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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
Information Water-quality 2007-08-22 2007-08-22
Inorganics, Major, Non-metals Water-quality 2007-08-22 2007-08-22
Nutrient Water-quality 2007-08-22 2007-08-22
Physical Water-quality 2007-08-22 2007-08-22
Water Data for the Nation inventory

Monitoring location 412912073193301 is associated with a Lake, Reservoir, Impoundment in Windham County, Connecticut. Water data back to 2007 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
412912073193301 n/a
Site name
Lake Lillinonah nr Shepaug R, nr Southbury, CT n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 412912 n/a
DMS longitude 0731933 n/a
Decimal latitude 41.48666667 n/a
Decimal longitude -73.3258333 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - 3 sec (SPS GPS). R
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
Windham County 015
Country US n/a
Land net location description n/a
Name of location map Newtown, CT n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 190 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
Housatonic 01100005
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 20070904 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
n/a
Data-other GW files n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number 240400300 n/a