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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 2002-10-25 2024-09-05
n/a USGS Active Groundwater Level Network Site 2002-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2005-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 404124073394901 is associated with a Well in Nassau County, New York. Water data back to 2002 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
404124073394901 n/a
Site name
N 1129. 3 n/a
Site type
Well
GW
DMS latitude 404124.6 n/a
DMS longitude 0733947.2 n/a
Decimal latitude 40.69016667 n/a
Decimal longitude -73.6631111 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
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
Nassau County 059
Country US n/a
Land net location description n/a
Name of location map LYNBROOK, NY n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 49.45 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .21 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Southern Long Island 02030202
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNNNNNNNNNNNNNYNNNNNNNNNNNNN n/a
Date of first construction
20021002 n/a
Date site established or inventoried 20021002 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 YY 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 55.0 feet n/a
Hole depth
55.00 feet n/a
Source of depth data O n/a
Project number RBUSCIOLANO n/a

Operated in cooperation with:

logo for Nassau County Office of Emergency Management
Nassau County Office of Emergency Management
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds