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Groundwater levels for the Nation

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USGS 301037081243901 SJ-10

St. Johns County, Florida
Latitude  30°10'37", Longitude  81°24'39" NAD27
Land-surface elevation 11.00 feet above NGVD29
The depth of the well is 405 feet below land surface.
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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
1965-08-01 D62610 -18.00NGVD291GUSGSSA
1965-08-01 D62611 -19.08NAVD881GUSGSSA
1965-08-01 D7201929.00  1GUSGSSA
1974-05-2917:00 UTCm62610 32.20NGVD291Z  A
1974-05-2917:00 UTCm62611 31.12NAVD881Z  A
1974-05-2917:00 UTCm72019-21.20  1Z  A
1977-05-0217:00 UTCm62610 30.20NGVD291Z  A
1977-05-0217:00 UTCm62611 29.12NAVD881Z  A
1977-05-0217:00 UTCm72019-19.20  1Z  A
1977-09-2117:00 UTCm62610 32.50NGVD291Z  A
1977-09-2117:00 UTCm62611 31.42NAVD881Z  A
1977-09-2117:00 UTCm72019-21.50  1Z  A
1978-05-0414:00 UTCm62610 31.60NGVD291Z  A
1978-05-0414:00 UTCm62611 30.52NAVD881Z  A
1978-05-0414:00 UTCm72019-20.60  1Z  A
1978-09-2915:45 UTCm62610 34.10NGVD291Z  A
1978-09-2915:45 UTCm62611 33.02NAVD881Z  A
1978-09-2915:45 UTCm72019-23.10  1Z  A
1979-05-0815:30 UTCm62610 32.80NGVD291Z  A
1979-05-0815:30 UTCm62611 31.72NAVD881Z  A
1979-05-0815:30 UTCm72019-21.80  1Z  A
1980-05-1414:30 UTCm62610 33.00NGVD291Z  A
1980-05-1414:30 UTCm62611 31.92NAVD881Z  A
1980-05-1414:30 UTCm72019-22.00  1Z  A
1980-09-1014:30 UTCm62610 30.00NGVD291Z  A
1980-09-1014:30 UTCm62611 28.92NAVD881Z  A
1980-09-1014:30 UTCm72019-19.00  1Z  A
1981-05-1215:10 UTCm62610 27.40NGVD291Z  A
1981-05-1215:10 UTCm62611 26.32NAVD881Z  A
1981-05-1215:10 UTCm72019-16.40  1Z  A
1981-09-2415:00 UTCm62610 30.30NGVD291Z  A
1981-09-2415:00 UTCm62611 29.22NAVD881Z  A
1981-09-2415:00 UTCm72019-19.30  1Z  A
1982-05-1415:37 UTCm62610 29.30NGVD291Z  A
1982-05-1415:37 UTCm62611 28.22NAVD881Z  A
1982-05-1415:37 UTCm72019-18.30  1Z  A
1982-09-1614:15 UTCm62610 32.80NGVD291Z  A
1982-09-1614:15 UTCm62611 31.72NAVD881Z  A
1982-09-1614:15 UTCm72019-21.80  1Z  A
1983-09-1615:35 UTCm62610 32.60NGVD291Z  A
1983-09-1615:35 UTCm62611 31.52NAVD881Z  A
1983-09-1615:35 UTCm72019-21.60  1Z  A
1984-05-1614:30 UTCm62610 30.20NGVD291Z  A
1984-05-1614:30 UTCm62611 29.12NAVD881Z  A
1984-05-1614:30 UTCm72019-19.20  1Z  A
1985-05-1615:55 UTCm62610 28.00NGVD291Z  A
1985-05-1615:55 UTCm62611 26.92NAVD881Z  A
1985-05-1615:55 UTCm72019-17.00  1Z  A
1985-09-1214:50 UTCm62610 30.80NGVD291Z  A
1985-09-1214:50 UTCm62611 29.72NAVD881Z  A
1985-09-1214:50 UTCm72019-19.80  1Z  A
1986-05-1414:55 UTCm62610 26.30NGVD291Z  A
1986-05-1414:55 UTCm62611 25.22NAVD881Z  A
1986-05-1414:55 UTCm72019-15.30  1Z  A
1986-09-1714:50 UTCm62610 28.70NGVD291Z  A
1986-09-1714:50 UTCm62611 27.62NAVD881Z  A
1986-09-1714:50 UTCm72019-17.70  1Z  A
1987-05-1414:45 UTCm62610 26.80NGVD291Z  A
1987-05-1414:45 UTCm62611 25.72NAVD881Z  A
1987-05-1414:45 UTCm72019-15.80  1Z  A
1987-09-1714:40 UTCm62610 26.20NGVD291Z  A
1987-09-1714:40 UTCm62611 25.12NAVD881Z  A
1987-09-1714:40 UTCm72019-15.20  1Z  A
1988-05-2415:00 UTCm62610 25.60NGVD291Z  A
1988-05-2415:00 UTCm62611 24.52NAVD881Z  A
1988-05-2415:00 UTCm72019-14.60  1Z  A
1988-09-2214:50 UTCm62610 27.40NGVD291Z  A
1988-09-2214:50 UTCm62611 26.32NAVD881Z  A
1988-09-2214:50 UTCm72019-16.40  1Z  A
1989-05-2414:30 UTCm62610 25.80NGVD291Z  A
