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Groundwater levels for the Nation

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Agency code = usgs
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  • 412947073131801
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USGS 412947073131801 CT-SB 37

New Haven County, Connecticut
Latitude  41°29'47", Longitude  73°13'18" NAD27
Land-surface elevation 191 feet above NGVD29
The depth of the well is 21.5 feet below land surface.
The depth of the hole is 21.5 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 Drift, Stratified (112DFSF) 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
1986-04-15 D62610 183.15NGVD291SUSGSSA
1986-04-15 D62611 182.21NAVD881SUSGSSA
1986-04-15 D720197.85  1SUSGSSA
1986-08-2218:35 UTCm62610 181.50NGVD291OUSGSSA
1986-08-2218:35 UTCm62611 180.56NAVD881OUSGSSA
1986-08-2218:35 UTCm720199.50  1OUSGSSA
1987-06-24 D62610 182.70NGVD291S  A
1987-06-24 D62611 181.76NAVD881S  A
1987-06-24 D720198.30  1S  A
1987-08-03 D62610 181.70NGVD291S  A
1987-08-03 D62611 180.76NAVD881S  A
1987-08-03 D720199.30  1S  A
1987-08-25 D62610 181.30NGVD291S  A
1987-08-25 D62611 180.36NAVD881S  A
1987-08-25 D720199.70  1S  A
1987-09-23 D62610 182.80NGVD291S  A
1987-09-23 D62611 181.86NAVD881S  A
1987-09-23 D720198.20  1S  A
1987-10-20 D62610 182.50NGVD291S  A
1987-10-20 D62611 181.56NAVD881S  A
1987-10-20 D720198.50  1S  A
1987-11-18 D62610 182.50NGVD291S  A
1987-11-18 D62611 181.56NAVD881S  A
1987-11-18 D720198.50  1S  A
1988-02-16 D62610 183.40NGVD291S  A
1988-02-16 D62611 182.46NAVD881S  A
1988-02-16 D720197.60  1S  A
1988-03-17 D62610 184.08NGVD291S  A
1988-03-17 D62611 183.14NAVD881S  A
1988-03-17 D720196.92  1S  A
1988-04-26 D62610 183.11NGVD291S  A
1988-04-26 D62611 182.17NAVD881S  A
1988-04-26 D720197.89  1S  A
1988-05-23 D62610 183.03NGVD291S  A
1988-05-23 D62611 182.09NAVD881S  A
1988-05-23 D720197.97  1S  A
1988-06-28 D62610 181.88NGVD291S  A
1988-06-28 D62611 180.94NAVD881S  A
1988-06-28 D720199.12  1S  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 measurementSSteel-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.