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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 473255122203701
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USGS 473255122203701 24N/04E-19P03 19S

King County, Washington
Latitude  47°32'54.9", Longitude 122°20'36.9" NAD83
Land-surface elevation 17.25 feet above NAVD88
The depth of the well is 10 feet below land surface.
The depth of the hole is 10 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
2020-08-2720:44 UTCm62610 5.01NGVD291VUSGSSA
2020-08-2720:44 UTCm62611 8.59NAVD881VUSGSSA
2020-08-2720:44 UTCm720198.66  1VUSGSSA
2020-10-0220:30 UTCm62610 5.02NGVD294VUSGSSA
2020-10-0220:30 UTCm62611 8.60NAVD884VUSGSSA
2020-10-0220:30 UTCm720198.65  4VUSGSSA
2020-11-1216:00 UTCm62610 5.60NGVD294VUSGSSA
2020-11-1216:00 UTCm62611 9.18NAVD884VUSGSSA
2020-11-1216:00 UTCm720198.07  4VUSGSSA
2021-01-2019:45 UTCm62610 8.18NGVD294VUSGSSA
2021-01-2019:45 UTCm62611 11.76NAVD884VUSGSSA
2021-01-2019:45 UTCm720195.49  4VUSGSSA
2021-05-0519:29 UTCm62610 6.15NGVD294VUSGSSA
2021-05-0519:29 UTCm62611 9.73NAVD884VUSGSSA
2021-05-0519:29 UTCm720197.52  4VUSGSSA
2021-08-1918:00 UTCm62610 4.98NGVD294VUSGSSA
2021-08-1918:00 UTCm62611 8.56NAVD884VUSGSSA
2021-08-1918:00 UTCm720198.69  4VUSGSSA
2022-02-0217:30 UTCm62610 7.05NGVD294VUSGSSA
2022-02-0217:30 UTCm62611 10.63NAVD884VUSGSSA
2022-02-0217:30 UTCm720196.62  4VUSGSSA
2022-04-0518:15 UTCm62610 7.00NGVD294VUSGSSA
2022-04-0518:15 UTCm62611 10.58NAVD884VUSGSSA
2022-04-0518:15 UTCm720196.67  4VUSGSSA
2022-09-0818:15 UTCm62610 5.02NGVD294VUSGSSA
2022-09-0818:15 UTCm62611 8.60NAVD884VUSGSSA
2022-09-0818:15 UTCm720198.65  4VUSGSSA

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 measurementVCalibrated electric-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.