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Groundwater levels for the Nation

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USGS 300341081395401 SJ-12

St. Johns County, Florida
Latitude  30°03'41", Longitude  81°39'54" NAD27
Land-surface elevation 15.00 feet above NGVD29
The depth of the well is 700 feet below land surface.
This well is completed in the Floridan aquifer system (S400FLORDN) national aquifer.
This well is completed in the Floridan Aquifer System (120FLRD) local aquifer.
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Table of data
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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
1970-04-01 D62610 38.00NGVD291SUSGSSA
1970-04-01 D62611 36.96NAVD881SUSGSSA
1970-04-01 D72019-23.00  1SUSGSSA
1978-05-1016:30 UTCm62610 33.00NGVD291Z  A
1978-05-1016:30 UTCm62611 31.96NAVD881Z  A
1978-05-1016:30 UTCm72019-18.00  1Z  A
1978-09-2615:00 UTCm62610 35.20NGVD291Z  A
1978-09-2615:00 UTCm62611 34.16NAVD881Z  A
1978-09-2615:00 UTCm72019-20.20  1Z  A
1979-05-0321:00 UTCm62610 33.20NGVD291Z  A
1979-05-0321:00 UTCm62611 32.16NAVD881Z  A
1979-05-0321:00 UTCm72019-18.20  1Z  A
1980-05-1216:00 UTCm62610 40.60NGVD291Z  A
1980-05-1216:00 UTCm62611 39.56NAVD881Z  A
1980-05-1216:00 UTCm72019-25.60  1Z  A
1980-09-0917:00 UTCm62610 33.90NGVD291Z  A
1980-09-0917:00 UTCm62611 32.86NAVD881Z  A
1980-09-0917:00 UTCm72019-18.90  1Z  A
1981-05-1213:45 UTCm62610 30.50NGVD291Z  A
1981-05-1213:45 UTCm62611 29.46NAVD881Z  A
1981-05-1213:45 UTCm72019-15.50  1Z  A
1981-09-2114:50 UTCm62610 33.60NGVD291Z  A
1981-09-2114:50 UTCm62611 32.56NAVD881Z  A
1981-09-2114:50 UTCm72019-18.60  1Z  A
1982-05-1120:00 UTCm62610 32.90NGVD291Z  A
1982-05-1120:00 UTCm62611 31.86NAVD881Z  A
1982-05-1120:00 UTCm72019-17.90  1Z  A
1982-09-1418:45 UTCm62610 35.90NGVD291Z  A
1982-09-1418:45 UTCm62611 34.86NAVD881Z  A
1982-09-1418:45 UTCm72019-20.90  1Z  A
1983-09-1414:50 UTCm62610 35.00NGVD291Z  A
1983-09-1414:50 UTCm62611 33.96NAVD881Z  A
1983-09-1414:50 UTCm72019-20.00  1Z  A
1984-05-1519:35 UTCm62610 33.20NGVD291Z  A
1984-05-1519:35 UTCm62611 32.16NAVD881Z  A
1984-05-1519:35 UTCm72019-18.20  1Z  A
1984-09-1016:15 UTCm62610 34.60NGVD291Z  A
1984-09-1016:15 UTCm62611 33.56NAVD881Z  A
1984-09-1016:15 UTCm72019-19.60  1Z  A
1985-05-1313:45 UTCm62610 29.90NGVD291Z  A
1985-05-1313:45 UTCm62611 28.86NAVD881Z  A
1985-05-1313:45 UTCm72019-14.90  1Z  A
1985-09-1012:50 UTCm62610 33.20NGVD291Z  A
1985-09-1012:50 UTCm62611 32.16NAVD881Z  A
1985-09-1012:50 UTCm72019-18.20  1Z  A
1986-05-1221:55 UTCm62610 29.80NGVD291Z  A
1986-05-1221:55 UTCm62611 28.76NAVD881Z  A
1986-05-1221:55 UTCm72019-14.80  1Z  A
1986-09-1521:00 UTCm62610 32.70NGVD291Z  A
