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Groundwater levels for the Nation

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Agency code = usgs
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  • 425546071030701
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USGS 425546071030701 NH-KTW 45

Rockingham County, New Hampshire
Latitude  42°55'46", Longitude  71°03'07" NAD27
Land-surface elevation 140 feet above NGVD29
The depth of the well is 30.0 feet below land surface.
The depth of the hole is 32.5 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Stratified Deposits, Undifferentiated (112SRFD) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
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
1987-01-08 D62610 131.75NGVD291TUSGSSA
1987-01-08 D62611 131.33NAVD881TUSGSSA
1987-01-08 D720198.25  1TUSGSSA
1987-04-1519:00 UTCm62610 134.80NGVD291OUSGSSA
1987-04-1519:00 UTCm62611 134.38NAVD881OUSGSSA
1987-04-1519:00 UTCm720195.20  1OUSGSSA
1987-10-14 D62610 130.27NGVD291T  A
1987-10-14 D62611 129.85NAVD881T  A
1987-10-14 D720199.73  1T  A

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 measurementOObserved.
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.