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Groundwater levels for the Nation

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USGS 383149076570301 CH Ce 47

Charles County, Maryland
Latitude  38°31'49", Longitude  76°57'03" NAD27
Land-surface elevation 171.09 feet above NGVD29
The depth of the well is 378 feet below land surface.
The depth of the hole is 440 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 Aquia Formation or Aquifer (125AQUI) local aquifer.
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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
1975-05-10 D62610 23.09NGVD291L  A
1975-05-10 D62611 22.34NAVD881L  A
1975-05-10 D72019148.00  1L  A
1979-04-30 D62610 8.40NGVD291Z  A
1979-04-30 D62611 7.65NAVD881Z  A
1979-04-30 D72019162.69  1Z  A
1980-05-01 D62610 4.71NGVD291Z  A
1980-05-01 D62611 3.96NAVD881Z  A
1980-05-01 D72019166.38  1Z  A
1983-04-06 D62610 -8.54NGVD291Z  A
1983-04-06 D62611 -9.29NAVD881Z  A
1983-04-06 D72019179.63  1Z  A
1983-10-04 D62610 -10.91NGVD291Z  A
1983-10-04 D62611 -11.66NAVD881Z  A
1983-10-04 D72019182.00  1Z  A
1984-03-30 D62610 -11.44NGVD291Z  A
1984-03-30 D62611 -12.19NAVD881Z  A
1984-03-30 D72019182.53  1Z  A
1984-09-12 D62610 -12.94NGVD291Z  A
1984-09-12 D62611 -13.69NAVD881Z  A
1984-09-12 D72019184.03  1Z  A
1984-09-18 D62610 -13.07NGVD291Z  A
1984-09-18 D62611 -13.82NAVD881Z  A
1984-09-18 D72019184.16  1Z  A
1985-04-18 D62610 -13.61NGVD291Z  A
1985-04-18 D62611 -14.36NAVD881Z  A
1985-04-18 D72019184.70  1Z  A
1985-09-20 D62610 -15.82NGVD291Z  A
1985-09-20 D62611 -16.57NAVD881Z  A
1985-09-20 D72019186.91  1Z  A
1986-04-03 D62610 -16.06NGVD291Z  A
1986-04-03 D62611 -16.81NAVD881Z  A
1986-04-03 D72019187.15  1Z  A
1986-09-18 D62610 -19.70NGVD291Z  A
1986-09-18 D62611 -20.45NAVD881Z  A
1986-09-18 D72019190.79  1Z  A
1987-04-07 D62610 -18.53NGVD291Z  A
1987-04-07 D62611 -19.28NAVD881Z  A
1987-04-07 D72019189.62  1Z  A
1987-09-23 D62610 -20.85NGVD291Z  A
1987-09-23 D62611 -21.60NAVD881Z  A
1987-09-23 D72019191.94  1Z  A
1988-04-14 D62610 -19.51NGVD291Z  A
1988-04-14 D62611 -20.26NAVD881Z  A
1988-04-14 D72019190.60  1Z  A
1988-09-07 D62610 -20.72NGVD291Z  A
1988-09-07 D62611 -21.47NAVD881Z  A
1988-09-07 D72019191.81  1Z  A
1989-04-12 D62610 -20.17NGVD291Z  A
1989-04-12 D62611 -20.92NAVD881Z  A
1989-04-12 D72019191.26  1Z  A
1989-09-13 D62610 -21.21NGVD291Z  A
1989-09-13 D62611 -21.96NAVD881Z  A
1989-09-13 D72019192.30  1Z  A
1990-04-11 D62610 -20.82NGVD291Z  A
1990-04-11 D62611 -21.57NAVD881Z  A
1990-04-11 D72019191.91  1Z  A
1990-09-07 D62610 -22.05NGVD291Z  A
1990-09-07 D62611 -22.80NAVD881Z  A
1990-09-07 D72019193.14  1Z  A
1991-04-10 D62610 -21.77NGVD291Z  A
1991-04-10 D62611 -22.52NAVD881Z  A
1991-04-10 D72019192.86  1Z  A
1991-09-04 D62610 -24.09NGVD291Z  A