1986-09-1521:00 UTCm62611 31.66NAVD881Z  A
1986-09-1521:00 UTCm72019-17.70  1Z  A
1987-05-1117:30 UTCm62610 30.50NGVD291Z  A
1987-05-1117:30 UTCm62611 29.46NAVD881Z  A
1987-05-1117:30 UTCm72019-15.50  1Z  A
1987-09-1418:30 UTCm62610 30.90NGVD291Z  A
1987-09-1418:30 UTCm62611 29.86NAVD881Z  A
1987-09-1418:30 UTCm72019-15.90  1Z  A
1988-09-2118:30 UTCm62610 29.70NGVD291Z  A
1988-09-2118:30 UTCm62611 28.66NAVD881Z  A
1988-09-2118:30 UTCm72019-14.70  1Z  A
1989-05-2217:50 UTCm62610 27.40NGVD291Z  A
1989-05-2217:50 UTCm62611 26.36NAVD881Z  A
1989-05-2217:50 UTCm72019-12.40  1Z  A
1989-09-1417:45 UTCm62610 26.60NGVD291Z  A
1989-09-1417:45 UTCm62611 25.56NAVD881Z  A
1989-09-1417:45 UTCm72019-11.60  1Z  A
1989-09-2115:35 UTCm62610 29.00NGVD291Z  A
1989-09-2115:35 UTCm62611 27.96NAVD881Z  A
1989-09-2115:35 UTCm72019-14.00  1Z  A
1990-05-1417:45 UTCm62610 26.60NGVD291Z  A
1990-05-1417:45 UTCm62611 25.56NAVD881Z  A
1990-05-1417:45 UTCm72019-11.60  1Z  A
1990-09-1316:30 UTCm62610 29.40NGVD291Z  A
1990-09-1316:30 UTCm62611 28.36NAVD881Z  A
1990-09-1316:30 UTCm72019-14.40  1Z  A
1991-05-1517:40 UTCm62610 32.20NGVD291Z  A
1991-05-1517:40 UTCm62611 31.16NAVD881Z  A
1991-05-1517:40 UTCm72019-17.20  1Z  A
1991-09-1218:15 UTCm62610 34.00NGVD291Z  A
1991-09-1218:15 UTCm62611 32.96NAVD881Z  A
1991-09-1218:15 UTCm72019-19.00  1Z  A
1992-05-0516:30 UTCm62610 29.20NGVD291Z  A
1992-05-0516:30 UTCm62611 28.16NAVD881Z  A
1992-05-0516:30 UTCm72019-14.20  1Z  A
1992-09-1722:25 UTCm62610 32.50NGVD291Z  A
1992-09-1722:25 UTCm62611 31.46NAVD881Z  A
1992-09-1722:25 UTCm72019-17.50  1Z  A
1993-05-1916:15 UTCm62610 28.60NGVD291Z  A
1993-05-1916:15 UTCm62611 27.56NAVD881Z  A
1993-05-1916:15 UTCm72019-13.60  1Z  A
1993-09-1517:15 UTCm62610 31.47NGVD291Z  A
1993-09-1517:15 UTCm62611 30.43NAVD881Z  A
1993-09-1517:15 UTCm72019-16.47  1Z  A
1994-05-1714:20 UTCm62610 29.67NGVD291Z  A
1994-05-1714:20 UTCm62611 28.63NAVD881Z  A
1994-05-1714:20 UTCm72019-14.67  1Z  A
1994-09-2214:40 UTCm62610 33.67NGVD291Z  A
1994-09-2214:40 UTCm62611 32.63NAVD881Z  A
1994-09-2214:40 UTCm72019-18.67  1Z  A
1995-05-1717:15 UTCm62610 31.87NGVD291Z  A
1995-05-1717:15 UTCm62611 30.83NAVD881Z  A
1995-05-1717:15 UTCm72019-16.87  1Z  A
1995-09-1317:30 UTCm62610 34.27NGVD291Z  A
1995-09-1317:30 UTCm62611 33.23NAVD881Z  A
1995-09-1317:30 UTCm72019-19.27  1Z  A
1996-05-1316:40 UTCm62610 30.67NGVD291Z  A
1996-05-1316:40 UTCm62611 29.63NAVD881Z  A
1996-05-1316:40 UTCm72019-15.67  1Z  A
1996-09-1217:30 UTCm62610 32.87NGVD291Z  A
1996-09-1217:30 UTCm62611 31.83NAVD881Z  A
1996-09-1217:30 UTCm72019-17.87  1Z  A
1997-05-1517:15 UTCm62610 31.87NGVD291Z  A
1997-05-1517:15 UTCm62611 30.83NAVD881Z  A
1997-05-1517:15 UTCm72019-16.87  1Z  A
