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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Visit the Louisiana page for an example. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. You can update the state name in the URL to visit your State Page or read our announcement on the Water Data for the Nation blog to find links to all the state and territory pages.
Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1988-07-28 1989-08-01
Inorganics, Major, Non-metals Water-quality 1988-07-28 1989-08-01
Nutrient Water-quality 1988-07-28 1989-08-01
Organics, other Water-quality 1988-07-28 1989-08-01
Organics, pesticide Water-quality 1989-08-01 1989-08-01
Physical Groundwater Levels, Water-quality 1988-07-12 2024-11-26
n/a USGS Active Groundwater Level Network Site 1988-01-01 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 412423072542801 is associated with a Well in New Haven County, Connecticut. Water data back to 1988 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
412423072542801 n/a
Site name
CT-HM 445 n/a
Site type
Well
GW
DMS latitude 412423.80 n/a
DMS longitude 0725426.85 n/a
Decimal latitude 41.4066111 n/a
Decimal longitude -72.9074583 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 Haven County 009
Country US n/a
Land net location description n/a
Name of location map MOUNT CARMEL n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 188.02 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
Quinnipiac 01100004
Drainage basin
n/a
Topographic setting
Hillside
S
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19880624 n/a
Date site established or inventoried 19880624 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 YYYYNYNN n/a
National aquifer Early Mesozoic basin aquifers N300ERLMZC
Local aquifer New Haven Formation 231NHVN
Local aquifer type
Unconfined single aquifer U
Well depth 36.35 feet n/a
Hole depth
36.35 feet n/a
Source of depth data S n/a
Project number 440900200 n/a