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Groundwater levels for the Nation

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USGS 422633071201201 MA-CTW 241

Middlesex County, Massachusetts
Latitude  42°26'33", Longitude  71°20'12" NAD27
Land-surface elevation 205.93 feet above NGVD29
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
1987-12-02 D62610 188.43NGVD291L  A
1987-12-02 D62611 187.58NAVD881L  A
1987-12-02 D7201917.50  1L  A
1998-08-2516:10 UTCm62610 161.52NGVD291TUSGSSA
1998-08-2516:10 UTCm62611 160.67NAVD881TUSGSSA
1998-08-2516:10 UTCm7201944.41  1TUSGSSA
1998-09-2518:05 UTCm62610 160.73NGVD291TUSGSSA
1998-09-2518:05 UTCm62611 159.88NAVD881TUSGSSA
1998-09-2518:05 UTCm7201945.20  1TUSGSSA
1998-10-2114:00 UTCm62610 160.68NGVD291TUSGSSA
1998-10-2114:00 UTCm62611 159.83NAVD881TUSGSSA
1998-10-2114:00 UTCm7201945.25  1TUSGSSA
1998-11-0420:00 UTCm62610 160.27NGVD291TUSGSSA
1998-11-0420:00 UTCm62611 159.42NAVD881TUSGSSA
1998-11-0420:00 UTCm7201945.66  1TUSGSSA
1998-12-2318:20 UTCm62610 159.28NGVD291TUSGSSA
1998-12-2318:20 UTCm62611 158.43NAVD881TUSGSSA
1998-12-2318:20 UTCm7201946.65  1TUSGSSA
1999-03-23 D62610 159.78NGVD291TUSGSSA
1999-03-23 D62611 158.93NAVD881TUSGSSA
1999-03-23 D7201946.15  1TUSGSSA
1999-04-30 D62610 159.54NGVD291TUSGSSA
1999-04-30 D62611 158.69NAVD881TUSGSSA
1999-04-30 D7201946.39  1TUSGSSA
1999-05-28 D62610 159.25NGVD291TUSGSSA
1999-05-28 D62611 158.40NAVD881TUSGSSA
1999-05-28 D7201946.68  1TUSGSSA
1999-07-19 D62610 158.39NGVD291TUSGSSA
1999-07-19 D62611 157.54NAVD881TUSGSSA
1999-07-19 D7201947.54  1TUSGSSA
1999-08-25 D62610 157.68NGVD291TUSGSSA
1999-08-25 D62611 156.83NAVD881TUSGSSA
1999-08-25 D7201948.25  1TUSGSSA

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
Method of measurementLInterpreted from geophysical logs.
Method of measurementTElectric-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.