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Groundwater levels for the Nation

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Agency code = usgs
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  • 381841122152401
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USGS 381841122152401 005N004W01F003M

Napa County, California
Latitude  38°18'40.84", Longitude 122°15'24.32" NAD83
Land-surface elevation 131.40 feet above NGVD29
The depth of the well is 350 feet below land surface.
The depth of the hole is 350 feet below land surface.
This well is completed in the California Coastal Basin aquifers (N100CACSTL) national aquifer.
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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
2000-04-11 D62610 27.90NGVD291VCA087AA
2000-04-11 D62611 30.53NAVD881VCA087AA
2000-04-11 D72019103.50  1VCA087AA
2000-10-16 D62610 18.00NGVD291VCA087AA
2000-10-16 D62611 20.63NAVD881VCA087AA
2000-10-16 D72019113.40  1VCA087AA
2001-04-19 D62610 18.30NGVD291VCA087AA
2001-04-19 D62611 20.93NAVD881VCA087AA
2001-04-19 D72019113.10  1VCA087AA
2001-08-1623:11 UTCm62610 8.44NGVD29PVUSGSSA
2001-08-1623:11 UTCm62611 11.07NAVD88PVUSGSSA
2001-08-1623:11 UTCm72019122.96  PVUSGSSA
2001-10-23 D62610 4.20NGVD291VCA087AA
2001-10-23 D62611 6.83NAVD881VCA087AA
2001-10-23 D72019127.20  1VCA087AA
2001-11-0715:10 UTCm62610 4.80NGVD291VUSGSSA
2001-11-0715:10 UTCm62611 7.43NAVD881VUSGSSA
2001-11-0715:10 UTCm72019126.60  1VUSGSSA
2002-04-19 D62610 12.10NGVD291VCA087AA
2002-04-19 D62611 14.73NAVD881VCA087AA
2002-04-19 D72019119.30  1VCA087AA
2002-10-22 D62610 -3.20NGVD291VCA087AA
2002-10-22 D62611 -0.57NAVD881VCA087AA
2002-10-22 D72019134.60  1VCA087AA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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
StatusPPumping
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyCA087Napa County Flood Control & Water Conservation District, CA
Measuring agencyUSGSU.S. Geological Survey
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.