1989-05-2414:30 UTCm62611 24.72NAVD881Z  A
1989-05-2414:30 UTCm72019-14.80  1Z  A
1989-09-2114:45 UTCm62610 28.40NGVD291Z  A
1989-09-2114:45 UTCm62611 27.32NAVD881Z  A
1989-09-2114:45 UTCm72019-17.40  1Z  A
1990-05-1414:45 UTCm62610 25.20NGVD291Z  A
1990-05-1414:45 UTCm62611 24.12NAVD881Z  A
1990-05-1414:45 UTCm72019-14.20  1Z  A
1990-09-1314:30 UTCm62610 24.80NGVD291Z  A
1990-09-1314:30 UTCm62611 23.72NAVD881Z  A
1990-09-1314:30 UTCm72019-13.80  1Z  A
1991-05-1614:45 UTCm62610 28.80NGVD291Z  A
1991-05-1614:45 UTCm62611 27.72NAVD881Z  A
1991-05-1614:45 UTCm72019-17.80  1Z  A
1991-09-1215:00 UTCm62610 31.40NGVD291Z  A
1991-09-1215:00 UTCm62611 30.32NAVD881Z  A
1991-09-1215:00 UTCm72019-20.40  1Z  A
1992-05-0813:55 UTCm62610 26.60NGVD291Z  A
1992-05-0813:55 UTCm62611 25.52NAVD881Z  A
1992-05-0813:55 UTCm72019-15.60  1Z  A
1992-09-1714:30 UTCm62610 30.20NGVD291Z  A
1992-09-1714:30 UTCm62611 29.12NAVD881Z  A
1992-09-1714:30 UTCm72019-19.20  1Z  A
1993-05-2014:10 UTCm62610 25.60NGVD291Z  A
1993-05-2014:10 UTCm62611 24.52NAVD881Z  A
1993-05-2014:10 UTCm72019-14.60  1Z  A
1993-09-1714:50 UTCm62610 26.20NGVD291Z  A
1993-09-1714:50 UTCm62611 25.12NAVD881Z  A
1993-09-1714:50 UTCm72019-15.20  1Z  A
1994-05-2014:50 UTCm62610 25.00NGVD291Z  A
1994-05-2014:50 UTCm62611 23.92NAVD881Z  A
1994-05-2014:50 UTCm72019-14.00  1Z  A
1994-09-2315:00 UTCm62610 30.40NGVD291Z  A
1994-09-2315:00 UTCm62611 29.32NAVD881Z  A
1994-09-2315:00 UTCm72019-19.40  1Z  A
1995-05-1813:45 UTCm62610 26.40NGVD291Z  A
1995-05-1813:45 UTCm62611 25.32NAVD881Z  A
1995-05-1813:45 UTCm72019-15.40  1Z  A
1995-09-1515:00 UTCm62610 30.60NGVD291Z  A
1995-09-1515:00 UTCm62611 29.52NAVD881Z  A
1995-09-1515:00 UTCm72019-19.60  1Z  A
1996-05-2114:50 UTCm62610 25.00NGVD291Z  A
1996-05-2114:50 UTCm62611 23.92NAVD881Z  A
1996-05-2114:50 UTCm72019-14.00  1Z  A
1996-09-1616:10 UTCm62610 26.60NGVD291Z  A
1996-09-1616:10 UTCm62611 25.52NAVD881Z  A
1996-09-1616:10 UTCm72019-15.60  1Z  A
1997-05-2014:45 UTCm62610 27.29NGVD291Z  A
1997-05-2014:45 UTCm62611 26.21NAVD881Z  A
1997-05-2014:45 UTCm72019-16.29  1Z  A
1997-09-1214:40 UTCm62610 28.49NGVD291Z  A
1997-09-1214:40 UTCm62611 27.41NAVD881Z  A
1997-09-1214:40 UTCm72019-17.49  1Z  A
1998-05-1814:45 UTCm62610 25.69NGVD291Z  A
1998-05-1814:45 UTCm62611 24.61NAVD881Z  A
1998-05-1814:45 UTCm72019-14.69  1Z  A
1998-09-2314:30 UTCm62610 28.39NGVD291Z  A
1998-09-2314:30 UTCm62611 27.31NAVD881Z  A
1998-09-2314:30 UTCm72019-17.39  1Z  A
1999-05-1314:20 UTCm62610 23.19NGVD291Z  A
1999-05-1314:20 UTCm62611 22.11NAVD881Z  A
1999-05-1314:20 UTCm72019-12.19  1Z  A
1999-09-2414:50 UTCm62610 28.39NGVD291Z  A
1999-09-2414:50 UTCm62611 27.31NAVD881Z  A
1999-09-2414:50 UTCm72019-17.39  1Z  A
2001-05-1715:50 UTCm62610 19.69NGVD291G  A
2001-05-1715:50 UTCm62611 18.61NAVD881G  A
2001-05-1715:50 UTCm72019-8.69  1G  A
2001-09-2715:00 UTCm62610 28.49NGVD291G  A
2001-09-2715:00 UTCm62611 27.41NAVD881G  A
2001-09-2715:00 UTCm72019-17.49  1G  A
2002-05-1514:50 UTCm62610 20.29NGVD291G  A
2002-05-1514:50 UTCm62611 19.21NAVD881G  A
2002-05-1514:50 UTCm72019-9.29  1G  A
2002-09-2415:00 UTCm62610 26.29NGVD291GUSGSSA
2002-09-2415:00 UTCm62611 25.21NAVD881GUSGSSA
2002-09-2415:00 UTCm72019-15.29  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 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.