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Groundwater levels for the Nation

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Agency code = usgs
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  • 412600071405102
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USGS 412600071405102 RI-CHW 555

Washington County, Rhode Island
Latitude  41°26'00", Longitude  71°40'51" NAD27
Land-surface elevation 69.10 feet above NGVD29
The depth of the well is 30.0 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Outwash (112OTSH) local aquifer.
Output formats
Table of 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
1978-12-27 D62610 50.98NGVD291S  A
1978-12-27 D62611 50.06NAVD881S  A
1978-12-27 D7201918.12  1S  A
1981-04-27 D62610 48.23NGVD291S  A
1981-04-27 D62611 47.31NAVD881S  A
1981-04-27 D7201920.87  1S  A
1981-05-05 D62610 49.40NGVD291S  A
1981-05-05 D62611 48.48NAVD881S  A
1981-05-05 D7201919.70  1S  A
1981-05-06 D62610 49.40NGVD291SUSGSSA
1981-05-06 D62611 48.48NAVD881SUSGSSA
1981-05-06 D7201919.70  1SUSGSSA
1981-06-12 D62610 48.12NGVD291S  A
1981-06-12 D62611 47.20NAVD881S  A
1981-06-12 D7201920.98  1S  A
1981-07-09 D62610 47.92NGVD291S  A
1981-07-09 D62611 47.00NAVD881S  A
1981-07-09 D7201921.18  1S  A
1983-05-20 D62610 53.30NGVD291Z  A
1983-05-20 D62611 52.38NAVD881Z  A
1983-05-20 D7201915.80  1Z  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.
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.