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Groundwater levels for the Nation

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  • 280438082075301
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USGS 280438082075301 MARTIN M GRIFFIN ROAD WELL NEAR KNIGHTS FL

Hillsborough County, Florida
Latitude  28°04'38.4", Longitude  82°07'52.7" NAD83
Land-surface elevation 104.50 feet above NGVD29
The depth of the well is 469 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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Water-level
date-time
accuracy
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Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
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Method of
measurement
?
 
Measuring
agency
?
 
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measurement
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Water-level
approval
status
1976-05-1119:05 UTCm62610 88.23NGVD291SUSGSSA
1976-05-1119:05 UTCm62611 87.35NAVD881SUSGSSA
1976-05-1119:05 UTCm7201916.27  1SUSGSSA
1976-09-0916:00 UTCm62610 95.12NGVD291SUSGSSA
1976-09-0916:00 UTCm62611 94.24NAVD881SUSGSSA
1976-09-0916:00 UTCm720199.38  1SUSGSSA
1977-05-0916:20 UTCm62610 88.02NGVD291SUSGSSA
1977-05-0916:20 UTCm62611 87.14NAVD881SUSGSSA
1977-05-0916:20 UTCm7201916.48  1SUSGSSA
1977-09-1916:25 UTCm62610 91.99NGVD291SUSGSSA
1977-09-1916:25 UTCm62611 91.11NAVD881SUSGSSA
1977-09-1916:25 UTCm7201912.51  1SUSGSSA
1978-05-1616:00 UTCm62610 90.32NGVD291S  A
1978-05-1616:00 UTCm62611 89.44NAVD881S  A
1978-05-1616:00 UTCm7201914.18  1S  A
1978-09-2714:15 UTCm62610 91.93NGVD291S  A
1978-09-2714:15 UTCm62611 91.05NAVD881S  A
1978-09-2714:15 UTCm7201912.57  1S  A
1979-05-1413:00 UTCm62610 94.29NGVD291S  A
1979-05-1413:00 UTCm62611 93.41NAVD881S  A
1979-05-1413:00 UTCm7201910.21  1S  A
1979-09-2019:30 UTCm62610 98.78NGVD291S  A
1979-09-2019:30 UTCm62611 97.90NAVD881S  A
1979-09-2019:30 UTCm720195.72  1S  A
1980-05-1312:42 UTCm62610 93.84NGVD291S  A
1980-05-1312:42 UTCm62611 92.96NAVD881S  A
1980-05-1312:42 UTCm7201910.66  1S  A
1981-05-1814:44 UTCm62610 87.27NGVD291S  A
1981-05-1814:44 UTCm62611 86.39NAVD881S  A
1981-05-1814:44 UTCm7201917.23  1S  A
1981-09-2114:47 UTCm62610 94.11NGVD291S  A
1981-09-2114:47 UTCm62611 93.23NAVD881S  A
1981-09-2114:47 UTCm7201910.39  1S  A
1982-09-1415:05 UTCm62610 96.00NGVD291S  A
1982-09-1415:05 UTCm62611 95.12NAVD881S  A
1982-09-1415:05 UTCm720198.50  1S  A
1983-05-1714:55 UTCm62610 94.67NGVD291S  A
1983-05-1714:55 UTCm62611 93.79NAVD881S  A
1983-05-1714:55 UTCm720199.83  1S  A
1983-09-1313:41 UTCm62610 98.66NGVD291S  A
1983-09-1313:41 UTCm62611 97.78NAVD881S  A
1983-09-1313:41 UTCm720195.84  1S  A
1984-05-1513:55 UTCm62610 94.77NGVD291S  A
1984-05-1513:55 UTCm62611 93.89NAVD881S  A
1984-05-1513:55 UTCm720199.73  1S  A
