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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
Biological Water-quality 1984-08-10 1984-08-10
Information Water-quality 1984-08-10 1984-08-10
Inorganics, Major, Metals Water-quality 1984-08-10 1984-08-10
Inorganics, Major, Non-metals Water-quality 1984-08-10 1984-08-10
Inorganics, Minor, metals Water-quality 1984-08-10 1984-08-10
Nutrient Water-quality 1984-08-10 1984-08-10
Physical Water-quality 1984-08-10 1984-08-10
Water Data for the Nation inventory

Monitoring location 01121490 is associated with a Lake, Reservoir, Impoundment in Tolland County, Connecticut. Water data back to 1984 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01121490 n/a
Site name
MANSFIELD HOLLOW LK AT BASSETT BR NR MANSFIELD, n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 414607 n/a
DMS longitude 0721028 n/a
Decimal latitude 41.76870968 n/a
Decimal longitude -72.1739663 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
Connecticut 09
State
Connecticut 09
County
Tolland County 013
Country US n/a
Land net location description n/a
Name of location map Spring Hill, CT n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface n/a
Method altitude determined n/a
Altitude accuracy n/a
Altitude datum
n/a
Subbasin hydrologic unit
Shetucket 01100002
Drainage basin
n/a
Topographic setting
Lake or Swamp
L
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 20021001 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 NNNNNNNN 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 n/a