USGS Water-Year Summary for Site 384832093192501

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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

384832093192501 Sedalia

Ozark Plateaus aquifer system
Cambrian System

LOCATION - Lat 38°48'27.4", long 93°19'24.1" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 SW 1/4 sec.34, T.47 N., R.22 W., Pettis County, MO, Hydrologic Unit 10300103,

REVISIONS HISTORY - Revisions: Land-surface datum was updated to 824.55 ft NAVD88 on May 22, 2023, as determined by a GNSS survey by Missouri DNR. Land-surface datum was previously published as 824 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 824.55 ft above North American Vertical Datum of 1988. Measuring point: unknown, 2.9 ft above land-surface datum, May. 6, 1971 to present.

PERIOD OF RECORD - January 13, 1973 to present.

GAGE - Stevens model A-35 chart recorder installed January 12, 1973. April 24, 2001 to present; DCP with float, encoder, and telemetry capability installed as the water level recording and measuring devices.

COOPERATION - Data furnished by Missouri Department of Natural Resources (MDNR); Record from January 13, 1973 to April 24, 2001 furnished from MDNR. Record from April 24, 2001 to present processed by USGS and MDNR.

REMARKS - Furnished record rated fair (January 13, 1973 to April 23, 2001)because no water level measurements are available to verify the computed daily values. The field data have been archived by Missouri Department of Natural Resources (MDNR) and is not available for verification. Data from 04/24/2001 to 09/30/2008 has been processed by the USGS with limited field water level measurements (11 measurements) during the period to verify the recorded water levels. This record is considered fair. Data from 10/01/2008 to 07/28/2009 is good based on 3 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft. Data from July 28, 2009 to August 11, 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. Data from 08/11/2010 to 07/26/2011 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 07/26/2011 to 09/04/2012 is good based on 3 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.05 ft. All threee measurements were made prior to resetting the gage or when the gage was inoperable making it difficult to verify the accuracy of the record, but the site historically has had a stable water level measuring device. Data from 09/05/2012 to 11/12/2013 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 11/13/2013 to 11/23/2014 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 11/24/2014 to 05/17/2016 is fair based on 4 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.25 ft. The float has a tendency to get stuck for several hours at a time and then break free, causing jumps in the hydrograph. The record from 05/18/2016 to 11/29/2016 is fair based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.25 ft. The float has a tendency to get stuck for several hours at a time and then break free, causing jumps in the hydrograph. The record from 11/30/2016 to 01/22/2018 is fair based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.25 ft. The float has a tendency to get stuck for several hours at a time and then break free, causing jumps in the hydrograph. The record from 01/23/2018 to 10/29/2018 is fair based on 2 water level measurements made during the period to verify the recorded data and is accurate to +/- 0.30 ft. The float has a tendency to get stuck for several hours at a time and then break free, causing jumps in the hydrograph. The record from 10/30/2018 to 04/16/2019 is fair based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The float has a tendency to get stuck for several hours at a time and then break free, causing jumps in the hydrograph. The record from 04/17/2019 to 11/19/2019 is fair based on 1 water level measurement made during the period to verify the recorded data and is accurate to +/- 0.10 ft. The float has a tendency to get stuck for several hours at a time and then break free, causing jumps in the hydrograph.

All later correction notes and remarks can be found in RMS as of 11/20/2019.