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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 =
  • 452746122331901
Minimum number of levels = 1
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USGS 452746122331901 01S/02E-22CCC

Multnomah County, Oregon
Latitude  45°27'46", Longitude 122°33'19" NAD27
Land-surface elevation 400 feet above NGVD29
The depth of the well is 525 feet below land surface.
The depth of the hole is 525 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
1953 Y62610 125.00NGVD291OUSGSSA
1953 Y62611 128.52NAVD881OUSGSSA
1953 Y72019275.00  1OUSGSSA
1987-06-10 D62610 131.00NGVD291A  A
1987-06-10 D62611 134.52NAVD881A  A
1987-06-10 D72019269.00  1A  A
1988-04-05 D62610 123.00NGVD291S  A
1988-04-05 D62611 126.52NAVD881S  A
1988-04-05 D72019277.00  1S  A
1989-04-04 D62610 122.80NGVD291S  A
1989-04-04 D62611 126.32NAVD881S  A
1989-04-04 D72019277.20  1S  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracyYDate is accurate to the Year
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 measurementAAirline measurement.
Method of measurementOObserved.
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.