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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 473231121574601
Minimum number of levels = 1
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USGS 473231121574601 24N/07E-30C01

King County, Washington
Latitude  47°32'31", Longitude 121°57'46" NAD27
Land-surface elevation 1,000 feet above NGVD29
The depth of the well is 127 feet below land surface.
The depth of the hole is 127 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
1987-05-12 D62610 980.30NGVD291L  A
1987-05-12 D62611 983.95NAVD881L  A
1987-05-12 D7201919.70  1L  A
1990-11-02 D62610 909.91NGVD29PSUSGSSA
1990-11-02 D62611 913.56NAVD88PSUSGSSA
1990-11-02 D7201990.09  PSUSGSSA

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
StatusPPumping
Method of measurementLInterpreted from geophysical logs.
Method of measurementSSteel-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.