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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 2000-06-21 2024-11-21
n/a USGS Active Groundwater Level Network Site 2000-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2005-01-01 2024-01-01
Water Data for the Nation inventory

Monitoring location 405830072331502 is associated with a Well in Suffolk County, New York. Current conditions of Groundwater level above NGVD 1929 are available. Water data back to 2000 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
405830072331502 n/a
Site name
S 6558. 2 n/a
Site type
Well
GW
DMS latitude 405830.7 n/a
DMS longitude 0723313.9 n/a
Decimal latitude 40.97519444 n/a
Decimal longitude -72.5538611 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
Suffolk County 103
Country US n/a
Land net location description n/a
Name of location map MATTITUCK, NY n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 38 feet n/a
Method altitude determined Reported method of determination. R
Altitude accuracy 5 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 YNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
20000607 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 YYNNNYNN 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 45.0 feet n/a
Hole depth
45.0 feet n/a
Source of depth data O n/a
Project number RBUSCIOLANO 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