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Groundwater levels for New York

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Agency code = usgs
site_no list =
  • 404900073373301
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USGS 404900073373301 N 10246. 1

Nassau County, New York
Latitude  40°49'00", Longitude  73°37'33" NAD27
Land-surface elevation 159.0 feet above NGVD29
The depth of the well is 144 feet below land surface.
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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
1990-03-2716:30 UTCm62610 58.00NGVD291OUSGSSA
1990-03-2716:30 UTCm62611 56.92NAVD881OUSGSSA
1990-03-2716:30 UTCm72019101.00  1OUSGSSA
1991-03-2017:42 UTCm62610 60.81NGVD291OUSGSSA
1991-03-2017:42 UTCm62611 59.73NAVD881OUSGSSA
1991-03-2017:42 UTCm7201998.19  1OUSGSSA
1991-11-0514:54 UTCm62610 60.16NGVD291OUSGSSA
1991-11-0514:54 UTCm62611 59.08NAVD881OUSGSSA
1991-11-0514:54 UTCm7201998.84  1OUSGSSA
1992-03-1714:03 UTCm62610 59.75NGVD294OUSGSSA
1992-03-1714:03 UTCm62611 58.67NAVD884OUSGSSA
1992-03-1714:03 UTCm7201999.25  4OUSGSSA
1992-06-0215:45 UTCm62610 59.08NGVD294OUSGSSA
1992-06-0215:45 UTCm62611 58.00NAVD884OUSGSSA
1992-06-0215:45 UTCm7201999.92  4OUSGSSA
1992-12-0918:12 UTCm62610 57.90NGVD291OUSGSSA
1992-12-0918:12 UTCm62611 56.82NAVD881OUSGSSA
1992-12-0918:12 UTCm72019101.10  1OUSGSSA
1993-03-2618:59 UTCm62610 58.24NGVD291OUSGSSA
1993-03-2618:59 UTCm62611 57.16NAVD881OUSGSSA
1993-03-2618:59 UTCm72019100.76  1OUSGSSA
1993-06-2421:23 UTCm62610 57.83NGVD294OUSGSSA
1993-06-2421:23 UTCm62611 56.75NAVD884OUSGSSA
1993-06-2421:23 UTCm72019101.17  4OUSGSSA
1993-12-2716:52 UTCm62610 56.88NGVD291OUSGSSA
1993-12-2716:52 UTCm62611 55.80NAVD881OUSGSSA
1993-12-2716:52 UTCm72019102.12  1OUSGSSA
1994-03-3018:35 UTCm62610 57.34NGVD291OUSGSSA
1994-03-3018:35 UTCm62611 56.26NAVD881OUSGSSA
1994-03-3018:35 UTCm72019101.66  1OUSGSSA
1994-06-0918:30 UTCm62610 57.47NGVD291OUSGSSA
1994-06-0918:30 UTCm62611 56.39NAVD881OUSGSSA
1994-06-0918:30 UTCm72019101.53  1OUSGSSA
1994-12-2016:47 UTCm62610 56.28NGVD291OUSGSSA
1994-12-2016:47 UTCm62611 55.20NAVD881OUSGSSA
1994-12-2016:47 UTCm72019102.72  1OUSGSSA
1995-03-1414:30 UTCm62610 55.92NGVD291OUSGSSA
1995-03-1414:30 UTCm62611 54.84NAVD881OUSGSSA
1995-03-1414:30 UTCm72019103.08  1OUSGSSA
1995-06-1516:52 UTCm62610 55.33NGVD291OUSGSSA
1995-06-1516:52 UTCm62611 54.25NAVD881OUSGSSA
1995-06-1516:52 UTCm72019103.67  1OUSGSSA
1995-12-0617:56 UTCm62610 54.41NGVD291OUSGSSA
1995-12-0617:56 UTCm62611 53.33NAVD881OUSGSSA
1995-12-0617:56 UTCm72019104.59  1OUSGSSA
1996-03-1918:55 UTCm62610 54.47NGVD291OUSGSSA
1996-03-1918:55 UTCm62611 53.39NAVD881OUSGSSA
1996-03-1918:55 UTCm72019104.53  1OUSGSSA
1996-05-1715:46 UTCm62610 54.85NGVD291OUSGSSA
1996-05-1715:46 UTCm62611 53.77NAVD881OUSGSSA
1996-05-1715:46 UTCm72019104.15  1OUSGSSA
1996-09-1215:35 UTCm62610 54.83NGVD291OUSGSSA
1996-09-1215:35 UTCm62611 53.75NAVD881OUSGSSA
1996-09-1215:35 UTCm72019104.17  1OUSGSSA
1996-12-1219:05 UTCm62610 55.68NGVD291OUSGSSA
1996-12-1219:05 UTCm62611 54.60NAVD881OUSGSSA
1996-12-1219:05 UTCm72019103.32  1OUSGSSA
1997-03-1116:27 UTCm62610 56.99NGVD291OUSGSSA
1997-03-1116:27 UTCm62611 55.91NAVD881OUSGSSA
1997-03-1116:27 UTCm72019102.01  1OUSGSSA
1997-05-2214:29 UTCm62610 57.51NGVD291OUSGSSA
1997-05-2214:29 UTCm62611 56.43NAVD881OUSGSSA
1997-05-2214:29 UTCm72019101.49  1OUSGSSA
1997-07-2217:53 UTCm62610 56.76NGVD291OUSGSSA
1997-07-2217:53 UTCm62611 55.68NAVD881OUSGSSA
1997-07-2217:53 UTCm72019102.24  1OUSGSSA
1997-08-2015:18 UTCm62610 56.67NGVD291OUSGSSA
1997-08-2015:18 UTCm62611 55.59NAVD881OUSGSSA
1997-08-2015:18 UTCm72019102.33  1OUSGSSA
1997-09-1615:17 UTCm62610 56.61NGVD291OUSGSSA
1997-09-1615:17 UTCm62611 55.53NAVD881OUSGSSA
1997-09-1615:17 UTCm72019102.39  1OUSGSSA
1998-03-2415:00 UTCm62610 56.68NGVD291SUSGSSA
1998-03-2415:00 UTCm62611 55.60NAVD881SUSGSSA
1998-03-2415:00 UTCm72019102.32  1SUSGSSA
2013-07-2419:18 UTCm62610 60.13NGVD291T  A
2013-07-2419:18 UTCm62611 59.05NAVD881T  A
2013-07-2419:18 UTCm7201998.87  1T  A
2013-07-2918:38 UTCm62610 60.10NGVD291T  A
2013-07-2918:38 UTCm62611 59.02NAVD881T  A
2013-07-2918:38 UTCm7201998.90  1T  A

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
Status4Groundwater level affected by tide
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
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.