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Water-Year Summary for Site 392147090541901

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Available Parameters
72019 Water level, depth LSD(Mean)  

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

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USGS Water-Year Summary 2023
392147090541901 Clarksville
Cambrian-Ordovician aquifer system
Champlainian Series
LOCATION - Lat 39°21'46.3", long 90°54'19.1" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 sec.16, T.53 N., R.1 E., Pike County, MO, Hydrologic Unit 07110009,
REVISIONS HISTORY - Revisions: Land-surface datum was updated to 484.67 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 490 ft NAVD88 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 484.67 ft above North American Vertical Datum of 1988. Measuring point: DNR DCP platform shelf, 1.2 ft above land-surface datum, Sep. 25, 2007 to present.  
PERIOD OF RECORD - September 26, 2007 to present. Gage was installed on September 25, 2007.
GAGE - September 25, 2007 to present DCP with vented, submersible pressure transducer and telementry capability. Unit values begin September 26, 2007.
COOPERATION - Data furnished by Missouri Department of Natural Resources (MDNR).
REMARKS -

Record from September 26, 2007 to December 22, 2009 good based on 8 water level measurement made during this period to verify recorded water levels. Data from 09/09/2009 to 12/22/2009 is fair and may be accurate to +/- 0.3 ft.

The period from 12/22/2009 to 08/24/2010 is good and is accurate to +/- 0.05 ft. This was determined from 4 water level measurements made during the period to verify the record.

The record from 08/24/2010 to 06/19/2011 is good based on 3 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

The record from 06/20/2011 to 07/25/2012 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 07/25/2012 to 07/22/2013 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 07/23/2013 to 01/21/2015 is good based on 4 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft.

The record from 01/22/2015 to 11/15/2016 is fair based on 4 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.25 ft. Based on the manual measurement data, the time for the hydrograph seems to be shifted adding uncertainty to the readings on the hydrograph.

The record from 11/16/2016 to 08/15/2017 is fair based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.30 ft. Based on the manual measurement data, the time for the hydrograph seems to be shifted adding uncertainty to the readings on the hydrograph. It is unclear at what times the readings and resets were actually applied based on the field sheet data. Since this well moves rapidly and there is uncertainty with the field sheet data the period was rated fair.

The record from 08/16/2017 to 02/26/2018 is fair based on 1 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.30 ft. Since this well moves rapidly and there is uncertainty with the field sheet data the period was rated fair.

The record from 02/27/2018 to 09/10/2018 is fair based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.20 ft. Since this well moves rapidly and there is uncertainty with the field sheet data, the period was rated fair. 

The record from 09/11/2018 to 03/26/2019 is fair based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.20 ft. Since this well moves rapidly and there is uncertainty with the field sheet data, the period was rated fair. 

The record from 03/27/2019 to 08/06/2019 is fair based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.20 ft. Since this well moves rapidly and there is uncertainty with the field sheet data, and there were several periods of missing data, the period was rated fair. 

All later correction notes and remarks can be found in RMS as of 08/07/2019.