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**NOTICE: The New Jersey Water Science Center has transitioned to a new data management software package. While you may not have noticed this transition, some sites may have problems or delays in being updated. We are actively monitoring these conditions and are resolving them as quickly as possible. See the Dec 8 news entry for more information at: https://help.waterdata.usgs.gov/news


ALL DATA ARE AT LOCAL TIME



USGS 01387500 Ramapo River near Mahwah NJ

  Stream Site

DESCRIPTION:
Latitude 41°05'53",   Longitude 74°09'46"   NAD83
Bergen County, New Jersey, Hydrologic Unit 02030103
Drainage area: 120 square miles
Contributing drainage area: 120 square miles,
Datum of gage: 253.10 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1981-10-01  2017-12-14  
 Daily Data
    Discharge, cubic feet per second  1902-10-01  2017-12-13  36233 
    Suspended sediment concentration, milligrams per liter  1964-02-27  1965-06-19  454 
    Suspended sediment discharge, short tons per day  1964-02-27  1965-06-19  479 
 Daily Statistics 
    Discharge, cubic feet per second  1902-10-01  2016-09-29 35793 
    Suspended sediment concentration, milligrams per liter  1964-02-27  1965-06-19 454 
    Suspended sediment discharge, short tons per day  1964-02-27  1965-06-19 479 
 Monthly Statistics 
    Discharge, cubic feet per second  1902-10  2016-09  
    Suspended sediment concentration, milligrams per liter  1964-02  1965-06  
    Suspended sediment discharge, short tons per day  1964-02  1965-06  
 Annual Statistics 
    Discharge, cubic feet per second  1903  2016  
    Suspended sediment concentration, milligrams per liter  1964  1965  
    Suspended sediment discharge, short tons per day  1964  1965  
 Peak streamflow 1903-10-09  2016-02-25  105 
 Field measurements 1936-03-12  2017-10-27  401 
 Field/Lab water-quality samples 1923-11-08  2017-11-15  436 
 Water-Year Summary 2006  2015  9 
OPERATION:
Record for this site is maintained by the USGS New Jersey Water Science Center
Email questions about this site to New Jersey Water Science Center Water-Data Inquiries