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Groundwater levels for the Nation

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  • 284757081320701
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USGS 284757081320701 L KNOWLES DEEP

Lake County, Florida
Latitude  28°47'57", Longitude  81°32'07" NAD83
Land-surface elevation 86.5 feet above NGVD29
The depth of the well is 154 feet below land surface.
The depth of the hole is 170 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.
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
1996-05-1500:05 UTCm62610 50.50NGVD291SUSGSSA
1996-05-1500:05 UTCm62611 49.53NAVD881SUSGSSA
1996-05-1500:05 UTCm7201936.00  1SUSGSSA
1999-08-1620:30 UTCm62610 44.90NGVD291SUSGSSA
1999-08-1620:30 UTCm62611 43.93NAVD881SUSGSSA
1999-08-1620:30 UTCm7201941.60  1SUSGSSA
2001-05-1500:30 UTCm62610 40.62NGVD291S  A
2001-05-1500:30 UTCm62611 39.65NAVD881S  A
2001-05-1500:30 UTCm7201945.88  1S  A
2002-05-1520:47 UTCm62610 41.67NGVD291S  A
2002-05-1520:47 UTCm62611 40.70NAVD881S  A
2002-05-1520:47 UTCm7201944.83  1S  A
2002-09-1713:00 UTCm62610 47.54NGVD291SFL085AA
2002-09-1713:00 UTCm62611 46.57NAVD881SFL085AA
2002-09-1713:00 UTCm7201938.96  1SFL085AA
2003-03-3113:40 UTCm62610 49.73NGVD291SUSGSSA
2003-03-3113:40 UTCm62611 48.76NAVD881SUSGSSA
2003-03-3113:40 UTCm7201936.77  1SUSGSSA
2003-05-2120:40 UTCm62610 48.30NGVD291SUSGSSA
2003-05-2120:40 UTCm62611 47.33NAVD881SUSGSSA
2003-05-2120:40 UTCm7201938.20  1SUSGSSA
2003-07-1315:45 UTCm62610 49.18NGVD291SUSGSSA
2003-07-1315:45 UTCm62611 48.21NAVD881SUSGSSA
2003-07-1315:45 UTCm7201937.32  1SUSGSSA
2003-09-1814:15 UTCm62610 50.37NGVD291SFL085AA
2003-09-1814:15 UTCm62611 49.40NAVD881SFL085AA
2003-09-1814:15 UTCm7201936.13  1SFL085AA
2004-01-2618:30 UTCm62610 48.32NGVD291SUSGSSA
2004-01-2618:30 UTCm62611 47.35NAVD881SUSGSSA
2004-01-2618:30 UTCm7201938.18  1SUSGSSA
2004-05-1713:50 UTCm62610 45.81NGVD291SFL085AA
2004-05-1713:50 UTCm62611 44.84NAVD881SFL085AA
2004-05-1713:50 UTCm7201940.69  1SFL085AA
2004-07-1516:45 UTCm62610 45.55NGVD291SUSGSSA
2004-07-1516:45 UTCm62611 44.58NAVD881SUSGSSA
2004-07-1516:45 UTCm7201940.95  1SUSGSSA
2004-09-2212:20 UTCm62610 50.84NGVD291SUSGSSA
2004-09-2212:20 UTCm62611 49.87NAVD881SUSGSSA
2004-09-2212:20 UTCm7201935.66  1SUSGSSA
2004-10-0200:00 UTCm62610 52.08NGVD291SUSGSSA
2004-10-0200:00 UTCm62611 51.11NAVD881SUSGSSA
2004-10-0200:00 UTCm7201934.42  1SUSGSSA
2004-10-0623:00 UTCm62610 52.32NGVD291SUSGSSA
2004-10-0623:00 UTCm62611 51.35NAVD881SUSGSSA
2004-10-0623:00 UTCm7201934.18  1SUSGSSA
2004-10-0821:00 UTCm62610 52.39NGVD291SUSGSSA
2004-10-0821:00 UTCm62611 51.42NAVD881SUSGSSA
2004-10-0821:00 UTCm7201934.11  1SUSGSSA
2004-10-1521:00 UTCm62610 52.50NGVD291SUSGSSA