1984-09-1113:47 UTCm62610 97.19NGVD291S  A
1984-09-1113:47 UTCm62611 96.31NAVD881S  A
1984-09-1113:47 UTCm720197.31  1S  A
1985-05-1413:38 UTCm62610 88.13NGVD291S  A
1985-05-1413:38 UTCm62611 87.25NAVD881S  A
1985-05-1413:38 UTCm7201916.37  1S  A
1985-09-0913:18 UTCm62610 98.17NGVD291S  A
1985-09-0913:18 UTCm62611 97.29NAVD881S  A
1985-09-0913:18 UTCm720196.33  1S  A
1986-05-1213:51 UTCm62610 90.95NGVD291S  A
1986-05-1213:51 UTCm62611 90.07NAVD881S  A
1986-05-1213:51 UTCm7201913.55  1S  A
1986-09-1513:37 UTCm62610 97.69NGVD291S  A
1986-09-1513:37 UTCm62611 96.81NAVD881S  A
1986-09-1513:37 UTCm720196.81  1S  A
1987-05-1915:17 UTCm62610 96.58NGVD291S  A
1987-05-1915:17 UTCm62611 95.70NAVD881S  A
1987-05-1915:17 UTCm720197.92  1S  A
1987-09-1513:30 UTCm62610 96.62NGVD291S  A
1987-09-1513:30 UTCm62611 95.74NAVD881S  A
1987-09-1513:30 UTCm720197.88  1S  A
1988-09-1915:42 UTCm62610 98.24NGVD291S  A
1988-09-1915:42 UTCm62611 97.36NAVD881S  A
1988-09-1915:42 UTCm720196.26  1S  A
1989-05-1514:20 UTCm62610 89.24NGVD291S  A
1989-05-1514:20 UTCm62611 88.36NAVD881S  A
1989-05-1514:20 UTCm7201915.26  1S  A
1989-09-1218:20 UTCm62610 91.53NGVD291S  A
1989-09-1218:20 UTCm62611 90.65NAVD881S  A
1989-09-1218:20 UTCm7201912.97  1S  A
1990-05-1513:55 UTCm62610 87.84NGVD291S  A
1990-05-1513:55 UTCm62611 86.96NAVD881S  A
1990-05-1513:55 UTCm7201916.66  1S  A
1990-09-1214:50 UTCm62610 93.53NGVD291S  A
1990-09-1214:50 UTCm62611 92.65NAVD881S  A
1990-09-1214:50 UTCm7201910.97  1S  A
1991-05-1414:55 UTCm62610 89.49NGVD291S  A
1991-05-1414:55 UTCm62611 88.61NAVD881S  A
1991-05-1414:55 UTCm7201915.01  1S  A
1991-09-1311:45 UTCm62610 94.95NGVD291S  A
1991-09-1311:45 UTCm62611 94.07NAVD881S  A
1991-09-1311:45 UTCm720199.55  1S  A
1992-05-1211:40 UTCm62610 87.30NGVD291S  A
1992-05-1211:40 UTCm62611 86.42NAVD881S  A
1992-05-1211:40 UTCm7201917.20  1S  A
1992-09-1421:50 UTCm62610 96.32NGVD291S  A
1992-09-1421:50 UTCm62611 95.44NAVD881S  A
1992-09-1421:50 UTCm720198.18  1S  A
1993-05-2018:10 UTCm62610 91.95NGVD291S  A
1993-05-2018:10 UTCm62611 91.07NAVD881S  A
1993-05-2018:10 UTCm7201912.55  1S  A
1993-09-1513:20 UTCm62610 96.80NGVD291S  A
1993-09-1513:20 UTCm62611 95.92NAVD881S  A
1993-09-1513:20 UTCm720197.70  1S  A
1994-05-2414:35 UTCm62610 88.91NGVD291S  A
1994-05-2414:35 UTCm62611 88.03NAVD881S  A
1994-05-2414:35 UTCm7201915.59  1S  A
1994-09-1315:00 UTCm62610 98.80NGVD291S  A
1994-09-1315:00 UTCm62611 97.92NAVD881S  A
1994-09-1315:00 UTCm720195.70  1S  A
1995-05-2213:00 UTCm62610 91.05NGVD291S  A
1995-05-2213:00 UTCm62611 90.17NAVD881S  A
1995-05-2213:00 UTCm7201913.45  1S  A
1995-09-1316:52 UTCm62610 98.10NGVD291S  A
1995-09-1316:52 UTCm62611 97.22NAVD881S  A
1995-09-1316:52 UTCm720196.40  1S  A
1996-05-2315:00 UTCm62610 93.18NGVD291S  A
1996-05-2315:00 UTCm62611 92.30NAVD881S  A
1996-05-2315:00 UTCm7201911.32  1S  A
