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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Physical Groundwater Levels 1975-05-20 1975-05-20
Water Data for the Nation inventory

Monitoring location 411156071340401 is associated with a Well in Washington County, Rhode Island. Water data back to 1975 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
411156071340401 n/a
Site name
RI-NHW 685 n/a
Site type
Well
GW
DMS latitude 411158 n/a
DMS longitude 0713403 n/a
Decimal latitude 41.19954765 n/a
Decimal longitude -71.5670004 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Massachusetts 25
State
Rhode Island 44
County
Washington County 009
Country US n/a
Land net location description n/a
Name of location map BLOCK ISLAND n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 38 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 5 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Pawcatuck-Wood 01090005
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19750520 n/a
Date site established or inventoried 19890307 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files YYYNNNNN n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth 68 feet n/a
Hole depth
69 feet n/a
Source of depth data D n/a
Project number 444402600 n/a