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Groundwater levels for the Nation

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Agency code = usgs
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  • 381616076384502
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USGS 381616076384502 SM Dd 74

St. Mary'S County, Maryland
Latitude  38°16'16", Longitude  76°38'45" NAD83
Land-surface elevation 20 feet above NGVD29
The depth of the well is 395 feet below land surface.
The depth of the hole is 395 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Nanjemoy Formation (124NNJM) local aquifer.
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Date Time
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Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
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Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
2009-04-3017:05 UTCm62610 -74.12NGVD291TMD006AA
2009-04-3017:05 UTCm62611 -75.07NAVD881TMD006AA
2009-04-3017:05 UTCm7201994.12  1TMD006AA
2009-09-2119:50 UTCm62610 -76.48NGVD291TMD006AA
2009-09-2119:50 UTCm62611 -77.43NAVD881TMD006AA
2009-09-2119:50 UTCm7201996.48  1TMD006AA
2010-04-2715:35 UTCm62610 -73.76NGVD291TMD006AA
2010-04-2715:35 UTCm62611 -74.71NAVD881TMD006AA
2010-04-2715:35 UTCm7201993.76  1TMD006AA
2010-10-0716:42 UTCm62610 -78.53NGVD291TMD006AA
2010-10-0716:42 UTCm62611 -79.48NAVD881TMD006AA
2010-10-0716:42 UTCm7201998.53  1TMD006AA
2011-05-1117:00 UTCm62610 -74.70NGVD291TMD006AA
2011-05-1117:00 UTCm62611 -75.65NAVD881TMD006AA
2011-05-1117:00 UTCm7201994.70  1TMD006AA
2011-09-2715:20 UTCm62610 -77.32NGVD291TMD006AA
2011-09-2715:20 UTCm62611 -78.27NAVD881TMD006AA
2011-09-2715:20 UTCm7201997.32  1TMD006AA
2012-04-1616:43 UTCm62610 -76.70NGVD291TMD006AA
2012-04-1616:43 UTCm62611 -77.65NAVD881TMD006AA
2012-04-1616:43 UTCm7201996.70  1TMD006AA
2012-09-2416:03 UTCm62610 -80.68NGVD291TMD006AA
2012-09-2416:03 UTCm62611 -81.63NAVD881TMD006AA
2012-09-2416:03 UTCm72019100.68  1TMD006AA
2013-04-1115:41 UTCm62610 -77.12NGVD291TMD006AA
2013-04-1115:41 UTCm62611 -78.07NAVD881TMD006AA
2013-04-1115:41 UTCm7201997.12  1TMD006AA
2013-09-1216:15 UTCm62610 -79.96NGVD291TMD006AA
2013-09-1216:15 UTCm62611 -80.91NAVD881TMD006AA
2013-09-1216:15 UTCm7201999.96  1TMD006AA
2014-04-2315:55 UTCm62610 -77.50NGVD291TMD006AA
2014-04-2315:55 UTCm62611 -78.45NAVD881TMD006AA
2014-04-2315:55 UTCm7201997.50  1TMD006AA
2014-09-2514:59 UTCm62610 -81.45NGVD291TMD006AA
2014-09-2514:59 UTCm62611 -82.40NAVD881TMD006AA
2014-09-2514:59 UTCm72019101.45  1TMD006AA
2015-04-2216:31 UTCm62610 -78.60NGVD291TMD006AA
2015-04-2216:31 UTCm62611 -79.55NAVD881TMD006AA
2015-04-2216:31 UTCm7201998.60  1TMD006AA
2015-09-1716:17 UTCm62610 -82.54NGVD291TMD006AA
2015-09-1716:17 UTCm62611 -83.49NAVD881TMD006AA
2015-09-1716:17 UTCm72019102.54  1TMD006AA
