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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 1952-07-01 2000-10-25
Inorganics, Major, Metals Water-quality 1965-09-01 1984-02-21
Inorganics, Major, Non-metals Water-quality 1952-07-01 2000-10-25
Inorganics, Minor, Non-metals Water-quality 1983-03-30 1984-02-21
Inorganics, Minor, metals Water-quality 1952-07-01 1984-02-21
Microbiological Water-quality 1955-02-01 1983-03-30
Nutrient Water-quality 1952-07-01 1984-02-21
Organics, other Water-quality 1962-01-01 1984-02-21
Organics, pesticide Water-quality 1999-07-28 2000-10-25
Physical Groundwater Levels, Water-quality 1946-02-26 2024-05-06
n/a USGS Active Groundwater Level Network Site 1946-01-01 2020-01-01
n/a USGS Annual Water Data Reports Site 2005-01-01 2010-01-01
Water Data for the Nation inventory

Monitoring location 404532073420901 is associated with a Well in Nassau County, New York. Water data back to 1946 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
404532073420901 n/a
Site name
N 1802. 2 n/a
Site type
Well
GW
DMS latitude 404512 n/a
DMS longitude 0734210 n/a
Decimal latitude 40.753435 n/a
Decimal longitude -73.702353 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
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 SEA CLIFF, NY n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 131.0 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy 0.1 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 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19420908 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
Minimal data. M
Data-other GW files YYNNYYNN n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Lloyd Aquifer 211LLYD
Local aquifer type
Confined single aquifer C
Well depth 703. feet n/a
Hole depth
749. feet n/a
Source of depth data n/a
Project number LK00-GHP01 n/a