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Groundwater levels for the Nation

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  • 270714082155201
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USGS 270714082155201 BLACKBURN RANCH WELL 121 NEAR N PORT CHARLOTTE FL

Sarasota County, Florida
Latitude  27°07'14", Longitude  82°15'52" NAD27
Land-surface elevation 25.00 feet above NGVD29
The depth of the well is 351 feet below land surface.
This well is completed in the Limestone Aquifer (112LMSN) local aquifer.
Output formats
Table of data
Tab-separated data
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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
1977-09-2117:30 UTCm62610 40.40NGVD291S  A
1977-09-2117:30 UTCm62611 39.28NAVD881S  A
1977-09-2117:30 UTCm72019-15.40  1S  A
1978-05-1818:30 UTCm62610 34.63NGVD291S  A
1978-05-1818:30 UTCm62611 33.51NAVD881S  A
1978-05-1818:30 UTCm72019-9.63  1S  A
1978-09-2715:05 UTCm62610 40.40NGVD291S  A
1978-09-2715:05 UTCm62611 39.28NAVD881S  A
1978-09-2715:05 UTCm72019-15.40  1S  A
1979-05-1618:45 UTCm62610 36.50NGVD291S  A
1979-05-1618:45 UTCm62611 35.38NAVD881S  A
1979-05-1618:45 UTCm72019-11.50  1S  A
1983-09-1317:52 UTCm62610 40.20NGVD291S  A
1983-09-1317:52 UTCm62611 39.08NAVD881S  A
1983-09-1317:52 UTCm72019-15.20  1S  A
1984-05-1515:44 UTCm62610 37.50NGVD291S  A
1984-05-1515:44 UTCm62611 36.38NAVD881S  A
1984-05-1515:44 UTCm72019-12.50  1S  A
1984-09-1116:41 UTCm62610 40.50NGVD291S  A
1984-09-1116:41 UTCm62611 39.38NAVD881S  A
1984-09-1116:41 UTCm72019-15.50  1S  A
1985-05-1614:22 UTCm62610 33.00NGVD291S  A
1985-05-1614:22 UTCm62611 31.88NAVD881S  A
1985-05-1614:22 UTCm72019-8.00  1S  A
1985-09-1018:35 UTCm62610 39.60NGVD291S  A
1985-09-1018:35 UTCm62611 38.48NAVD881S  A
1985-09-1018:35 UTCm72019-14.60  1S  A
1986-05-1315:25 UTCm62610 34.50NGVD291S  A
1986-05-1315:25 UTCm62611 33.38NAVD881S  A
1986-05-1315:25 UTCm72019-9.50  1S  A
1986-09-1718:09 UTCm62610 40.50NGVD291S  A
1986-09-1718:09 UTCm62611 39.38NAVD881S  A
1986-09-1718:09 UTCm72019-15.50  1S  A
1987-05-2214:43 UTCm62610 36.00NGVD291S  A
1987-05-2214:43 UTCm62611 34.88NAVD881S  A
1987-05-2214:43 UTCm72019-11.00  1S  A
1987-09-1816:30 UTCm62610 39.70NGVD291S  A
1987-09-1816:30 UTCm62611 38.58NAVD881S  A
1987-09-1816:30 UTCm72019-14.70  1S  A
1989-05-2514:05 UTCm62610 30.32NGVD291S  A
1989-05-2514:05 UTCm62611 29.20NAVD881S  A
1989-05-2514:05 UTCm72019-5.32  1S  A
1990-05-1814:08 UTCm62610 31.47NGVD291S  A
1990-05-1814:08 UTCm62611 30.35NAVD881S  A
1990-05-1814:08 UTCm72019-6.47  1S  A
1990-09-1213:00 UTCm62610 39.40NGVD291S  A
1990-09-1213:00 UTCm62611 38.28NAVD881S  A
1990-09-1213:00 UTCm72019-14.40  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
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.