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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 Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Groundwater Levels, Unit Values 2009-09-09 2024-10-25
n/a USGS Active Groundwater Level Network Site 2009-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2014-01-01 2024-01-01
Water Data for the Nation inventory

Monitoring location 404618073164205 is associated with a Well in Suffolk County, New York. Water data back to 2009 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
404618073164205 n/a
Site name
S 1810. 5 n/a
Site type
Well
GW
DMS latitude 404618.71 n/a
DMS longitude 0731642.82 n/a
Decimal latitude 40.77186389 n/a
Decimal longitude -73.2785611 n/a
Latitude-longitude method
Transit, theodolite, or other surveying method. S
Latitude-longitude accuracy
Unknown or unspecified. U
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
New York 36
State
New York 36
County
Suffolk County 103
Country US n/a
Land net location description n/a
Name of location map GREENLAWN, NY n/a
Scale of location map n/a
Altitude of Gage/land surface 91 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 1 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Southern Long Island 02030202
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNYNNNNNNNNNNNNYNNNNNNNNNNNNN n/a
Date of first construction
20090731 n/a
Date site established or inventoried 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 Y Y n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Glacial Aquifer, Upper 112GLCLU
Local aquifer type
Unconfined single aquifer U
Well depth 55 feet n/a
Hole depth
55 feet n/a
Source of depth data O n/a
Project number n/a

Operated in cooperation with:

logo for Suffolk County Water Authority
Suffolk County Water Authority
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds