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Groundwater levels for the Nation

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Agency code = usgs
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  • 404401073322003
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USGS 404401073322003 N 8550. 2

Nassau County, New York
Latitude  40°44'01", Longitude  73°32'20" NAD27
Land-surface elevation 103.0 feet above NGVD29
The depth of the well is 61 feet below land surface.
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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
1973-08-1414:30 UTCm62610 68.95NGVD291OUSGSSA
1973-08-1414:30 UTCm62611 67.76NAVD881OUSGSSA
1973-08-1414:30 UTCm7201934.05  1OUSGSSA
1973-08-2114:50 UTCm62610 68.84NGVD291OUSGSSA
1973-08-2114:50 UTCm62611 67.65NAVD881OUSGSSA
1973-08-2114:50 UTCm7201934.16  1OUSGSSA
1973-08-2814:35 UTCm62610 68.63NGVD291OUSGSSA
1973-08-2814:35 UTCm62611 67.44NAVD881OUSGSSA
1973-08-2814:35 UTCm7201934.37  1OUSGSSA
1973-09-0415:15 UTCm62610 68.36NGVD291OUSGSSA
1973-09-0415:15 UTCm62611 67.17NAVD881OUSGSSA
1973-09-0415:15 UTCm7201934.64  1OUSGSSA
1973-09-1115:00 UTCm62610 68.18NGVD291OUSGSSA
1973-09-1115:00 UTCm62611 66.99NAVD881OUSGSSA
1973-09-1115:00 UTCm7201934.82  1OUSGSSA
1973-09-1816:00 UTCm62610 68.14NGVD291OUSGSSA
1973-09-1816:00 UTCm62611 66.95NAVD881OUSGSSA
1973-09-1816:00 UTCm7201934.86  1OUSGSSA
1973-09-2016:00 UTCm62610 68.01NGVD291OUSGSSA
1973-09-2016:00 UTCm62611 66.82NAVD881OUSGSSA
1973-09-2016:00 UTCm7201934.99  1OUSGSSA
1973-09-2514:55 UTCm62610 67.86NGVD291OUSGSSA
1973-09-2514:55 UTCm62611 66.67NAVD881OUSGSSA
1973-09-2514:55 UTCm7201935.14  1OUSGSSA
1973-10-0214:45 UTCm62610 67.72NGVD291OUSGSSA
1973-10-0214:45 UTCm62611 66.53NAVD881OUSGSSA
1973-10-0214:45 UTCm7201935.28  1OUSGSSA
1973-10-0915:00 UTCm62610 67.55NGVD291OUSGSSA
1973-10-0915:00 UTCm62611 66.36NAVD881OUSGSSA
1973-10-0915:00 UTCm7201935.45  1OUSGSSA
1973-10-2315:25 UTCm62610 67.20NGVD291OUSGSSA
1973-10-2315:25 UTCm62611 66.01NAVD881OUSGSSA
1973-10-2315:25 UTCm7201935.80  1OUSGSSA
1973-11-2015:35 UTCm62610 66.67NGVD291OUSGSSA
1973-11-2015:35 UTCm62611 65.48NAVD881OUSGSSA
1973-11-2015:35 UTCm7201936.33  1OUSGSSA
1973-12-2416:15 UTCm62610 66.65NGVD291OUSGSSA
1973-12-2416:15 UTCm62611 65.46NAVD881OUSGSSA
1973-12-2416:15 UTCm7201936.35  1OUSGSSA
1974-01-2216:00 UTCm62610 67.16NGVD291OUSGSSA
1974-01-2216:00 UTCm62611 65.97NAVD881OUSGSSA
1974-01-2216:00 UTCm7201935.84  1OUSGSSA
1974-02-2616:35 UTCm62610 67.32NGVD291OUSGSSA
1974-02-2616:35 UTCm62611 66.13NAVD881OUSGSSA
1974-02-2616:35 UTCm7201935.68  1OUSGSSA
1974-03-2615:15 UTCm62610 67.37NGVD291OUSGSSA
1974-03-2615:15 UTCm62611 66.18NAVD881OUSGSSA
1974-03-2615:15 UTCm7201935.63  1OUSGSSA
1974-05-0714:00 UTCm62610 68.11NGVD291OUSGSSA
1974-05-0714:00 UTCm62611 66.92NAVD881OUSGSSA
1974-05-0714:00 UTCm7201934.89  1OUSGSSA
1974-06-1415:40 UTCm62610 67.55NGVD291OUSGSSA
1974-06-1415:40 UTCm62611 66.36NAVD881OUSGSSA
1974-06-1415:40 UTCm7201935.45  1OUSGSSA
1974-07-0214:25 UTCm62610 67.26NGVD291OUSGSSA
1974-07-0214:25 UTCm62611 66.07NAVD881OUSGSSA
1974-07-0214:25 UTCm7201935.74  1OUSGSSA
1974-08-0613:40 UTCm62610 66.39NGVD291OUSGSSA
1974-08-0613:40 UTCm62611 65.20NAVD881OUSGSSA
1974-08-0613:40 UTCm7201936.61  1OUSGSSA
1974-09-0313:55 UTCm62610 66.12NGVD291OUSGSSA
1974-09-0313:55 UTCm62611 64.93NAVD881OUSGSSA
1974-09-0313:55 UTCm7201936.88  1OUSGSSA
1974-10-0113:55 UTCm62610 66.01NGVD291OUSGSSA
1974-10-0113:55 UTCm62611 64.82NAVD881OUSGSSA
1974-10-0113:55 UTCm7201936.99  1OUSGSSA
1974-11-04 D62610 65.70NGVD291OUSGSSA
1974-11-04 D62611 64.51NAVD881OUSGSSA
1974-11-04 D7201937.30  1OUSGSSA
1974-12-03 D62610 65.40NGVD291OUSGSSA
1974-12-03 D62611 64.21NAVD881OUSGSSA
1974-12-03 D7201937.60  1OUSGSSA
1975-01-07 D62610 65.73NGVD291OUSGSSA
1975-01-07 D62611 64.54NAVD881OUSGSSA
1975-01-07 D7201937.27  1OUSGSSA
1975-02-04 D62610 66.08NGVD291OUSGSSA
1975-02-04 D62611 64.89NAVD881OUSGSSA
1975-02-04 D7201936.92  1OUSGSSA
1975-03-04 D62610 66.51NGVD291OUSGSSA
1975-03-04 D62611 65.32NAVD881OUSGSSA
1975-03-04 D7201936.49  1OUSGSSA
1975-03-21 D62610 66.92NGVD291OUSGSSA
1975-03-21 D62611 65.73NAVD881OUSGSSA
1975-03-21 D7201936.08  1OUSGSSA
1975-04-01 D62610 66.94NGVD291OUSGSSA
1975-04-01 D62611 65.75NAVD881OUSGSSA
1975-04-01 D7201936.06  1OUSGSSA
1975-05-07 D62610 68.36NGVD291OUSGSSA
1975-05-07 D62611 67.17NAVD881OUSGSSA
1975-05-07 D7201934.64  1OUSGSSA
1975-06-03 D62610 67.62NGVD291OUSGSSA
1975-06-03 D62611 66.43NAVD881OUSGSSA
1975-06-03 D7201935.38  1OUSGSSA
1975-06-11 D62610 67.61NGVD291OUSGSSA
1975-06-11 D62611 66.42NAVD881OUSGSSA
1975-06-11 D7201935.39  1OUSGSSA

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