1996-09-1215:40 UTCm62610 92.25NGVD291S  A
1996-09-1215:40 UTCm62611 91.37NAVD881S  A
1996-09-1215:40 UTCm7201912.25  1S  A
1997-09-1016:45 UTCm62610 90.36NGVD291S  A
1997-09-1016:45 UTCm62611 89.48NAVD881S  A
1997-09-1016:45 UTCm7201914.14  1S  A
1998-05-2115:53 UTCm62610 92.71NGVD291S  A
1998-05-2115:53 UTCm62611 91.83NAVD881S  A
1998-05-2115:53 UTCm7201911.79  1S  A
1998-09-1413:30 UTCm62610 93.69NGVD291S  A
1998-09-1413:30 UTCm62611 92.81NAVD881S  A
1998-09-1413:30 UTCm7201910.81  1S  A
1999-05-1218:10 UTCm62610 87.44NGVD291G  A
1999-05-1218:10 UTCm62611 86.56NAVD881G  A
1999-05-1218:10 UTCm7201917.06  1G  A
2002-05-1415:25 UTCm62610 85.38NGVD291SUSGSSA
2002-05-1415:25 UTCm62611 84.50NAVD881SUSGSSA
2002-05-1415:25 UTCm7201919.12  1SUSGSSA
2002-09-1813:52 UTCm62610 91.23NGVD291SUSGSSA
2002-09-1813:52 UTCm62611 90.35NAVD881SUSGSSA
2002-09-1813:52 UTCm7201913.27  1SUSGSSA
2003-05-2113:45 UTCm62610 93.32NGVD291SUSGSSA
2003-05-2113:45 UTCm62611 92.44NAVD881SUSGSSA
2003-05-2113:45 UTCm7201911.18  1SUSGSSA
2003-09-1613:14 UTCm62610 97.28NGVD291SUSGSSA
2003-09-1613:14 UTCm62611 96.40NAVD881SUSGSSA
2003-09-1613:14 UTCm720197.22  1SUSGSSA
2004-05-1712:47 UTCm62610 92.84NGVD291SUSGSSA
2004-05-1712:47 UTCm62611 91.96NAVD881SUSGSSA
2004-05-1712:47 UTCm7201911.66  1SUSGSSA
2004-09-2112:24 UTCm62610 98.84NGVD291SUSGSSA
2004-09-2112:24 UTCm62611 97.96NAVD881SUSGSSA
2004-09-2112:24 UTCm720195.66  1SUSGSSA
2005-05-2514:07 UTCm62610 91.51NGVD291SUSGSSA
2005-05-2514:07 UTCm62611 90.63NAVD881SUSGSSA
2005-05-2514:07 UTCm7201912.99  1SUSGSSA
2005-09-1912:52 UTCm62610 95.73NGVD291SUSGSSA
2005-09-1912:52 UTCm62611 94.85NAVD881SUSGSSA
2005-09-1912:52 UTCm720198.77  1SUSGSSA
2006-05-1512:36 UTCm62610 89.01NGVD291SUSGSSA
2006-05-1512:36 UTCm62611 88.13NAVD881SUSGSSA
2006-05-1512:36 UTCm7201915.49  1SUSGSSA
2006-09-1814:26 UTCm62610 95.24NGVD291SUSGSSA
2006-09-1814:26 UTCm62611 94.36NAVD881SUSGSSA
2006-09-1814:26 UTCm720199.26  1SUSGSSA
2007-05-2114:00 UTCm62610 87.30NGVD291SUSGSSA
2007-05-2114:00 UTCm62611 86.42NAVD881SUSGSSA
2007-05-2114:00 UTCm7201917.20  1SUSGSSA
2007-09-1719:09 UTCm62610 93.57NGVD291SUSGSSA
2007-09-1719:09 UTCm62611 92.69NAVD881SUSGSSA
2007-09-1719:09 UTCm7201910.93  1SUSGSSA
2008-05-1914:29 UTCm62610 88.22NGVD291SUSGSSA
2008-05-1914:29 UTCm62611 87.34NAVD881SUSGSSA
2008-05-1914:29 UTCm7201916.28  1SUSGSSA
2008-09-1513:38 UTCm62610 93.13NGVD291SUSGSSA
2008-09-1513:38 UTCm62611 92.25NAVD881SUSGSSA
2008-09-1513:38 UTCm7201911.37  1SUSGSSA
2009-05-1814:10 UTCm62610 84.93NGVD291SUSGSSA
2009-05-1814:10 UTCm62611 84.05NAVD881SUSGSSA
2009-05-1814:10 UTCm7201919.57  1SUSGSSA

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 measurementGPressure-gage measurement.
Method of measurementSSteel-tape measurement.
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.