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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 403416124084901
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USGS 403416124084901 002N001W11G005H

Humboldt County, California
Latitude  40°34'16.5", Longitude 124°08'49.6" NAD83
Land-surface elevation 50 feet above NAVD88
The depth of the well is 115 feet below land surface.
The depth of the hole is 128 feet below land surface.
This well is completed in the California Coastal Basin aquifers (N100CACSTL) national 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
2010-07-2918:55 UTCm62610 22.00NGVD291VUSGSSA
2010-07-2918:55 UTCm62611 25.22NAVD881VUSGSSA
2010-07-2918:55 UTCm7201924.78  1VUSGSSA
2011-07-2621:25 UTCm62610 22.31NGVD291VUSGSSA
2011-07-2621:25 UTCm62611 25.53NAVD881VUSGSSA
2011-07-2621:25 UTCm7201924.47  1VUSGSSA
2012-05-2322:10 UTCm62610 23.66NGVD291VUSGSSA
2012-05-2322:10 UTCm62611 26.88NAVD881VUSGSSA
2012-05-2322:10 UTCm7201923.12  1VUSGSSA
2014-05-2221:40 UTCm62610 21.62NGVD291VUSGSSA
2014-05-2221:40 UTCm62611 24.84NAVD881VUSGSSA
2014-05-2221:40 UTCm7201925.16  1VUSGSSA
2016-06-1000:00 UTCm62610 21.42NGVD29 VUSGSSA
2016-06-1000:00 UTCm62611 24.64NAVD88 VUSGSSA
2016-06-1000:00 UTCm7201925.36   VUSGSSA
2018-05-2318:42 UTCm62610 22.67NGVD291SUSGSSA
2018-05-2318:42 UTCm62611 25.89NAVD881SUSGSSA
2018-05-2318:42 UTCm7201924.11  1SUSGSSA
2022-05-2517:50 UTCm62610 21.81NGVD291SUSGSSA
2022-05-2517:50 UTCm62611 25.03NAVD881SUSGSSA
2022-05-2517:50 UTCm7201924.97  1SUSGSSA
2024-05-2318:45 UTCm62610 23.02NGVD29PSUSGSSP
2024-05-2318:45 UTCm62611 26.24NAVD88PSUSGSSP
2024-05-2318:45 UTCm7201923.76  PSUSGSSP

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
StatusThe reported water-level measurement represents a static level
Status1Static
StatusPPumping
Method of measurementSSteel-tape measurement.
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.
Water-level approval statusPProvisional data subject to revision.