2016-04-2716:19 UTCm62610 -79.42NGVD291TMD006AA
2016-04-2716:19 UTCm62611 -80.37NAVD881TMD006AA
2016-04-2716:19 UTCm7201999.42  1TMD006AA
2016-09-1515:18 UTCm62610 -84.33NGVD291TMD006AA
2016-09-1515:18 UTCm62611 -85.28NAVD881TMD006AA
2016-09-1515:18 UTCm72019104.33  1TMD006AA
2017-04-2716:18 UTCm62610 -80.00NGVD291TMD006AA
2017-04-2716:18 UTCm62611 -80.95NAVD881TMD006AA
2017-04-2716:18 UTCm72019100.00  1TMD006AA
2017-09-2615:05 UTCm62610 -82.71NGVD291TMD006AA
2017-09-2615:05 UTCm62611 -83.66NAVD881TMD006AA
2017-09-2615:05 UTCm72019102.71  1TMD006AA
2018-04-2616:25 UTCm62610 -80.24NGVD291TMD006AA
2018-04-2616:25 UTCm62611 -81.19NAVD881TMD006AA
2018-04-2616:25 UTCm72019100.24  1TMD006AA
2018-10-0316:51 UTCm62610 -82.40NGVD291TMD006AA
2018-10-0316:51 UTCm62611 -83.35NAVD881TMD006AA
2018-10-0316:51 UTCm72019102.40  1TMD006AA
2019-04-2315:05 UTCm62610 -80.53NGVD291VMD006AA
2019-04-2315:05 UTCm62611 -81.48NAVD881VMD006AA
2019-04-2315:05 UTCm72019100.53  1VMD006AA
2019-09-2515:39 UTCm62610 -85.22NGVD291VMD006AA
2019-09-2515:39 UTCm62611 -86.17NAVD881VMD006AA
2019-09-2515:39 UTCm72019105.22  1VMD006AA
2020-05-2718:30 UTCm62610 -81.99NGVD291VMD006AA
2020-05-2718:30 UTCm62611 -82.94NAVD881VMD006AA
2020-05-2718:30 UTCm72019101.99  1VMD006AA
2020-09-1715:05 UTCm62610 -82.94NGVD291VMD006AA
2020-09-1715:05 UTCm62611 -83.89NAVD881VMD006AA
2020-09-1715:05 UTCm72019102.94  1VMD006AA
2021-04-2614:58 UTCm62610 -82.31NGVD291VMD006AA
2021-04-2614:58 UTCm62611 -83.26NAVD881VMD006AA
2021-04-2614:58 UTCm72019102.31  1VMD006AA
2021-09-1415:25 UTCm62610 -84.15NGVD291VMD006AA
2021-09-1415:25 UTCm62611 -85.10NAVD881VMD006AA
2021-09-1415:25 UTCm72019104.15  1VMD006AA
2022-04-2715:45 UTCm62610 -81.91NGVD291VMD006AA
2022-04-2715:45 UTCm62611 -82.86NAVD881VMD006AA
2022-04-2715:45 UTCm72019101.91  1VMD006AA
2022-09-2018:30 UTCm62610 -84.37NGVD291VMD006AA
2022-09-2018:30 UTCm62611 -85.32NAVD881VMD006AA
2022-09-2018:30 UTCm72019104.37  1VMD006AA
2023-04-1214:21 UTCm62610 -81.96NGVD291VMD006AA
2023-04-1214:21 UTCm62611 -82.91NAVD881VMD006AA
2023-04-1214:21 UTCm72019101.96  1VMD006AA
2023-09-1214:30 UTCm62610 -86.25NGVD291VMD006AA
2023-09-1214:30 UTCm62611 -87.20NAVD881VMD006AA
2023-09-1214:30 UTCm72019106.25  1VMD006AA
2024-04-1714:10 UTCm62610 -82.22NGVD291VMD006AA
2024-04-1714:10 UTCm62611 -83.17NAVD881VMD006AA
2024-04-1714:10 UTCm72019102.22  1VMD006AA
2024-09-2514:27 UTCm62610 -86.80NGVD291VMD006AA
2024-09-2514:27 UTCm62611 -87.75NAVD881VMD006AA
2024-09-2514:27 UTCm72019106.80  1VMD006AA

Explanation
SectionCodeDescription
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
Status1Static
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyMD006Maryland Geological Survey
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Water-level approval statusAApproved for publication -- Processing and review completed.