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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Visit the Louisiana page for an example. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. You can update the state name in the URL to visit your State Page or read our announcement on the Water Data for the Nation blog to find links to all the state and territory pages.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 2007-09-06 2008-03-11
Physical Unit Values, Water-quality 2010-06-01 2015-08-13
Sediment Water-quality 2007-09-06 2015-08-13
n/a Site Visits 2007-09-06 2015-08-13
Water Data for the Nation inventory

Monitoring location 405425073520901 is associated with a Spring in Westchester County, New York. Water data back to 2007 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
405425073520901 n/a
Site name
HILLVIEW RESERVOIR HILLSIDE SEEP B NR YONKERS NY n/a
Site type
Spring
SP
DMS latitude 405425.76 n/a
DMS longitude 0735209.77 n/a
Decimal latitude 40.90715556 n/a
Decimal longitude -73.8693806 n/a
Latitude-longitude method
Differentially corrected Global Positioning System. D
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
Westchester County 119
Country US n/a
Land net location description n/a
Name of location map MOUNT VERNON, NY n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 234 feet n/a
Method altitude determined Reported method of determination. R
Altitude accuracy 1.0 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Bronx 02030102
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNYNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 20100614 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 Y n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a