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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 411025071340301
Minimum number of levels = 1
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USGS 411025071340301 RI-NHW 687

Washington County, Rhode Island
Latitude  41°10'25", Longitude  71°34'03" NAD27
Land-surface elevation 19.85 feet above NGVD29
The depth of the well is 135 feet below land surface.
The depth of the hole is 135 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
1982-05-07 D62610 2.85NGVD291L  A
1982-05-07 D62611 1.93NAVD881L  A
1982-05-07 D7201917.00  1L  A
1989-06-27 D62610 4.81NGVD291O  A
1989-06-27 D62611 3.89NAVD881O  A
1989-06-27 D7201915.04  1O  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 measurementLInterpreted from geophysical logs.
Method of measurementOObserved.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.