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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.

Rain gage data are available from this location at this link.

Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Unit Values 1958-08-01 2024-11-21
n/a Peak Measurements 1959-03-06 2022-04-08
n/a Site Visits 1960-09-12 2024-10-30
n/a USGS Annual Water Data Reports Site 2006-01-01 2022-01-01
Water Data for the Nation inventory

Monitoring location 01387450 is associated with a Stream in Rockland County, New York. Current conditions of Discharge and Gage height are available. Water data back to 1958 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01387450 n/a
Site name
Mahwah River near Suffern NY n/a
Site type
Stream
ST
DMS latitude 410828 n/a
DMS longitude 0740658 n/a
Decimal latitude 41.1411111 n/a
Decimal longitude -74.1161111 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 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
New Jersey 34
State
New York 36
County
Rockland County 087
Country US n/a
Land net location description Ramapo Township n/a
Name of location map Sloatsburg n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 321.57 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Hackensack-Passaic 02030103
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNYNYNYNNNYNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 20010824 n/a
Drainage area
12.3 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NNNNNNNN 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

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logo for US Army Corps of Engineers - New York District
US Army Corps of Engineers - New York District