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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 1953-07-01 2007-07-17
Inorganics, Major, Metals Water-quality 1965-02-10 1985-04-05
Inorganics, Major, Non-metals Water-quality 1953-07-01 2007-07-17
Inorganics, Minor, Non-metals Water-quality 1982-10-06 1985-04-05
Inorganics, Minor, metals Water-quality 1953-07-01 1985-04-05
Microbiological Water-quality 1953-07-01 2007-07-17
Nutrient Water-quality 1953-07-01 1985-04-05
Organics, other Water-quality 1961-11-01 2007-07-17
Organics, pesticide Water-quality 1983-08-24 2007-07-17
Physical Groundwater Levels, Water-quality 1953-07-01 2007-07-17
n/a USGS Annual Water Data Reports Site 2007-01-01 2007-01-01
Water Data for the Nation inventory

Monitoring location 404401073370501 is associated with a Well in Nassau County, New York. Water data back to 1953 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
404401073370501 n/a
Site name
N 3935. 1 n/a
Site type
Well
GW
DMS latitude 404401.4 n/a
DMS longitude 0733703.9 n/a
Decimal latitude 40.7337222 n/a
Decimal longitude -73.61775 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 FREEPORT, NY n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 84.0 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
Northern Long Island 02030201
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
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 YYYYNYNN n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Glacial Aquifer, Upper 112GLCLU
Local aquifer type
n/a
Well depth 415. feet n/a
Hole depth
n/a
Source of depth data O n/a
Project number n/a