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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 410947071344802
Minimum number of levels = 1
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USGS 410947071344802 RI-NHW 257

Washington County, Rhode Island
Latitude  41°09'47", Longitude  71°34'48" NAD27
Land-surface elevation 122.19 feet above NGVD29
The depth of the well is 43 feet below land surface.
The depth of the hole is 43 feet below land surface.
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
1989-10-25 D62610 97.15NGVD291SUSGSSA
1989-10-25 D62611 96.23NAVD881SUSGSSA
1989-10-25 D7201925.04  1SUSGSSA
1990-08-2720:41 UTCm62610 97.89NGVD291S  A
1990-08-2720:41 UTCm62611 96.97NAVD881S  A
1990-08-2720:41 UTCm7201924.30  1S  A
1990-09-2113:04 UTCm62610 97.33NGVD291S  A
1990-09-2113:04 UTCm62611 96.41NAVD881S  A
1990-09-2113:04 UTCm7201924.86  1S  A
1991-06-1320:30 UTCm62610 98.56NGVD291S  A
1991-06-1320:30 UTCm62611 97.64NAVD881S  A
1991-06-1320:30 UTCm7201923.63  1S  A

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