USGS Water-Year Summary for Site 392321092153901

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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

392321092153901 Middle Grove

Mississippian aquifers

LOCATION - Lat 39°23'21.1", long 92°15'39.6" referenced to North American Datum of 1983, Monroe County, MO, Hydrologic Unit 07110006,

REVISIONS HISTORY - Revisions: Land-surface datum was updated to 822.68 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 820 ft NGVD29 from topographic map. Discrete water-level measurements prior to May 22, 2023, are referenced to the original datum.

GROUNDWATER RECORDS

DATUM - Land-surface datum is 822.68 ft above North American Vertical Datum of 1988. Measuring point: Transfer MP created for migration, 0 ft above land-surface datum, May. 7, 2014 to Oct. 1, 2020; Transfer MP created for migration, 0.75 ft above land-surface datum, Oct. 1, 2020 to present.

PERIOD OF RECORD - May 13, 2014 to present. Gage was installed on May 13, 2014.

GAGE - May 13, 2014 to present; DCP with telemetry capability and vented, submersible pressure transducer were installed as the water level recording and measuring devices. Unit values begin on May 13, 2014.

COOPERATION - Data furnished by Missouri Department of Natural Resources (MDNR) and records processed by USGS and MDNR.

REMARKS -

The record from 05/13/2014 to 01/20/2015 is good based on 3 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft. Start up WL was on 05/07/2014 but no data until 0900 on 05/13/2014. The record from 01/21/2015 to 07/19/2016 is good based on 5 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft. The record from 07/20/2016 to 11/14/2016 is good based on 1 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft. The record from 11/15/2016 to 08/01/2017 is good based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft. The record from 08/02/2017 to 02/27/2018 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 02/28/2018 to 09/03/2018 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 09/04/2018 to 02/13/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.15 ft. The record from 02/14/2019 to 09/23/2019 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 09/24/2019.