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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 430804071260301
Minimum number of levels = 1
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USGS 430804071260301 NH-AFA 6

Merrimack County, New Hampshire
Latitude  43°08'04", Longitude  71°26'03" NAD27
Land-surface elevation 280.0 feet above NGVD29
The depth of the hole is 91.0 feet below land surface.
Output formats
Table of data
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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
1964-10-21 D62610 261.75NGVD291ZUSGSSA
1964-10-21 D62611 261.11NAVD881ZUSGSSA
1964-10-21 D7201918.25  1ZUSGSSA

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 measurementZOther.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.