USGS Water-Year Summary 2023

372202094370202 Asbury Ozark Aquifer

Ozark Plateaus aquifer system
Cotter-Jefferson City Dolomite

LOCATION - Lat 37°22'02.1", long 94°37'02.5" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 sec.07, T.30 N., R.33 W., Barton County, MO, Hydrologic Unit 11070207,

REVISIONS HISTORY - Revisions: Land-surface datum was updated to 924.88 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 925 ft NGVD29 from a topographic map. Discrete water-level measurements prior to May 22, 2023, are referenced to the original datum.

GROUNDWATER RECORDS

DATUM - Land-surface datum is 924.88 ft above North American Vertical Datum of 1988. Measuring point: DNR DCP platform, 2.2 ft above land-surface datum, May. 21, 2007 to present.  

PERIOD OF RECORD - July 25, 2007 to present. Gage was installed on July 24, 2007.

COOPERATION - Data furnished by Missouri Department of Natural Resources (MDNR).

REMARKS - Data from July 25, 2007 to September 30,2008 considered good and accurate to +/- 0.1 ft. Five water level measurement were made during this period to verify recorded water levels. Data from october 01, 2008 to October 07, 2009 is good based on 5 water level measurements used to verify the recorded data and is accurate to +/- 0.1 ft. The record from 10/07/2009 to 08/17/2010 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 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. The record from 08/16/2011 to 07/31/2012 is good based on 6 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 08/01/2012 to 06/18/2013 is good based on 5 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 06/19/2013 to 12/08/2014 is good based on 5 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 12/09/2014 to 08/18/2015 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 08/19/2015 to 04/20/2016 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 04/21/2016 to 10/11/2016 is good based on 3 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 10/12/2016 to 05/08/2017 is good based on 1 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 05/08/2017 to 11/27/2017 is fair based on 1 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.20 ft. The record from 11/28/2017 to 03/27/2018 is good based on 1 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 03/28/2018 to 09/17/2018 is fair based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.40 ft. The record 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 +/- 0.10 ft. The record from 01/09/2019 to 06/04/2019 is good based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The record from 06/05/2019 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 +/- 0.10 ft. The record from 06/26/2019 to 01/14/2020 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 further remarks can be found in RMS as of 01/15/2020.