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Groundwater levels for the Nation

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Agency code = usgs
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  • 390830076473901
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USGS 390830076473901 HO Df 59

Howard County, Maryland
Latitude  39°08'30", Longitude  76°47'39" NAD83
Land-surface elevation 211.14 feet above NAVD88
The depth of the well is 135 feet below land surface.
The depth of the hole is 140 feet below land surface.
This well is completed in the Patuxent Formation (217PTXN) local aquifer.
Output formats
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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
2009-05-2918:30 UTCm62610 159.74NGVD291TUSGSSA
2009-05-2918:30 UTCm62611 159.01NAVD881TUSGSSA
2009-05-2918:30 UTCm7201952.13  1TUSGSSA
2009-06-1215:30 UTCm62610 160.42NGVD291TUSGSSA
2009-06-1215:30 UTCm62611 159.69NAVD881TUSGSSA
2009-06-1215:30 UTCm7201951.45  1TUSGSSA
2009-08-0313:02 UTCm62610 161.53NGVD29PTUSGSSA
2009-08-0313:02 UTCm62611 160.80NAVD88PTUSGSSA
2009-08-0313:02 UTCm7201950.34  PTUSGSSA
2009-08-2716:19 UTCm62610 161.74NGVD29PTUSGSSA
2009-08-2716:19 UTCm62611 161.01NAVD88PTUSGSSA
2009-08-2716:19 UTCm7201950.13  PTUSGSSA
2009-09-2811:51 UTCm62610 162.03NGVD291TUSGSSA
2009-09-2811:51 UTCm62611 161.30NAVD881TUSGSSA
2009-09-2811:51 UTCm7201949.84  1TUSGSSA
2009-10-1615:56 UTCm62610 162.08NGVD291TUSGSSA
2009-10-1615:56 UTCm62611 161.35NAVD881TUSGSSA
2009-10-1615:56 UTCm7201949.79  1TUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracymDate is accurate to the Minute
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 measurementTElectric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.