2004-10-1521:00 UTCm62611 51.53NAVD881SUSGSSA
2004-10-1521:00 UTCm7201934.00  1SUSGSSA
2004-10-2221:50 UTCm62610 52.53NGVD291SUSGSSA
2004-10-2221:50 UTCm62611 51.56NAVD881SUSGSSA
2004-10-2221:50 UTCm7201933.97  1SUSGSSA
2004-10-2920:30 UTCm62610 52.27NGVD291SUSGSSA
2004-10-2920:30 UTCm62611 51.30NAVD881SUSGSSA
2004-10-2920:30 UTCm7201934.23  1SUSGSSA
2005-01-1517:45 UTCm62610 50.20NGVD291SUSGSSA
2005-01-1517:45 UTCm62611 49.23NAVD881SUSGSSA
2005-01-1517:45 UTCm7201936.30  1SUSGSSA
2005-05-2620:30 UTCm62610 47.43NGVD291SFL085AA
2005-05-2620:30 UTCm62611 46.46NAVD881SFL085AA
2005-05-2620:30 UTCm7201939.07  1SFL085AA
2005-07-1521:30 UTCm62610 50.87NGVD291SUSGSSA
2005-07-1521:30 UTCm62611 49.90NAVD881SUSGSSA
2005-07-1521:30 UTCm7201935.63  1SUSGSSA
2005-09-1914:50 UTCm62610 51.13NGVD291SFL085AA
2005-09-1914:50 UTCm62611 50.16NAVD881SFL085AA
2005-09-1914:50 UTCm7201935.37  1SFL085AA
2006-01-1615:00 UTCm62610 50.51NGVD291SUSGSSA
2006-01-1615:00 UTCm62611 49.54NAVD881SUSGSSA
2006-01-1615:00 UTCm7201935.99  1SUSGSSA
2006-05-1714:10 UTCm62610 46.73NGVD291SFL085AA
2006-05-1714:10 UTCm62611 45.76NAVD881SFL085AA
2006-05-1714:10 UTCm7201939.77  1SFL085AA
2006-07-1615:00 UTCm62610 46.15NGVD291SUSGSSA
2006-07-1615:00 UTCm62611 45.18NAVD881SUSGSSA
2006-07-1615:00 UTCm7201940.35  1SUSGSSA
2006-09-2213:43 UTCm62610 46.41NGVD291SFL085AA
2006-09-2213:43 UTCm62611 45.44NAVD881SFL085AA
2006-09-2213:43 UTCm7201940.09  1SFL085AA
2007-01-1621:30 UTCm62610 45.16NGVD291SUSGSSA
2007-01-1621:30 UTCm62611 44.19NAVD881SUSGSSA
2007-01-1621:30 UTCm7201941.34  1SUSGSSA
2007-05-2418:20 UTCm62610 42.07NGVD291SUSGSSA
2007-05-2418:20 UTCm62611 41.10NAVD881SUSGSSA
2007-05-2418:20 UTCm7201944.43  1SUSGSSA
2007-07-1821:00 UTCm62610 42.18NGVD291SUSGSSA
2007-07-1821:00 UTCm62611 41.21NAVD881SUSGSSA
2007-07-1821:00 UTCm7201944.32  1SUSGSSA
2007-09-1819:37 UTCm62610 42.74NGVD291SUSGSSA
2007-09-1819:37 UTCm62611 41.77NAVD881SUSGSSA
2007-09-1819:37 UTCm7201943.76  1SUSGSSA
2007-11-0320:30 UTCm62610 44.41NGVD291SUSGSSA
2007-11-0320:30 UTCm62611 43.44NAVD881SUSGSSA
2007-11-0320:30 UTCm7201942.09  1SUSGSSA
2008-01-1721:00 UTCm62610 43.91NGVD291SUSGSSA
2008-01-1721:00 UTCm62611 42.94NAVD881SUSGSSA
2008-01-1721:00 UTCm7201942.59  1SUSGSSA
2008-05-1918:30 UTCm62610 41.70NGVD291SUSGSSA
2008-05-1918:30 UTCm62611 40.73NAVD881SUSGSSA
2008-05-1918:30 UTCm7201944.80  1SUSGSSA
2008-07-0918:45 UTCm62610 42.58NGVD291SUSGSSA
2008-07-0918:45 UTCm62611 41.61NAVD881SUSGSSA
2008-07-0918:45 UTCm7201943.92  1SUSGSSA
2008-07-2019:00 UTCm62610 43.10NGVD291SUSGSSA
2008-07-2019:00 UTCm62611 42.13NAVD881SUSGSSA
2008-07-2019:00 UTCm7201943.40  1SUSGSSA
2008-09-1720:06 UTCm62610 49.78NGVD291SUSGSSA
2008-09-1720:06 UTCm62611 48.81NAVD881SUSGSSA