1997-09-1017:45 UTCm62610 32.87NGVD291Z  A
1997-09-1017:45 UTCm62611 31.83NAVD881Z  A
1997-09-1017:45 UTCm72019-17.87  1Z  A
1998-05-1118:30 UTCm62610 31.27NGVD291Z  A
1998-05-1118:30 UTCm62611 30.23NAVD881Z  A
1998-05-1118:30 UTCm72019-16.27  1Z  A
1998-09-1418:00 UTCm62610 32.17NGVD291Z  A
1998-09-1418:00 UTCm62611 31.13NAVD881Z  A
1998-09-1418:00 UTCm72019-17.17  1Z  A
1999-05-1317:20 UTCm62610 27.87NGVD291Z  A
1999-05-1317:20 UTCm62611 26.83NAVD881Z  A
1999-05-1317:20 UTCm72019-12.87  1Z  A
1999-09-2216:45 UTCm62610 31.07NGVD291Z  A
1999-09-2216:45 UTCm62611 30.03NAVD881Z  A
1999-09-2216:45 UTCm72019-16.07  1Z  A
2000-05-1616:10 UTCm62610 25.67NGVD291Z  A
2000-05-1616:10 UTCm62611 24.63NAVD881Z  A
2000-05-1616:10 UTCm72019-10.67  1Z  A
2000-09-1315:00 UTCm62610 29.87NGVD291Z  A
2000-09-1315:00 UTCm62611 28.83NAVD881Z  A
2000-09-1315:00 UTCm72019-14.87  1Z  A
2001-05-1415:30 UTCm62610 25.97NGVD291G  A
2001-05-1415:30 UTCm62611 24.93NAVD881G  A
2001-05-1415:30 UTCm72019-10.97  1G  A
2001-09-2615:20 UTCm62610 31.67NGVD291G  A
2001-09-2615:20 UTCm62611 30.63NAVD881G  A
2001-09-2615:20 UTCm72019-16.67  1G  A
2002-05-1415:00 UTCm62610 25.27NGVD291G  A
2002-05-1415:00 UTCm62611 24.23NAVD881G  A
2002-05-1415:00 UTCm72019-10.27  1G  A
2002-09-1718:10 UTCm62610 31.57NGVD291GUSGSSA
2002-09-1718:10 UTCm62611 30.53NAVD881GUSGSSA
2002-09-1718:10 UTCm72019-16.57  1GUSGSSA
2003-05-2018:00 UTCm62610 30.27NGVD291GUSGSSA
2003-05-2018:00 UTCm62611 29.23NAVD881GUSGSSA
2003-05-2018:00 UTCm72019-15.27  1GUSGSSA
2003-09-1715:50 UTCm62610 33.47NGVD291GUSGSSA
2003-09-1715:50 UTCm62611 32.43NAVD881GUSGSSA
2003-09-1715:50 UTCm72019-18.47  1GUSGSSA
2004-05-1915:15 UTCm62610 28.87NGVD291GUSGSSA
2004-05-1915:15 UTCm62611 27.83NAVD881GUSGSSA
2004-05-1915:15 UTCm72019-13.87  1GUSGSSA
2004-09-2217:00 UTCm62610 34.57NGVD291GUSGSSA
2004-09-2217:00 UTCm62611 33.53NAVD881GUSGSSA
2004-09-2217:00 UTCm72019-19.57  1GUSGSSA
2005-05-2520:00 UTCm62610 32.27NGVD291GUSGSSA
2005-05-2520:00 UTCm62611 31.23NAVD881GUSGSSA
2005-05-2520:00 UTCm72019-17.27  1GUSGSSA
2005-09-2119:30 UTCm62610 33.37NGVD291GUSGSSA
2005-09-2119:30 UTCm62611 32.33NAVD881GUSGSSA
2005-09-2119:30 UTCm72019-18.37  1GUSGSSA
2006-05-2418:45 UTCm62610 27.27NGVD291GUSGSSA
2006-05-2418:45 UTCm62611 26.23NAVD881GUSGSSA
2006-05-2418:45 UTCm72019-12.27  1GUSGSSA
2006-09-2017:00 UTCm62610 29.87NGVD291GUSGSSA
2006-09-2017:00 UTCm62611 28.83NAVD881GUSGSSA
2006-09-2017:00 UTCm72019-14.87  1GUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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
Method of measurementGPressure-gage measurement.
Method of measurementSSteel-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.