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Groundwater levels for the Nation

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Agency code = usgs
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  • 421122071280902
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USGS 421122071280902 MA-HTW 47

Middlesex County, Massachusetts
Latitude  42°11'22", Longitude  71°28'09" NAD83
Land-surface elevation 242.75 feet above NAVD88
Output formats
Table of 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
1999-10-28 D62610 239.19NGVD291T  A
1999-10-28 D62611 238.66NAVD881T  A
1999-10-28 D720194.09  1T  A
1999-11-15 D62610 239.25NGVD291T  A
1999-11-15 D62611 238.72NAVD881T  A
1999-11-15 D720194.03  1T  A
1999-12-28 D62610 239.19NGVD291T  A
1999-12-28 D62611 238.66NAVD881T  A
1999-12-28 D720194.09  1T  A
2000-01-19 D62610 239.47NGVD291T  A
2000-01-19 D62611 238.94NAVD881T  A
2000-01-19 D720193.81  1T  A
2000-02-16 D62610 239.90NGVD291T  A
2000-02-16 D62611 239.37NAVD881T  A
2000-02-16 D720193.38  1T  A
2000-03-15 D62610 239.70NGVD291T  A
2000-03-15 D62611 239.17NAVD881T  A
2000-03-15 D720193.58  1T  A
2000-04-18 D62610 239.53NGVD291T  A
2000-04-18 D62611 239.00NAVD881T  A
2000-04-18 D720193.75  1T  A
2000-05-17 D62610 239.53NGVD291T  A
2000-05-17 D62611 239.00NAVD881T  A
2000-05-17 D720193.75  1T  A
2000-06-21 D62610 239.14NGVD291T  A
2000-06-21 D62611 238.61NAVD881T  A
2000-06-21 D720194.14  1T  A
2000-07-19 D62610 238.59NGVD291T  A
2000-07-19 D62611 238.06NAVD881T  A
2000-07-19 D720194.69  1T  A
2000-08-28 D62610 238.61NGVD291T  A
2000-08-28 D62611 238.08NAVD881T  A
2000-08-28 D720194.67  1T  A
2000-09-25 D62610 238.72NGVD291T  A
2000-09-25 D62611 238.19NAVD881T  A
2000-09-25 D720194.56  1T  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.