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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 390846123105701
Minimum number of levels = 1
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USGS 390846123105701 015N012W21G001M

Mendocino County, California
Latitude  39°08'46", Longitude 123°10'57" NAD27
Land-surface elevation 585 feet above NAVD88
The depth of the well is 180 feet below land surface.
The depth of the hole is 180 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
1981-02-19 D62610 561.39NGVD291S  A
1981-02-19 D62611 564.16NAVD881S  A
1981-02-19 D7201913.61  1S  A
1981-04-01 D62610 560.86NGVD291S  A
1981-04-01 D62611 563.63NAVD881S  A
1981-04-01 D7201914.14  1S  A
1981-06-17 D62610 559.05NGVD291S  A
1981-06-17 D62611 561.82NAVD881S  A
1981-06-17 D7201915.95  1S  A
1981-08-19 D62610 559.23NGVD291S  A
1981-08-19 D62611 562.00NAVD881S  A
1981-08-19 D7201915.77  1S  A
1981-10-14 D62610 559.18NGVD291S  A
1981-10-14 D62611 561.95NAVD881S  A
1981-10-14 D7201915.82  1S  A
1981-12-16 D62610 561.81NGVD291S  A
1981-12-16 D62611 564.58NAVD881S  A
1981-12-16 D7201913.19  1S  A
1981-12-21 D62610 566.27NGVD291S  A
1981-12-21 D62611 569.04NAVD881S  A
1981-12-21 D720198.73  1S  A
1982-03-03 D62610 562.38NGVD291T  A
1982-03-03 D62611 565.15NAVD881T  A
1982-03-03 D7201912.62  1T  A
1982-05-20 D62610 559.55NGVD291S  A
1982-05-20 D62611 562.32NAVD881S  A
1982-05-20 D7201915.45  1S  A
1982-09-29 D62610 558.82NGVD291S  A
1982-09-29 D62611 561.59NAVD881S  A
1982-09-29 D7201916.18  1S  A

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
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.