USGS Water-Year Summary 2023

372521089362401 Jackson

Ozark Plateaus aquifer system
Champlainian Series

LOCATION - Lat 37°25'20.7", long 89°36'24.1" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 SE 1/4 sec.28, T.32 N., R.13 E., Cape Girardeau County, MO, Hydrologic Unit 07140107,

REVISIONS HISTORY - Revisions: Land-surface datum was updated to 609.70 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 600 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 609.7 ft above North American Vertical Datum of 1988. Measuring point: DNR DCP platform, 2.5 ft above land-surface datum, Aug. 21, 2007 to present.  

PERIOD OF RECORD - August 22, 2007 to present. Gage was installed on August 21, 2007.

GAGE - August 22, 2007 to present, water level recorder is telemetry DCP. August 22, 2007 to present, water level measuring device is float driven encoder. Unit values begin on August 22, 2007.

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

REMARKS - Data from August 22, 2007 to December 09, 2009 good based on 9 water level measurements used to verify sutron reading and water level. Water levels and sutron readings were usually within 0.05 feet. The record from 12/10/2009 to 08/02/2010 is good based on 3 water level measurements made during the period and is accurate to +/-0.15 ft. The record from 08/02/2010 to 06/01/2011 is good based on 4 water level measurements made during the period and is accurate to +/- 0.05 ft. The record from 06/01/2011 to 09/18/2012 is good based on 6 water level measurements made during the period and is accurate to +/- 0.05 ft. The record from 09/19/2012 to 08/18/2013 is good based on 3 water level measurements made during the period and is accurate to +/- 0.05 ft. The record from 08/19/2013 to 08/12/2014 is good based on 3 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 08/13/2014 to 06/07/2016 is good based on 4 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 06/08/2016 to 03/01/2017 is good based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.15 ft. The record from 03/02/2017 to 01/10/2018 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 01/11/2018 to 04/03/2018 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 04/04/2018 to 11/28/2018 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 11/29/2018 to 05/21/2019 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 05/22/2019 to 10/22/2019 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 10/23/2019.