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Groundwater levels for the Nation

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Agency code = usgs
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  • 310422083293401
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USGS 310422083293401 18G021

Cook County, Georgia
Latitude  31°04'22", Longitude  83°29'34" NAD27
Land-surface elevation 220.00 feet above NGVD29
The depth of the well is 294 feet below land surface.
This well is completed in the Floridan aquifer system (S400FLORDN) national aquifer.
This well is completed in the Upper Floridan Aquifer (120FLRDU) local aquifer.
Output formats
Table of 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
1966-02-24 D62610 90.00NGVD291L  A
1966-02-24 D62611 89.36NAVD881L  A
1966-02-24 D72019130.00  1L  A
1974-05-30 D62610 75.70NGVD291S  A
1974-05-30 D62611 75.06NAVD881S  A
1974-05-30 D72019144.30  1S  A
1976-01-15 D62610 77.11NGVD291S  A
1976-01-15 D62611 76.47NAVD881S  A
1976-01-15 D72019142.89  1S  A
1979-10-15 D62610 76.65NGVD291S  A
1979-10-15 D62611 76.01NAVD881S  A
1979-10-15 D72019143.35  1S  A
1980-05-12 D62610 78.35NGVD291S  A
1980-05-12 D62611 77.71NAVD881S  A
1980-05-12 D72019141.65  1S  A
1982-11-06 D62610 73.80NGVD291S  A
1982-11-06 D62611 73.16NAVD881S  A
1982-11-06 D72019146.20  1S  A
1985-05-16 D62610 76.44NGVD291S  A
1985-05-16 D62611 75.80NAVD881S  A
1985-05-16 D72019143.56  1S  A
1990-05-16 D62610 72.74NGVD291S  A
1990-05-16 D62611 72.10NAVD881S  A
1990-05-16 D72019147.26  1S  A
1998-05-2014:30 UTCm62610 72.65NGVD291Z  A
1998-05-2014:30 UTCm62611 72.01NAVD881Z  A
1998-05-2014:30 UTCm72019147.35  1Z  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 measurementLInterpreted from geophysical logs.
Method of measurementSSteel-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.