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Groundwater levels for the Nation

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USGS 383606077092101 CH Bc 67

Charles County, Maryland
Latitude  38°36'06", Longitude  77°09'21" NAD27
Land-surface elevation 30 feet above NGVD29
The depth of the well is 522 feet below land surface.
The depth of the hole is 522 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Lower Patapsco Aquifer In the Patapsco Formation (217PPSCL) 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
1971-12-12 D62610 -72.00NGVD29PL  A
1971-12-12 D62611 -72.82NAVD88PL  A
1971-12-12 D72019102.00  PL  A
1992-09-30 D62610 -80.80NGVD291Z  A
1992-09-30 D62611 -81.62NAVD881Z  A
1992-09-30 D72019110.80  1Z  A
1993-09-22 D62610 -87.92NGVD291Z  A
1993-09-22 D62611 -88.74NAVD881Z  A
1993-09-22 D72019117.92  1Z  A
1994-09-26 D62610 -89.67NGVD291Z  A
1994-09-26 D62611 -90.49NAVD881Z  A
1994-09-26 D72019119.67  1Z  A
1995-05-17 D62610 -79.38NGVD291S  A
1995-05-17 D62611 -80.20NAVD881S  A
1995-05-17 D72019109.38  1S  A
1995-08-28 D62610 -83.10NGVD291Z  A
1995-08-28 D62611 -83.92NAVD881Z  A
1995-08-28 D72019113.10  1Z  A
1996-04-19 D62610 -76.72NGVD291Z  A
1996-04-19 D62611 -77.54NAVD881Z  A
1996-04-19 D72019106.72  1Z  A
1996-09-19 D62610 -78.04NGVD291Z  A
1996-09-19 D62611 -78.86NAVD881Z  A
1996-09-19 D72019108.04  1Z  A
1997-09-11 D62610 -77.02NGVD291Z  A
1997-09-11 D62611 -77.84NAVD881Z  A
1997-09-11 D72019107.02  1Z  A
1998-10-02 D62610 -77.84NGVD291Z  A
1998-10-02 D62611 -78.66NAVD881Z  A
1998-10-02 D72019107.84  1Z  A
1999-04-29 D62610 -75.34NGVD291Z  A
1999-04-29 D62611 -76.16NAVD881Z  A
1999-04-29 D72019105.34  1Z  A
1999-09-08 D62610 -74.01NGVD291Z  A
1999-09-08 D62611 -74.83NAVD881Z  A
1999-09-08 D72019104.01  1Z  A
2000-04-24 D62610 -80.28NGVD291Z  A
2000-04-24 D62611 -81.10NAVD881Z  A
2000-04-24 D72019110.28  1Z  A
2000-09-18 D62610 -79.32NGVD291Z  A
2000-09-18 D62611 -80.14NAVD881Z  A
2000-09-18 D72019109.32  1Z  A
2001-04-23 D62610 -78.29NGVD291Z  A
2001-04-23 D62611 -79.11NAVD881Z  A
2001-04-23 D72019108.29  1Z  A
2001-09-20 D62610 -65.47NGVD291Z  A
2001-09-20 D62611 -66.29NAVD881Z  A
2001-09-20 D7201995.47  1Z  A
2002-04-11 D62610 -61.79NGVD291TUSGSSA
2002-04-11 D62611 -62.61NAVD881TUSGSSA
2002-04-11 D7201991.79  1TUSGSSA
2002-09-18 D62610 -60.33NGVD291TUSGSSA
2002-09-18 D62611 -61.15NAVD881TUSGSSA
2002-09-18 D7201990.33  1TUSGSSA
2003-04-30 D62610 -74.35NGVD291SUSGSSA
2003-04-30 D62611 -75.17NAVD881SUSGSSA
2003-04-30 D72019104.35  1SUSGSSA
2003-09-16 D62610 -71.20NGVD291SUSGSSA
2003-09-16 D62611 -72.02NAVD881SUSGSSA
2003-09-16 D72019101.20  1SUSGSSA
2004-04-29 D62610 -71.50NGVD291SUSGSSA
2004-04-29 D62611 -72.32NAVD881SUSGSSA
2004-04-29 D72019101.50  1SUSGSSA
2004-09-14 D62610 -62.69NGVD291SUSGSSA
2004-09-14 D62611 -63.51NAVD881SUSGSSA
2004-09-14 D7201992.69  1SUSGSSA
2005-09-07 D62610 -73.81NGVD291SUSGSSA
2005-09-07 D62611 -74.63NAVD881SUSGSSA
2005-09-07 D72019103.81  1SUSGSSA

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 measurementLInterpreted from geophysical logs.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.