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Groundwater levels for the Nation

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Agency code = usgs
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  • 400142105044801
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USGS 400142105044801 SB00106926ABA1

Boulder County, Colorado
Latitude  40°01'42", Longitude 105°04'48" NAD27
Land-surface elevation 5,200.00 feet above NGVD29
The depth of the well is 420 feet below land surface.
Output formats
Table of data
Tab-separated 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
1977-03-16 D62610 5181.10NGVD291S  A
1977-03-16 D62611 5184.20NAVD881S  A
1977-03-16 D7201918.90  1S  A
1977-10-17 D62610 5149.32NGVD291S  A
1977-10-17 D62611 5152.42NAVD881S  A
1977-10-17 D7201950.68  1S  A
1978-03-13 D62610 5171.51NGVD29PS  A
1978-03-13 D62611 5174.61NAVD88PS  A
1978-03-13 D7201928.49  PS  A
1978-10-24 D62610 5180.31NGVD291S  A
1978-10-24 D62611 5183.41NAVD881S  A
1978-10-24 D7201919.69  1S  A
1979-03-14 D62610 5179.05NGVD291S  A
1979-03-14 D62611 5182.15NAVD881S  A
1979-03-14 D7201920.95  1S  A
1979-10-01 D62610 5184.04NGVD291S  A
1979-10-01 D62611 5187.14NAVD881S  A
1979-10-01 D7201915.96  1S  A
1980-02-29 D62610 5181.81NGVD291S  A
1980-02-29 D62611 5184.91NAVD881S  A
1980-02-29 D7201918.19  1S  A
1980-10-21 D62610 5173.57NGVD291S  A
1980-10-21 D62611 5176.67NAVD881S  A
1980-10-21 D7201926.43  1S  A
1981-03-05 D62610 5175.32NGVD291S  A
1981-03-05 D62611 5178.42NAVD881S  A
1981-03-05 D7201924.68  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
StatusPPumping
Method of measurementSSteel-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.