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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 390855076495201
Minimum number of levels = 1
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USGS 390855076495201 HO Df 47

Howard County, Maryland
Latitude  39°08'55", Longitude  76°49'52" NAD27
Land-surface elevation 290 feet above NGVD29
The depth of the well is 200 feet below land surface.
The depth of the hole is 200 feet below land surface.
This well is completed in the Mount Washington Amphibolite (300MWSG) local aquifer.
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
1988-06-10 D62610 200.53NGVD29PZ  A
1988-06-10 D62611 199.82NAVD88PZ  A
1988-06-10 D7201989.47  PZ  A
1988-06-30 D62610 200.50NGVD291Z  A
1988-06-30 D62611 199.79NAVD881Z  A
1988-06-30 D7201989.50  1Z  A
1988-08-02 D62610 218.23NGVD291Z  A
1988-08-02 D62611 217.52NAVD881Z  A
1988-08-02 D7201971.77  1Z  A
1988-09-01 D62610 210.49NGVD29PZ  A
1988-09-01 D62611 209.78NAVD88PZ  A
1988-09-01 D7201979.51  PZ  A
1988-09-30 D62610 206.30NGVD291Z  A
1988-09-30 D62611 205.59NAVD881Z  A
1988-09-30 D7201983.70  1Z  A
1988-11-04 D62610 213.89NGVD291Z  A
1988-11-04 D62611 213.18NAVD881Z  A
1988-11-04 D7201976.11  1Z  A
1988-12-05 D62610 205.39NGVD291Z  A
1988-12-05 D62611 204.68NAVD881Z  A
1988-12-05 D7201984.61  1Z  A
1989-01-03 D62610 201.27NGVD291Z  A
1989-01-03 D62611 200.56NAVD881Z  A
1989-01-03 D7201988.73  1Z  A
1989-01-31 D62610 206.39NGVD291Z  A
1989-01-31 D62611 205.68NAVD881Z  A
1989-01-31 D7201983.61  1Z  A
1989-03-03 D62610 212.11NGVD291Z  A
1989-03-03 D62611 211.40NAVD881Z  A
1989-03-03 D7201977.89  1Z  A
1989-04-10 D62610 214.34NGVD291Z  A
1989-04-10 D62611 213.63NAVD881Z  A
1989-04-10 D7201975.66  1Z  A
1989-05-03 D62610 212.46NGVD291Z  A
1989-05-03 D62611 211.75NAVD881Z  A
1989-05-03 D7201977.54  1Z  A
1989-05-31 D62610 224.13NGVD291Z  A
1989-05-31 D62611 223.42NAVD881Z  A
1989-05-31 D7201965.87  1Z  A
1989-08-02 D62610 200.54NGVD291Z  A
1989-08-02 D62611 199.83NAVD881Z  A
1989-08-02 D7201989.46  1Z  A
1989-08-30 D62610 200.64NGVD291Z  A
1989-08-30 D62611 199.93NAVD881Z  A
1989-08-30 D7201989.36  1Z  A
1989-09-28 D62610 200.50NGVD291Z  A
1989-09-28 D62611 199.79NAVD881Z  A
1989-09-28 D7201989.50  1Z  A
1989-11-02 D62610 214.06NGVD291Z  A
1989-11-02 D62611 213.35NAVD881Z  A
1989-11-02 D7201975.94  1Z  A
1989-12-01 D62610 202.54NGVD291Z  A
1989-12-01 D62611 201.83NAVD881Z  A
1989-12-01 D7201987.46  1Z  A
1990-01-02 D62610 200.47NGVD291Z  A
1990-01-02 D62611 199.76NAVD881Z  A
1990-01-02 D7201989.53  1Z  A
1990-01-31 D62610 200.49NGVD291Z  A
1990-01-31 D62611 199.78NAVD881Z  A
1990-01-31 D7201989.51  1Z  A
1990-03-02 D62610 200.51NGVD291Z  A
1990-03-02 D62611 199.80NAVD881Z  A
1990-03-02 D7201989.49  1Z  A
1990-04-02 D62610 203.63NGVD29PZ  A
1990-04-02 D62611 202.92NAVD88PZ  A
1990-04-02 D7201986.37  PZ  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 measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.