2008-09-1720:06 UTCm7201936.72  1SUSGSSA
2009-01-2621:45 UTCm62610 46.60NGVD291SUSGSSA
2009-01-2621:45 UTCm62611 45.63NAVD881SUSGSSA
2009-01-2621:45 UTCm7201939.90  1SUSGSSA
2009-05-2016:50 UTCm62610 44.06NGVD291SUSGSSA
2009-05-2016:50 UTCm62611 43.09NAVD881SUSGSSA
2009-05-2016:50 UTCm7201942.44  1SUSGSSA
2009-08-0320:00 UTCm62610 49.43NGVD291SUSGSSA
2009-08-0320:00 UTCm62611 48.46NAVD881SUSGSSA
2009-08-0320:00 UTCm7201937.07  1SUSGSSA
2009-09-2415:57 UTCm62610 49.61NGVD291SUSGSSA
2009-09-2415:57 UTCm62611 48.64NAVD881SUSGSSA
2009-09-2415:57 UTCm7201936.89  1SUSGSSA
2010-02-0420:45 UTCm62610 48.32NGVD291SUSGSSA
2010-02-0420:45 UTCm62611 47.35NAVD881SUSGSSA
2010-02-0420:45 UTCm7201938.18  1SUSGSSA
2010-05-1721:45 UTCm62610 48.82NGVD291SUSGSSA
2010-05-1721:45 UTCm62611 47.85NAVD881SUSGSSA
2010-05-1721:45 UTCm7201937.68  1SUSGSSA
2010-08-1221:10 UTCm62610 47.93NGVD291SUSGSSA
2010-08-1221:10 UTCm62611 46.96NAVD881SUSGSSA
2010-08-1221:10 UTCm7201938.57  1SUSGSSA
2010-09-1616:42 UTCm62610 47.84NGVD291SUSGSSA
2010-09-1616:42 UTCm62611 46.87NAVD881SUSGSSA
2010-09-1616:42 UTCm7201938.66  1SUSGSSA
2011-01-2320:00 UTCm62610 45.86NGVD291SUSGSSA
2011-01-2320:00 UTCm62611 44.89NAVD881SUSGSSA
2011-01-2320:00 UTCm7201940.64  1SUSGSSA
2011-05-2217:00 UTCm62610 44.18NGVD291SUSGSSA
2011-05-2217:00 UTCm62611 43.21NAVD881SUSGSSA
2011-05-2217:00 UTCm7201942.32  1SUSGSSA
2011-07-2318:02 UTCm62610 44.66NGVD291SUSGSSA
2011-07-2318:02 UTCm62611 43.69NAVD881SUSGSSA
2011-07-2318:02 UTCm7201941.84  1SUSGSSA
2011-09-2614:00 UTCm62610 45.45NGVD291SUSGSSA
2011-09-2614:00 UTCm62611 44.48NAVD881SUSGSSA
2011-09-2614:00 UTCm7201941.05  1SUSGSSA
2012-02-2121:30 UTCm62610 43.96NGVD291SUSGSSA
2012-02-2121:30 UTCm62611 42.99NAVD881SUSGSSA
2012-02-2121:30 UTCm7201942.54  1SUSGSSA
2012-05-3122:00 UTCm62610 41.60NGVD291SUSGSSA
2012-05-3122:00 UTCm62611 40.63NAVD881SUSGSSA
2012-05-3122:00 UTCm7201944.90  1SUSGSSA
2012-07-3121:15 UTCm62610 43.72NGVD291SUSGSSA
2012-07-3121:15 UTCm62611 42.75NAVD881SUSGSSA
2012-07-3121:15 UTCm7201942.78  1SUSGSSA
2012-09-2621:05 UTCm62610 45.31NGVD291SUSGSSA
2012-09-2621:05 UTCm62611 44.34NAVD881SUSGSSA
2012-09-2621:05 UTCm7201941.19  1SUSGSSA
2013-01-3115:30 UTCm62610 44.12NGVD291S  A
2013-01-3115:30 UTCm62611 43.15NAVD881S  A
2013-01-3115:30 UTCm7201942.38  1S  A
2013-06-0117:15 UTCm62610 43.08NGVD291S  A
2013-06-0117:15 UTCm62611 42.11NAVD881S  A
2013-06-0117:15 UTCm7201943.42  1S  A
2013-07-3013:45 UTCm62610 46.50NGVD291S  A
2013-07-3013:45 UTCm62611 45.53NAVD881S  A
2013-07-3013:45 UTCm7201940.00  1S  A
2013-10-0119:45 UTCm62610 47.13NGVD291S  A
2013-10-0119:45 UTCm62611 46.16NAVD881S  A
2013-10-0119:45 UTCm7201939.37  1S  A
2014-01-3120:55 UTCm62610 45.12NGVD291S  A
