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Groundwater levels for the Nation

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USGS 395724105115200 SC00107023BAB

Boulder County, Colorado
Latitude  39°57'24", Longitude 105°11'52" NAD27
Land-surface elevation 5,629.00 feet above NGVD29
The depth of the well is 660 feet below land surface.
This well is completed in the Laramie Formation (211LRMI) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
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
1977-04-13 D62610 5555.95NGVD291S  A
1977-04-13 D62611 5559.15NAVD881S  A
1977-04-13 D7201973.05  1S  A
1978-10-16 D62610 5553.14NGVD291S  A
1978-10-16 D62611 5556.34NAVD881S  A
1978-10-16 D7201975.86  1S  A
1980-05-08 D62610 5572.98NGVD291S  A
1980-05-08 D62611 5576.18NAVD881S  A
1980-05-08 D7201956.02  1S  A
1980-10-22 D62610 5571.40NGVD291S  A
1980-10-22 D62611 5574.60NAVD881S  A
1980-10-22 D7201957.60  1S  A
1981-03-09 D62610 5571.50NGVD291T  A
1981-03-09 D62611 5574.70NAVD881T  A
1981-03-09 D7201957.50  1T  A
1981-09-29 D62610 5575.13NGVD29PS  A
1981-09-29 D62611 5578.33NAVD88PS  A
1981-09-29 D7201953.87  PS  A
1981-11-17 D62610 5577.04NGVD291S  A
1981-11-17 D62611 5580.24NAVD881S  A
1981-11-17 D7201951.96  1S  A
1981-12-11 D62610 5570.76NGVD291S  A
1981-12-11 D62611 5573.96NAVD881S  A
1981-12-11 D7201958.24  1S  A
1982-01-14 D62610 5570.95NGVD291Z  A
1982-01-14 D62611 5574.15NAVD881Z  A
1982-01-14 D7201958.05  1Z  A
1982-02-11 D62610 5577.16NGVD291S  A
1982-02-11 D62611 5580.36NAVD881S  A
1982-02-11 D7201951.84  1S  A
1982-03-18 D62610 5571.35NGVD291S  A
1982-03-18 D62611 5574.55NAVD881S  A
1982-03-18 D7201957.65  1S  A
1982-04-21 D62610 5572.69NGVD291S  A
1982-04-21 D62611 5575.89NAVD881S  A
1982-04-21 D7201956.31  1S  A
1982-05-20 D62610 5571.09NGVD291S  A
1982-05-20 D62611 5574.29NAVD881S  A
1982-05-20 D7201957.91  1S  A
1982-06-16 D62610 5572.19NGVD291S  A
1982-06-16 D62611 5575.39NAVD881S  A
1982-06-16 D7201956.81  1S  A
1982-07-14 D62610 5578.55NGVD291S  A
1982-07-14 D62611 5581.75NAVD881S  A
1982-07-14 D7201950.45  1S  A
1982-08-18 D62610 5577.36NGVD291S  A
1982-08-18 D62611 5580.56NAVD881S  A
1982-08-18 D7201951.64  1S  A
1982-09-21 D62610 5577.79NGVD291S  A
1982-09-21 D62611 5580.99NAVD881S  A
1982-09-21 D7201951.21  1S  A
1982-10-12 D62610 5576.32NGVD291S  A
1982-10-12 D62611 5579.52NAVD881S  A
1982-10-12 D7201952.68  1S  A
1982-11-17 D62610 5576.91NGVD291S  A
1982-11-17 D62611 5580.11NAVD881S  A
1982-11-17 D7201952.09  1S  A
1982-12-13 D62610 5572.36NGVD291S  A
1982-12-13 D62611 5575.56NAVD881S  A
1982-12-13 D7201956.64  1S  A
1983-03-14 D62610 5575.29NGVD291Z  A
1983-03-14 D62611 5578.49NAVD881Z  A
1983-03-14 D7201953.71  1Z  A
1983-09-21 D62610 5578.99NGVD291S  A
1983-09-21 D62611 5582.19NAVD881S  A
1983-09-21 D7201950.01  1S  A
1984-04-16 D62610 5583.52NGVD291S  A
1984-04-16 D62611 5586.72NAVD881S  A
1984-04-16 D7201945.48  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.
Method of measurementTElectric-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.