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Groundwater levels for the Nation

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  • 400126105055701
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USGS 400126105055701 SB00106927ACD

Boulder County, Colorado
Latitude  40°01'26", Longitude 105°05'57" NAD27
Land-surface elevation 5,201.00 feet above NGVD29
The depth of the well is 400 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
1976-09-01 D62610 5172.00NGVD291S  A
1976-09-01 D62611 5175.17NAVD881S  A
1976-09-01 D7201929.00  1S  A
1976-09-08 D62610 5175.70NGVD291S  A
1976-09-08 D62611 5178.87NAVD881S  A
1976-09-08 D7201925.30  1S  A
1977-03-21 D62610 5191.20NGVD291S  A
1977-03-21 D62611 5194.37NAVD881S  A
1977-03-21 D720199.80  1S  A
1977-10-13 D62610 5176.71NGVD291S  A
1977-10-13 D62611 5179.88NAVD881S  A
1977-10-13 D7201924.29  1S  A
1978-10-25 D62610 5179.99NGVD291S  A
1978-10-25 D62611 5183.16NAVD881S  A
1978-10-25 D7201921.01  1S  A
1979-03-13 D62610 5181.86NGVD291S  A
1979-03-13 D62611 5185.03NAVD881S  A
1979-03-13 D7201919.14  1S  A
1979-10-02 D62610 5181.90NGVD291S  A
1979-10-02 D62611 5185.07NAVD881S  A
1979-10-02 D7201919.10  1S  A
1980-02-29 D62610 5191.59NGVD291S  A
1980-02-29 D62611 5194.76NAVD881S  A
1980-02-29 D720199.41  1S  A
1980-10-22 D62610 5177.02NGVD291S  A
1980-10-22 D62611 5180.19NAVD881S  A
1980-10-22 D7201923.98  1S  A
1981-03-05 D62610 5187.70NGVD291S  A
1981-03-05 D62611 5190.87NAVD881S  A
1981-03-05 D7201913.30  1S  A
1981-10-13 D62610 5172.03NGVD291S  A
1981-10-13 D62611 5175.20NAVD881S  A
1981-10-13 D7201928.97  1S  A
1982-03-02 D62610 5182.10NGVD291S  A
1982-03-02 D62611 5185.27NAVD881S  A
1982-03-02 D7201918.90  1S  A
1982-10-13 D62610 5183.53NGVD291S  A
1982-10-13 D62611 5186.70NAVD881S  A
1982-10-13 D7201917.47  1S  A
1983-03-09 D62610 5191.55NGVD291S  A
1983-03-09 D62611 5194.72NAVD881S  A
1983-03-09 D720199.45  1S  A
1983-09-21 D62610 5165.40NGVD29PS  A
1983-09-21 D62611 5168.57NAVD88PS  A
1983-09-21 D7201935.60  PS  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.