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Groundwater levels for the Nation

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Agency code = usgs
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  • 383419077014801
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USGS 383419077014801 CH Cd 37

Charles County, Maryland
Latitude  38°34'14.37", Longitude  77°01'41.82" NAD27
Land-surface elevation 190.17 feet above NGVD29
The depth of the well is 509 feet below land surface.
The depth of the hole is 546 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 Patapsco Formation (217PPSC) local aquifer.
Output formats
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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
1970-08-14 D62610 51.17NGVD291L  A
1970-08-14 D62611 50.36NAVD881L  A
1970-08-14 D72019139.00  1L  A
2019-04-2517:18 UTCm62610 -82.64NGVD291V  A
2019-04-2517:18 UTCm62611 -83.45NAVD881V  A
2019-04-2517:18 UTCm72019272.81  1V  A
2019-09-1316:42 UTCm62610 -80.69NGVD291VUSGSSA
2019-09-1316:42 UTCm62611 -81.50NAVD881VUSGSSA
2019-09-1316:42 UTCm72019270.86  1VUSGSSA
2020-09-1616:02 UTCm62610 -79.86NGVD291VMD006AA
2020-09-1616:02 UTCm62611 -80.67NAVD881VMD006AA
2020-09-1616:02 UTCm72019270.03  1VMD006AA
2021-04-2917:58 UTCm62610 -80.35NGVD291VMD006AA
2021-04-2917:58 UTCm62611 -81.16NAVD881VMD006AA
2021-04-2917:58 UTCm72019270.52  1VMD006AA
2021-10-0116:21 UTCm62610 -69.47NGVD291VMD006AA
2021-10-0116:21 UTCm62611 -70.28NAVD881VMD006AA
2021-10-0116:21 UTCm72019259.64  1VMD006AA
2022-04-2916:21 UTCm62610 -69.95NGVD29PVMD006AA
2022-04-2916:21 UTCm62611 -70.76NAVD88PVMD006AA
2022-04-2916:21 UTCm72019260.12  PVMD006AA
2022-09-0714:57 UTCm62610 -66.73NGVD291VMD006AA
2022-09-0714:57 UTCm62611 -67.54NAVD881VMD006AA
2022-09-0714:57 UTCm72019256.90  1VMD006AA
2023-05-1014:30 UTCm62610 -67.71NGVD291VMD006AA
2023-05-1014:30 UTCm62611 -68.52NAVD881VMD006AA
2023-05-1014:30 UTCm72019257.88  1VMD006AA
2023-09-0506:22 UTCm62610 -66.26NGVD291VMD006AA
2023-09-0506:22 UTCm62611 -67.07NAVD881VMD006AA
2023-09-0506:22 UTCm72019256.43  1VMD006AA
2024-04-2517:07 UTCm62610 -66.90NGVD291VMD006AA
2024-04-2517:07 UTCm62611 -67.71NAVD881VMD006AA
2024-04-2517:07 UTCm72019257.07  1VMD006AA
2024-09-1815:52 UTCm62610 -70.61NGVD291VMD006AP
2024-09-1815:52 UTCm62611 -71.42NAVD881VMD006AP
2024-09-1815:52 UTCm72019260.78  1VMD006AP

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 measurementVCalibrated electric-tape measurement.
Measuring agencyNot determined
Measuring agencyMD006Maryland Geological Survey
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.
Water-level approval statusPProvisional data subject to revision.