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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 1991-05-23 1991-05-23
Inorganics, Major, Metals Water-quality 1991-05-23 1991-05-23
Inorganics, Major, Non-metals Water-quality 1991-05-23 1991-05-23
Inorganics, Minor, Non-metals Water-quality 1991-05-23 1991-05-23
Inorganics, Minor, metals Water-quality 1991-05-23 1991-05-23
Nutrient Water-quality 1991-05-23 1991-05-23
Organics, other Water-quality 1991-05-23 1991-05-23
Organics, pesticide Water-quality 1991-05-23 1991-05-23
Physical Groundwater Levels, Water-quality 1991-05-23 1991-08-26
Water Data for the Nation inventory

Monitoring location 404517073333501 is associated with a Well in Nassau County, New York. Water data back to 1991 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
404517073333501 n/a
Site name
N 11855. 1 n/a
Site type
Well
GW
DMS latitude 404517 n/a
DMS longitude 0733335 n/a
Decimal latitude 40.75482249 n/a
Decimal longitude -73.5592931 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 HICKSVILLE, NY n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 118.0 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
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 YNNNNYNN n/a
National aquifer Northern Atlantic Coastal Plain aquifer system S100NATLCP
Local aquifer Glacial Aquifer, Upper 112GLCLU
Local aquifer type
n/a
Well depth 60. feet n/a
Hole depth
60. feet n/a
Source of depth data n/a
Project number n/a