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Water-Year Summary for Site 394013093400201

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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
394013093400201 Dawn
Sand and gravel aquifers (glaciated regions)
Drift
LOCATION - Lat 39°40'13.7", long 93°40'01.7" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SE 1/4 sec.11, T.56 N., R.25 W., Livingston County, MO, Hydrologic Unit 10280101,
REVISIONS HISTORY - Revisions: Land-surface datum was updated to 704.83 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 695 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 704.83 ft above North American Vertical Datum of 1988. Measuring point: unknown, 4.3 ft above land-surface datum, Apr. 14, 2010 to present.  
GAGE - From April 14, 2010 to present, the water level recording device is a DCP with telemetry capability. From April 14, 2010 to present, the water level measuring device is a float driven encoder setting on top of the recorder shelf on top of the casing.
COOPERATION - From April 14, 2010 to present water level data furnished by the Missouri Department of Natural Resources (MDNR). From April 14, 2010 to present, water level data processed by USGS and MDNR.
REMARKS -

The float has tendency to frequently stick in the well. When the float becomes free, the jumps in the hydrograph are typically less than 0.2 ft. The record from 04/14/2010 to 11/17/2010 is good based on 5 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.1 ft. The record from 11/17/2010 to 05/23/2011 is good based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.1 ft. The record from 05/24/2011 to 08/13/2012 is good based on 4 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.1 ft. The record from 08/14/2012 to 11/13/2013 is good based on 5 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.1ft. The record from 11/14/2013 to 12/15/2014 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 12/16/2014 to 06/28/2016 is fair based on 3 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft. During the colder months (December - March) the float frequently gets stuck and then breaks loose resulting in jumps typically less than 0.30 ft. During these months the record is rated poor due to the frequency of which the float becomes stuck, and the accuracy of the recorded data during these months is +/- 0.40 ft. The record from 06/29/2016 to 03/15/2017 is fair based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft. During the colder months (November - March) the float frequently gets stuck and then breaks loose resulting in jumps typically less than 0.30 ft. During these months the record is rated poor due to the frequency of which the float becomes stuck, and the accuracy of the recorded data during these months is +/- 0.40 ft. The record from 03/16/2017 to 04/15/2018 is fair based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.05 ft. During the colder months (November - March) the float frequently gets stuck and then breaks loose resulting in jumps typically less than 0.03 ft. During these months the record is rated poor due to the frequency of which the float becomes stuck, and the accuracy of the recorded data during these months is +/- 0.40 ft. The record from 04/16/2018 to 10/24/2018 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 10/25/2018 to 04/16/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.35 ft. The record from 04/17/2019 to 10/07/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.10 ft. 

All later correction notes and remarks can be found in RMS as of 10/08/2019.

PERIOD OF DAILY RECORD - From April 14, 2010 to present.