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Groundwater levels for the Nation

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Agency code = usgs
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  • 431618071293801
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USGS 431618071293801 NH-LSW 331

Merrimack County, New Hampshire
Latitude  43°16'18.2", Longitude  71°29'37.7" NAD83
Land-surface elevation 519 feet above NAVD88
The depth of the well is 15 feet below land surface.
The depth of the hole is 15.5 feet below land surface.
This well is completed in the Other aquifers (N9999OTHER) national aquifer.
This well is completed in the Till (112TILL) local aquifer.
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
2017-10-1315:58 UTCm62610 511.92NGVD291VUSGSSA
2017-10-1315:58 UTCm62611 511.36NAVD881VUSGSSA
2017-10-1315:58 UTCm720197.64  1VUSGSSA
2017-10-1920:08 UTCm62610 511.47NGVD291VUSGSSA
2017-10-1920:08 UTCm62611 510.91NAVD881VUSGSSA
2017-10-1920:08 UTCm720198.09  1VUSGSSA
2017-11-2817:00 UTCm62610 509.31NGVD291FUSGSSP
2017-11-2817:00 UTCm62611 508.75NAVD881FUSGSSP
2017-11-2817:00 UTCm7201910.25  1FUSGSSP
2017-11-2817:05 UTCm62610 513.38NGVD291VUSGSSA
2017-11-2817:05 UTCm62611 512.82NAVD881VUSGSSA
2017-11-2817:05 UTCm720196.18  1VUSGSSA
2018-02-2218:09 UTCm62610 513.70NGVD291VUSGSSA
2018-02-2218:09 UTCm62611 513.14NAVD881VUSGSSA
2018-02-2218:09 UTCm720195.86  1VUSGSSA
2018-04-1821:08 UTCm62610 514.74NGVD291VUSGSSA
2018-04-1821:08 UTCm62611 514.18NAVD881VUSGSSA
2018-04-1821:08 UTCm720194.82  1VUSGSSA
2018-04-2415:35 UTCm62610 512.61NGVD291VUSGSSA
2018-04-2415:35 UTCm62611 512.05NAVD881VUSGSSA
2018-04-2415:35 UTCm720196.95  1VUSGSSA
2018-07-1000:00 UTCm62610 510.54NGVD291VUSGSSA
2018-07-1000:00 UTCm62611 509.98NAVD881VUSGSSA
2018-07-1000:00 UTCm720199.02  1VUSGSSA
2018-07-3114:22 UTCm62610 511.42NGVD291VUSGSSA
2018-07-3114:22 UTCm62611 510.86NAVD881VUSGSSA
2018-07-3114:22 UTCm720198.14  1VUSGSSA
2018-08-0214:13 UTCm62610 512.15NGVD291VUSGSSA
2018-08-0214:13 UTCm62611 511.59NAVD881VUSGSSA
2018-08-0214:13 UTCm720197.41  1VUSGSSA
2018-08-0918:33 UTCm62610 514.75NGVD291VUSGSSA
2018-08-0918:33 UTCm62611 514.19NAVD881VUSGSSA
2018-08-0918:33 UTCm720194.81  1VUSGSSA
2018-08-1619:18 UTCm62610 514.55NGVD291VUSGSSA
2018-08-1619:18 UTCm62611 513.99NAVD881VUSGSSA
2018-08-1619:18 UTCm720195.01  1VUSGSSA
2018-10-0212:36 UTCm62610 513.36NGVD291VUSGSSA
2018-10-0212:36 UTCm62611 512.80NAVD881VUSGSSA
2018-10-0212:36 UTCm720196.20  1VUSGSSA
2018-10-2913:51 UTCm62610 512.09NGVD29PVUSGSSP
2018-10-2913:51 UTCm62611 511.53NAVD88PVUSGSSP
2018-10-2913:51 UTCm720197.47  PVUSGSSP

Explanation
SectionCodeDescription
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 measurementFTransducer.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.
Water-level approval statusPProvisional data subject to revision.