2014-01-3120:55 UTCm62611 44.15NAVD881S  A
2014-01-3120:55 UTCm7201941.38  1S  A
2014-05-3121:35 UTCm62610 44.40NGVD291S  A
2014-05-3121:35 UTCm62611 43.43NAVD881S  A
2014-05-3121:35 UTCm7201942.10  1S  A
2014-07-3118:55 UTCm62610 46.40NGVD291S  A
2014-07-3118:55 UTCm62611 45.43NAVD881S  A
2014-07-3118:55 UTCm7201940.10  1S  A
2014-09-3018:30 UTCm62610 47.63NGVD291S  A
2014-09-3018:30 UTCm62611 46.66NAVD881S  A
2014-09-3018:30 UTCm7201938.87  1S  A
2015-01-3118:35 UTCm62610 47.92NGVD291S  A
2015-01-3118:35 UTCm62611 46.95NAVD881S  A
2015-01-3118:35 UTCm7201938.58  1S  A
2015-06-0918:45 UTCm62610 45.21NGVD291S  A
2015-06-0918:45 UTCm62611 44.24NAVD881S  A
2015-06-0918:45 UTCm7201941.29  1S  A
2015-07-3122:18 UTCm62610 45.44NGVD291S  A
2015-07-3122:18 UTCm62611 44.47NAVD881S  A
2015-07-3122:18 UTCm7201941.06  1S  A
2015-09-3019:07 UTCm62610 48.21NGVD291S  A
2015-09-3019:07 UTCm62611 47.24NAVD881S  A
2015-09-3019:07 UTCm7201938.29  1S  A
2016-01-3117:15 UTCm62610 47.49NGVD291S  A
2016-01-3117:15 UTCm62611 46.52NAVD881S  A
2016-01-3117:15 UTCm7201939.01  1S  A
2016-05-3120:07 UTCm62610 45.46NGVD291S  A
2016-05-3120:07 UTCm62611 44.49NAVD881S  A
2016-05-3120:07 UTCm7201941.04  1S  A
2016-07-2716:43 UTCm62610 45.00NGVD291S  A
2016-07-2716:43 UTCm62611 44.03NAVD881S  A
2016-07-2716:43 UTCm7201941.50  1S  A
2016-09-3018:52 UTCm62610 45.53NGVD291S  A
2016-09-3018:52 UTCm62611 44.56NAVD881S  A
2016-09-3018:52 UTCm7201940.97  1S  A
2017-02-0819:29 UTCm62610 44.83NGVD291S  A
2017-02-0819:29 UTCm62611 43.86NAVD881S  A
2017-02-0819:29 UTCm7201941.67  1S  A
2017-05-3122:10 UTCm62610 41.61NGVD291S  A
2017-05-3122:10 UTCm62611 40.64NAVD881S  A
2017-05-3122:10 UTCm7201944.89  1S  A
2017-07-3122:08 UTCm62610 45.27NGVD291S  A
2017-07-3122:08 UTCm62611 44.30NAVD881S  A
2017-07-3122:08 UTCm7201941.23  1S  A
2017-09-3017:03 UTCm62610 51.99NGVD291S  A
2017-09-3017:03 UTCm62611 51.02NAVD881S  A
2017-09-3017:03 UTCm7201934.51  1S  A
2018-01-3120:11 UTCm62610 48.64NGVD291S  A
2018-01-3120:11 UTCm62611 47.67NAVD881S  A
2018-01-3120:11 UTCm7201937.86  1S  A
2018-05-3117:09 UTCm62610 47.52NGVD291S  A
2018-05-3117:09 UTCm62611 46.55NAVD881S  A
2018-05-3117:09 UTCm7201938.98  1S  A
2018-07-3122:22 UTCm62610 49.50NGVD291S  A
2018-07-3122:22 UTCm62611 48.53NAVD881S  A
2018-07-3122:22 UTCm7201937.00  1S  A
2018-09-3017:30 UTCm62610 50.10NGVD291S  A
2018-09-3017:30 UTCm62611 49.13NAVD881S  A
2018-09-3017:30 UTCm7201936.40  1S  A

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
Method of measurementSSteel-tape measurement.
Measuring agencyNot determined
Measuring agencyFL085St. Johns River Water Management District, FL
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.