. The record is accurate to +/- 0.05 ft. Record from 09/06/2017 to 01/09/2018 is good based on 1 water level measurement made during the period to verify the record. The record is accurate to +/- 0.05 ft. Record from 01/10/2018 to 04/10/2018 is good based on 1 water level measurement made during the period to verify the record. The record is accurate to +/- 0.05 ft. Record from 04/11/2018 to 09/10/2018 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.05 ft. The record from 09/11/2018 to 11/29/2018 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.05 ft. The record from 11/30/2018 to 02/04/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.05 ft. The record from 02/05/2019 to 04/15/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.05 ft. The record from 04/16/2019 to 05/20/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.05 ft. The record from 05/21/2019 to 10/01/2019 is good based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

All later correction notes and remarks can be found in RMS as of 10/02/2019.