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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 1991-10-25 2024-10-29
n/a USGS Active Groundwater Level Network Site 1991-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2006-01-01 2010-01-01
Water Data for the Nation inventory

Monitoring location 412746071510601 is associated with a Well in New London County, Connecticut. Water data back to 1991 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
412746071510601 n/a
Site name
CT-NSN 78 n/a
Site type
Well
GW
DMS latitude 412946.56 n/a
DMS longitude 0715102.99 n/a
Decimal latitude 41.49626667 n/a
Decimal longitude -71.8508306 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - .5 sec (PLGR/PPS GPS). 5
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Connecticut 09
State
Connecticut 09
County
New London County 011
Country US n/a
Land net location description n/a
Name of location map ASHAWAY n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 314.22 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .16 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Pawcatuck-Wood 01090005
Drainage basin
n/a
Topographic setting
Valley flat
V
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19901018 n/a
Date site established or inventoried 19901018 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
N n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files YYNNNYNN n/a
National aquifer Other aquifers N9999OTHER
Local aquifer Till 112TILL
Local aquifer type
Unconfined single aquifer U
Well depth 10 feet n/a
Hole depth
10 feet n/a
Source of depth data S n/a
Project number 440900200 n/a