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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 391456076345001
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USGS 391456076345001 4S2E-6

Baltimore City, Maryland
Latitude  39°14'56.16", Longitude  76°34'50.72" NAD83
Land-surface elevation 6.88 feet above NAVD88
The depth of the well is 185 feet below land surface.
The depth of the hole is 310 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 Patuxent Formation (217PTXN) 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
2013-10-3114:52 UTCm62610 0.61NGVD291TMD006AA
2013-10-3114:52 UTCm62611 -0.17NAVD881TMD006AA
2013-10-3114:52 UTCm720197.05  1TMD006AA
2015-10-0115:05 UTCm62610 0.59NGVD291TMD006AA
2015-10-0115:05 UTCm62611 -0.19NAVD881TMD006AA
2015-10-0115:05 UTCm720197.07  1TMD006AA
2016-10-0617:07 UTCm62610 1.69NGVD291TMD006AA
2016-10-0617:07 UTCm62611 0.91NAVD881TMD006AA
2016-10-0617:07 UTCm720195.97  1TMD006AA
2017-10-0214:00 UTCm62610 1.87NGVD291TMD006AA
2017-10-0214:00 UTCm62611 1.09NAVD881TMD006AA
2017-10-0214:00 UTCm720195.79  1TMD006AA
2018-09-1014:17 UTCm62610 2.77NGVD291TMD006AA
2018-09-1014:17 UTCm62611 1.99NAVD881TMD006AA
2018-09-1014:17 UTCm720194.89  1TMD006AA
2019-09-2314:34 UTCm62610 1.98NGVD291TMD006AA
2019-09-2314:34 UTCm62611 1.20NAVD881TMD006AA
2019-09-2314:34 UTCm720195.68  1TMD006AA
2020-10-0114:17 UTCm62610 1.70NGVD291VMD006AA
2020-10-0114:17 UTCm62611 0.92NAVD881VMD006AA
2020-10-0114:17 UTCm720195.96  1VMD006AA
2021-09-2913:45 UTCm62610 0.51NGVD291VMD006AA
2021-09-2913:45 UTCm62611 -0.27NAVD881VMD006AA
2021-09-2913:45 UTCm720197.15  1VMD006AA
2022-09-2113:34 UTCm62610 2.01NGVD291VMD006AA
2022-09-2113:34 UTCm62611 1.23NAVD881VMD006AA
2022-09-2113:34 UTCm720195.65  1VMD006AA
2023-10-0414:11 UTCm62610 2.23NGVD291VMD006AA
2023-10-0414:11 UTCm62611 1.45NAVD881VMD006AA
2023-10-0414:11 UTCm720195.43  1VMD006AA
2024-09-3015:08 UTCm62610 2.49NGVD291VMD006AP
2024-09-3015:08 UTCm62611 1.71NAVD881VMD006AP
2024-09-3015:08 UTCm720195.17  1VMD006AP

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.
Water-level approval statusPProvisional data subject to revision.