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Groundwater levels for the Nation

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  • 383042076310301
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USGS 383042076310301 CA Dc 16

Calvert County, Maryland
Latitude  38°30'42", Longitude  76°31'03" NAD27
Land-surface elevation 80 feet above NGVD29
The depth of the well is 360 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
?
 
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
1947-09-01 D62610 7.00NGVD291SUSGSSA
1947-09-01 D62611 6.21NAVD881SUSGSSA
1947-09-01 D7201973.00  1SUSGSSA
1979-04-26 D62610 -11.97NGVD291Z  A
1979-04-26 D62611 -12.76NAVD881Z  A
1979-04-26 D7201991.97  1Z  A
1980-05-01 D62610 0.58NGVD291Z  A
1980-05-01 D62611 -0.21NAVD881Z  A
1980-05-01 D7201979.42  1Z  A
1982-09-01 D62610 -21.95NGVD29PZ  A
1982-09-01 D62611 -22.74NAVD88PZ  A
1982-09-01 D72019101.95  PZ  A
1983-04-08 D62610 -11.17NGVD291Z  A
1983-04-08 D62611 -11.96NAVD881Z  A
1983-04-08 D7201991.17  1Z  A
1983-09-13 D62610 -5.75NGVD291Z  A
1983-09-13 D62611 -6.54NAVD881Z  A
1983-09-13 D7201985.75  1Z  A
1984-03-30 D62610 -3.33NGVD291Z  A
1984-03-30 D62611 -4.12NAVD881Z  A
1984-03-30 D7201983.33  1Z  A
1999-09-0915:15 UTCm62610 -19.30NGVD291SMD006AA
1999-09-0915:15 UTCm62611 -20.09NAVD881SMD006AA
1999-09-0915:15 UTCm7201999.30  1SMD006AA
2000-02-0418:17 UTCm62610 -19.52NGVD291SMD006AA
2000-02-0418:17 UTCm62611 -20.31NAVD881SMD006AA
2000-02-0418:17 UTCm7201999.52  1SMD006AA
2000-04-2014:45 UTCm62610 -19.08NGVD291SMD006AA
2000-04-2014:45 UTCm62611 -19.87NAVD881SMD006AA
2000-04-2014:45 UTCm7201999.08  1SMD006AA
2000-10-0315:10 UTCm62610 -17.70NGVD291SMD006AA
2000-10-0315:10 UTCm62611 -18.49NAVD881SMD006AA
2000-10-0315:10 UTCm7201997.70  1SMD006AA
2001-04-1914:40 UTCm62610 -18.78NGVD291SMD006AA
2001-04-1914:40 UTCm62611 -19.57NAVD881SMD006AA
2001-04-1914:40 UTCm7201998.78  1SMD006AA
2001-10-1114:30 UTCm62610 -22.79NGVD29PSMD006AA
2001-10-1114:30 UTCm62611 -23.58NAVD88PSMD006AA
2001-10-1114:30 UTCm72019102.79  PSMD006AA

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
StatusPPumping
Method of measurementSSteel-tape measurement.
Method of measurementZOther.
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.