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Groundwater levels for the Nation

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USGS 274419082135801 GRADY SWEAT DEEP WELL NEAR FORT LONESOME FL

Hillsborough County, Florida
Latitude  27°44'19", Longitude  82°13'58" NAD27
Land-surface elevation 116.00 feet above NGVD29
The depth of the well is 320 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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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
1975-09-2415:45 UTCm62610 29.28NGVD291S  A
1975-09-2415:45 UTCm62611 28.38NAVD881S  A
1975-09-2415:45 UTCm7201986.72  1S  A
1976-09-0717:55 UTCm62610 28.15NGVD291S  A
1976-09-0717:55 UTCm62611 27.25NAVD881S  A
1976-09-0717:55 UTCm7201987.85  1S  A
1977-05-0917:30 UTCm62610 -10.90NGVD291G  A
1977-05-0917:30 UTCm62611 -11.80NAVD881G  A
1977-05-0917:30 UTCm72019126.90  1G  A
1977-09-1918:05 UTCm62610 27.47NGVD291S  A
1977-09-1918:05 UTCm62611 26.57NAVD881S  A
1977-09-1918:05 UTCm7201988.53  1S  A
1978-05-1715:25 UTCm62610 6.16NGVD291S  A
1978-05-1715:25 UTCm62611 5.26NAVD881S  A
1978-05-1715:25 UTCm72019109.84  1S  A
1978-09-2516:50 UTCm62610 27.18NGVD291S  A
1978-09-2516:50 UTCm62611 26.28NAVD881S  A
1978-09-2516:50 UTCm7201988.82  1S  A
1979-05-1520:00 UTCm62610 13.37NGVD291S  A
1979-05-1520:00 UTCm62611 12.47NAVD881S  A
1979-05-1520:00 UTCm72019102.63  1S  A
1979-09-1816:45 UTCm62610 33.21NGVD291S  A
1979-09-1816:45 UTCm62611 32.31NAVD881S  A
1979-09-1816:45 UTCm7201982.79  1S  A
1980-05-1417:53 UTCm62610 9.45NGVD291S  A
1980-05-1417:53 UTCm62611 8.55NAVD881S  A
1980-05-1417:53 UTCm72019106.55  1S  A
1980-09-1716:30 UTCm62610 27.88NGVD291S  A
1980-09-1716:30 UTCm62611 26.98NAVD881S  A
1980-09-1716:30 UTCm7201988.12  1S  A
1981-09-2416:08 UTCm62610 29.86NGVD291S  A
1981-09-2416:08 UTCm62611 28.96NAVD881S  A
1981-09-2416:08 UTCm7201986.14  1S  A
1982-09-1417:32 UTCm62610 31.91NGVD291S  A
1982-09-1417:32 UTCm62611 31.01NAVD881S  A
1982-09-1417:32 UTCm7201984.09  1S  A
1983-05-1817:08 UTCm62610 -1.82NGVD291S  A
1983-05-1817:08 UTCm62611 -2.72NAVD881S  A
1983-05-1817:08 UTCm72019117.82  1S  A
1983-09-1514:05 UTCm62610 32.16NGVD291S  A
1983-09-1514:05 UTCm62611 31.26NAVD881S  A
1983-09-1514:05 UTCm7201983.84  1S  A
1984-09-1217:28 UTCm62610 23.63NGVD291S  A
1984-09-1217:28 UTCm62611 22.73NAVD881S  A
1984-09-1217:28 UTCm7201992.37  1S  A
1985-05-1614:40 UTCm62610 -11.50NGVD291G  A
1985-05-1614:40 UTCm62611 -12.40NAVD881G  A
1985-05-1614:40 UTCm72019127.50  1G  A
1985-09-1015:51 UTCm62610 24.22NGVD291S  A
1985-09-1015:51 UTCm62611 23.32NAVD881S  A
1985-09-1015:51 UTCm7201991.78  1S  A
1986-09-1621:10 UTCm62610 26.55NGVD291S  A
1986-09-1621:10 UTCm62611 25.65NAVD881S  A
1986-09-1621:10 UTCm7201989.45  1S  A
1987-05-2017:30 UTCm62610 7.55NGVD291S  A
1987-05-2017:30 UTCm62611 6.65NAVD881S  A
1987-05-2017:30 UTCm72019108.45  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 measurementGPressure-gage measurement.
Method of measurementSSteel-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.