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Groundwater levels for the Nation

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  • 382312076415901
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USGS 382312076415901 SM Cc 31

St. Mary'S County, Maryland
Latitude  38°23'12", Longitude  76°41'59" NAD83
Land-surface elevation 82.48 feet above NAVD88
The depth of the well is 881 feet below land surface.
The depth of the hole is 920 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 Upper Patapsco Aquifer In the Patapsco Formation (217PPSCU) local aquifer.
Output formats
Table of data
Tab-separated data
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Reselect period
Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
2006-03-24 D62610 -62.63NGVD291L  A
2006-03-24 D62611 -63.52NAVD881L  A
2006-03-24 D72019146.00  1L  A
2016-09-1518:40 UTCm62610 -82.15NGVD291SMD006AA
2016-09-1518:40 UTCm62611 -83.04NAVD881SMD006AA
2016-09-1518:40 UTCm72019165.52  1SMD006AA
2017-04-2715:22 UTCm62610 -80.59NGVD291SMD006AA
2017-04-2715:22 UTCm62611 -81.48NAVD881SMD006AA
2017-04-2715:22 UTCm72019163.96  1SMD006AA
2017-09-2618:22 UTCm62610 -85.08NGVD291SMD006AA
2017-09-2618:22 UTCm62611 -85.97NAVD881SMD006AA
2017-09-2618:22 UTCm72019168.45  1SMD006AA
2018-04-2618:31 UTCm62610 -81.03NGVD291SMD006AA
2018-04-2618:31 UTCm62611 -81.92NAVD881SMD006AA
2018-04-2618:31 UTCm72019164.40  1SMD006AA
2018-10-0317:59 UTCm62610 -82.60NGVD291SMD006AA
2018-10-0317:59 UTCm62611 -83.49NAVD881SMD006AA
2018-10-0317:59 UTCm72019165.97  1SMD006AA
2019-04-2315:54 UTCm62610 -82.45NGVD291SMD006AA
2019-04-2315:54 UTCm62611 -83.34NAVD881SMD006AA
2019-04-2315:54 UTCm72019165.82  1SMD006AA
2019-09-2514:33 UTCm62610 -89.16NGVD291SMD006AA
2019-09-2514:33 UTCm62611 -90.05NAVD881SMD006AA
2019-09-2514:33 UTCm72019172.53  1SMD006AA
2020-05-2715:46 UTCm62610 -84.89NGVD291SMD006AA
2020-05-2715:46 UTCm62611 -85.78NAVD881SMD006AA
2020-05-2715:46 UTCm72019168.26  1SMD006AA
2020-09-1714:09 UTCm62610 -85.80NGVD291SMD006AA
2020-09-1714:09 UTCm62611 -86.69NAVD881SMD006AA
2020-09-1714:09 UTCm72019169.17  1SMD006AA
2021-04-2615:47 UTCm62610 -83.79NGVD291SMD006AA
2021-04-2615:47 UTCm62611 -84.68NAVD881SMD006AA
2021-04-2615:47 UTCm72019167.16  1SMD006AA
2021-09-1416:15 UTCm62610 -87.62NGVD291SMD006AA
2021-09-1416:15 UTCm62611 -88.51NAVD881SMD006AA
2021-09-1416:15 UTCm72019170.99  1SMD006AA
2022-04-2714:50 UTCm62610 -83.77NGVD291SMD006AA
2022-04-2714:50 UTCm62611 -84.66NAVD881SMD006AA
2022-04-2714:50 UTCm72019167.14  1SMD006AA
2022-09-2019:04 UTCm62610 -85.57NGVD29PSMD006AA
2022-09-2019:04 UTCm62611 -86.46NAVD88PSMD006AA
2022-09-2019:04 UTCm72019168.94  PSMD006AA
2023-09-1213:29 UTCm62610 -88.61NGVD291SMD006AA
2023-09-1213:29 UTCm62611 -89.50NAVD881SMD006AA
2023-09-1213:29 UTCm72019171.98  1SMD006AA
2024-04-1712:50 UTCm62610 -83.61NGVD291SMD006AP
2024-04-1712:50 UTCm62611 -84.50NAVD881SMD006AP
2024-04-1712:50 UTCm72019166.98  1SMD006AP
2024-09-2513:13 UTCm62610 -89.56NGVD291SMD006AP
2024-09-2513:13 UTCm62611 -90.45NAVD881SMD006AP
2024-09-2513:13 UTCm72019172.93  1SMD006AP

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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
StatusPWater level was affected by pumping at the time of the measurement
Method of measurementLInterpreted from geophysical logs.
Method of measurementSSteel-tape measurement.
Measuring agencyNot determined
Measuring agencyMD006Maryland Geological Survey
Source of measurementNot determined
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.
Water-level approval statusPProvisional data subject to revision.