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Groundwater levels for the Nation

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  • 471712122041002
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USGS 471712122041002 21N/06E-20Q08 TW-04B

King County, Washington
Latitude  47°17'12", Longitude 122°04'10" NAD27
Land-surface elevation 158.8 feet above NGVD29
The depth of the well is 21 feet below land surface.
The depth of the hole is 22 feet below land surface.
Output formats
Table of data
Tab-separated data
Graph of data
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
1979-11-08 D62610 150.20NGVD291TUSGSSA
1979-11-08 D62611 153.66NAVD881TUSGSSA
1979-11-08 D720198.60  1TUSGSSA
1979-11-13 D62610 150.00NGVD291TUSGSSA
1979-11-13 D62611 153.46NAVD881TUSGSSA
1979-11-13 D720198.80  1TUSGSSA
1979-11-20 D62610 149.80NGVD291TUSGSSA
1979-11-20 D62611 153.26NAVD881TUSGSSA
1979-11-20 D720199.00  1TUSGSSA
1979-11-26 D62610 149.90NGVD291TUSGSSA
1979-11-26 D62611 153.36NAVD881TUSGSSA
1979-11-26 D720198.90  1TUSGSSA
1979-12-31 D62610 151.20NGVD291TUSGSSA
1979-12-31 D62611 154.66NAVD881TUSGSSA
1979-12-31 D720197.60  1TUSGSSA
1980-01-25 D62610 152.00NGVD291TUSGSSA
1980-01-25 D62611 155.46NAVD881TUSGSSA
1980-01-25 D720196.80  1TUSGSSA
1980-03-05 D62610 152.06NGVD291SUSGSSA
1980-03-05 D62611 155.52NAVD881SUSGSSA
1980-03-05 D720196.74  1SUSGSSA
1980-04-02 D62610 151.25NGVD291SUSGSSA
1980-04-02 D62611 154.71NAVD881SUSGSSA
1980-04-02 D720197.55  1SUSGSSA
1980-05-12 D62610 150.99NGVD291SUSGSSA
1980-05-12 D62611 154.45NAVD881SUSGSSA
1980-05-12 D720197.81  1SUSGSSA
1981-01-09 D62610 151.42NGVD291SUSGSSA
1981-01-09 D62611 154.88NAVD881SUSGSSA
1981-01-09 D720197.38  1SUSGSSA
1981-03-12 D62610 150.86NGVD291SUSGSSA
1981-03-12 D62611 154.32NAVD881SUSGSSA
1981-03-12 D720197.94  1SUSGSSA
1981-04-16 D62610 151.01NGVD291SUSGSSA
1981-04-16 D62611 154.47NAVD881SUSGSSA
1981-04-16 D720197.79  1SUSGSSA
1981-05-12 D62610 151.25NGVD291SUSGSSA
1981-05-12 D62611 154.71NAVD881SUSGSSA
1981-05-12 D720197.55  1SUSGSSA
1981-06-24 D62610 151.54NGVD291SUSGSSA
1981-06-24 D62611 155.00NAVD881SUSGSSA
1981-06-24 D720197.26  1SUSGSSA
1981-06-29 D62610 151.15NGVD291SUSGSSA
1981-06-29 D62611 154.61NAVD881SUSGSSA
1981-06-29 D720197.65  1SUSGSSA
1981-07-14 D62610 150.47NGVD291SUSGSSA
1981-07-14 D62611 153.93NAVD881SUSGSSA
1981-07-14 D720198.33  1SUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 measurementSSteel-tape measurement.
Method of measurementTElectric-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.