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Groundwater levels for the Nation

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Agency code = usgs
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  • 400011107052901
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USGS 400011107052901 SB00106935CCC

Boulder County, Colorado
Latitude  40°00'11", Longitude 107°05'29" NAD27
Land-surface elevation 5,240.00 feet above NGVD29
The depth of the well is 600 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
1977-03-14 D62610 5132.24NGVD291S  A
1977-03-14 D62611 5137.87NAVD881S  A
1977-03-14 D72019107.76  1S  A
1977-10-17 D62610 5126.10NGVD291S  A
1977-10-17 D62611 5131.73NAVD881S  A
1977-10-17 D72019113.90  1S  A
1978-03-13 D62610 5109.96NGVD291S  A
1978-03-13 D62611 5115.59NAVD881S  A
1978-03-13 D72019130.04  1S  A
1978-10-24 D62610 5097.06NGVD291S  A
1978-10-24 D62611 5102.69NAVD881S  A
1978-10-24 D72019142.94  1S  A
1979-03-13 D62610 5124.29NGVD291S  A
1979-03-13 D62611 5129.92NAVD881S  A
1979-03-13 D72019115.71  1S  A
1979-10-02 D62610 5092.09NGVD291S  A
1979-10-02 D62611 5097.72NAVD881S  A
1979-10-02 D72019147.91  1S  A
1980-02-29 D62610 5129.81NGVD291S  A
1980-02-29 D62611 5135.44NAVD881S  A
1980-02-29 D72019110.19  1S  A
1980-10-21 D62610 5101.60NGVD291S  A
1980-10-21 D62611 5107.23NAVD881S  A
1980-10-21 D72019138.40  1S  A
1981-03-03 D62610 5112.35NGVD291S  A
1981-03-03 D62611 5117.98NAVD881S  A
1981-03-03 D72019127.65  1S  A
1981-10-14 D62610 5125.99NGVD291S  A
1981-10-14 D62611 5131.62NAVD881S  A
1981-10-14 D72019114.01  1S  A
1982-03-02 D62610 5130.30NGVD291T  A
1982-03-02 D62611 5135.93NAVD881T  A
1982-03-02 D72019109.70  1T  A
1982-10-13 D62610 5151.22NGVD291S  A
1982-10-13 D62611 5156.85NAVD881S  A
1982-10-13 D7201988.78  1S  A
1983-03-08 D62610 5138.38NGVD29PS  A
1983-03-08 D62611 5144.01NAVD88PS  A
1983-03-08 D72019101.62  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.
Method of measurementTElectric-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.