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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 1978-04-27 1978-09-06
Inorganics, Major, Metals Water-quality 1978-04-27 1978-04-27
Inorganics, Major, Non-metals Water-quality 1978-04-27 1978-09-06
Inorganics, Minor, metals Water-quality 1978-04-27 1978-04-27
Microbiological Water-quality 1978-04-27 1978-04-27
Nutrient Water-quality 1978-04-27 1978-09-06
Organics, other Water-quality 1978-04-27 1978-04-27
Physical Groundwater Levels, Water-quality 1978-04-17 1978-09-06
Water Data for the Nation inventory

Monitoring location 411819072220302 is associated with a Well in Middlesex County, Connecticut. Water data back to 1978 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
411819072220302 n/a
Site name
CT-OS 270 n/a
Site type
Well
GW
DMS latitude 411819 n/a
DMS longitude 0722203 n/a
Decimal latitude 41.30537624 n/a
Decimal longitude -72.3670286 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
Middlesex County 007
Country US n/a
Land net location description n/a
Name of location map LYME WC n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 18 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .05 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Lower Connecticut 01080205
Drainage basin
n/a
Topographic setting
Local depression
D
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19780417 n/a
Date site established or inventoried 19780417 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 YYNYNNNN n/a
National aquifer Sand and gravel aquifers (glaciated regions) N100GLCIAL
Local aquifer Drift, Stratified 112DFSF
Local aquifer type
n/a
Well depth 12.3 feet n/a
Hole depth
37 feet n/a
Source of depth data S n/a
Project number 0440901700 n/a