1991-09-04 D62611 -24.84NAVD881Z  A
1991-09-04 D72019195.18  1Z  A
1992-04-17 D62610 -23.93NGVD29PZ  A
1992-04-17 D62611 -24.68NAVD88PZ  A
1992-04-17 D72019195.02  PZ  A
1992-09-16 D62610 -24.59NGVD291Z  A
1992-09-16 D62611 -25.34NAVD881Z  A
1992-09-16 D72019195.68  1Z  A
1993-04-20 D62610 -24.44NGVD291Z  A
1993-04-20 D62611 -25.19NAVD881Z  A
1993-04-20 D72019195.53  1Z  A
1994-04-25 D62610 -27.35NGVD291Z  A
1994-04-25 D62611 -28.10NAVD881Z  A
1994-04-25 D72019198.44  1Z  A
1994-09-19 D62610 -30.66NGVD291Z  A
1994-09-19 D62611 -31.41NAVD881Z  A
1994-09-19 D72019201.75  1Z  A
1995-09-18 D62610 -33.41NGVD291Z  A
1995-09-18 D62611 -34.16NAVD881Z  A
1995-09-18 D72019204.50  1Z  A
1996-04-11 D62610 -31.25NGVD291Z  A
1996-04-11 D62611 -32.00NAVD881Z  A
1996-04-11 D72019202.34  1Z  A
1996-09-18 D62610 -32.07NGVD291Z  A
1996-09-18 D62611 -32.82NAVD881Z  A
1996-09-18 D72019203.16  1Z  A
1997-04-16 D62610 -31.86NGVD291Z  A
1997-04-16 D62611 -32.61NAVD881Z  A
1997-04-16 D72019202.95  1Z  A
1997-09-08 D62610 -36.00NGVD291Z  A
1997-09-08 D62611 -36.75NAVD881Z  A
1997-09-08 D72019207.09  1Z  A
1998-04-28 D62610 -34.62NGVD291Z  A
1998-04-28 D62611 -35.37NAVD881Z  A
1998-04-28 D72019205.71  1Z  A
1998-09-16 D62610 -39.24NGVD291Z  A
1998-09-16 D62611 -39.99NAVD881Z  A
1998-09-16 D72019210.33  1Z  A
1999-04-19 D62610 -37.41NGVD291Z  A
1999-04-19 D62611 -38.16NAVD881Z  A
1999-04-19 D72019208.50  1Z  A
1999-09-01 D62610 -41.04NGVD291Z  A
1999-09-01 D62611 -41.79NAVD881Z  A
1999-09-01 D72019212.13  1Z  A
2000-04-24 D62610 -38.95NGVD291Z  A
2000-04-24 D62611 -39.70NAVD881Z  A
2000-04-24 D72019210.04  1Z  A
2000-09-15 D62610 -48.26NGVD291Z  A
2000-09-15 D62611 -49.01NAVD881Z  A
2000-09-15 D72019219.35  1Z  A
2001-04-09 D62610 -38.29NGVD291Z  A
2001-04-09 D62611 -39.04NAVD881Z  A
2001-04-09 D72019209.38  1Z  A
2001-09-05 D62610 -41.45NGVD291Z  A
2001-09-05 D62611 -42.20NAVD881Z  A
2001-09-05 D72019212.54  1Z  A
2002-04-11 D62610 -41.07NGVD291TUSGSSA
2002-04-11 D62611 -41.82NAVD881TUSGSSA
2002-04-11 D72019212.16  1TUSGSSA
2002-09-12 D62610 -47.66NGVD291TUSGSSA
2002-09-12 D62611 -48.41NAVD881TUSGSSA
2002-09-12 D72019218.75  1TUSGSSA
2003-05-01 D62610 -43.03NGVD291SUSGSSA
2003-05-01 D62611 -43.78NAVD881SUSGSSA
2003-05-01 D72019214.12  1SUSGSSA
2003-09-16 D62610 -44.11NGVD291SUSGSSA
2003-09-16 D62611 -44.86NAVD881SUSGSSA
2003-09-16 D72019215.20  1SUSGSSA
2004-04-29 D62610 -43.20NGVD291SUSGSSA
2004-04-29 D62611 -43.95NAVD881SUSGSSA
2004-04-29 D72019214.29  1SUSGSSA
2005-09-12 D62610 -48.86NGVD291SUSGSSA
2005-09-12 D62611 -49.61NAVD881SUSGSSA
2005-09-12 D72019219.95  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
StatusPWater level was affected by pumping at the time of the measurement
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.