USGS Water-Year Summary for Site 364818094185301

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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

364818094185301 Neosho Springfield Plateau Aquifer

Ozark Plateaus aquifer system
Osagean Series

LOCATION - Lat 36°48'17.7", long 94°18'53.3" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 SE 1/4 sec.18, T.24 N., R.31 W., Newton County, MO, Hydrologic Unit 11070207,

REVISIONS HISTORY -
Revisions: Land-surface datum was updated to 1,262.94 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 1,265 ft NGVD29 from a topographic map. Discrete water-level measurements prior to May 22, 2023, are referenced to the original datum.

The period from 10/01/2008 to 02/23/2009 was modified after it was previously approved. The gage was reset -0.04 ft on 02/23/2009 and it was decided to smooth this jump in the hydrograph after sufficient data was collected to indicate the gage is more accurate than +/- 0.1 ft. The measuring point for the entire period of record was changed from -0.2 ft to -1.9 ft on 12/12/2012. This was done when it was determined that a previous measurment of the measuring point was found to be incorrect.

GROUNDWATER RECORDS

DATUM - Land-surface datum is 1,262.94 ft above North American Vertical Datum of 1988. Measuring point: DNR DCP platform, 1.9 ft above land-surface datum, Jun. 15, 2007 to present.

PERIOD OF RECORD - July 17, 2007 to present.

GAGE - From July 17, 2007 to present, water level measuring device is a float and encoder; water level recording device is a DCP with telemetry capability setting in metal box on top of casing.

COOPERATION - From 07/17/2007 to present, data furnished by Missouri Department of Natural Resources (MDNR). From 07/17/2007 to present, data processed by USGS and MDNR.

REMARKS -

Data from 07/17/2007 to 09/30/2008 has been processed by the USGS with limited field water level measurements (5 measurements) during the period to verify the recorded water levels. This record is considered good and accurate to +/- 0.05 ft.

Data from 10/01/2008 to 10/07/2009 is good based on 3 water level measurements taken during site visits to verify the recorded data. This record is accurate to +/- 0.05 ft.

Data from October 07, 2009 to August 16, 2010 is good based on 4 water level measurements taken during site visits to verify the recorded data. This record is accurate to +/- 0.05 ft.

Data from 08/17/2010 to 08/15/2011 is good based on 6 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 08/15/2011 to 07/24/2011 is good based on 5 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 07/25/2011 to 10/08/2013 is good based on 4 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 10/09/2013 to 12/08/2014 is good based on 4 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 12/09/2014 to 04/24/2016 is good based on 4 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 04/25/2016 to 10/04/2016 is good based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 10/05/2016 to 08/15/2017 is good based on 3 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 08/16/2017 to 01/30/2018 is good based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 01/31/2018 to 09/17/2018 is good based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 09/18/2018 to 01/08/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

Data from 01/09/2019 to 06/25/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.15 ft.

Data from 06/26/2019 to 12/10/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

All further remarks can be found in RMS as of 01/15/2020.