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USGS 01100000 MERRIMACK RIVER BL CONCORD RIVER AT LOWELL, MA

  Stream Site

DESCRIPTION:
Latitude 42°38'45",   Longitude 71°17'56"   NAD27
Middlesex County, Massachusetts, Hydrologic Unit 01070002
Drainage area: 4,635 square miles
Contributing drainage area: 4,421 square miles,
Datum of gage: 5.18 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1990-10-01  2017-12-14  
 Daily Data
    Discharge, cubic feet per second  1923-06-01  2017-12-13  34530 
    Suspended sediment concentration, milligrams per liter  1967-04-03  1972-09-29  1922 
    Suspended sediment discharge, short tons per day  1967-04-03  1972-09-29  2005 
 Daily Statistics 
    Discharge, cubic feet per second  1923-06-01  2016-10-15 34106 
    Suspended sediment concentration, milligrams per liter  1967-04-03  1972-09-29 1922 
    Suspended sediment discharge, short tons per day  1967-04-03  1972-09-29 2005 
 Monthly Statistics 
    Discharge, cubic feet per second  1923-06  2016-10  
    Suspended sediment concentration, milligrams per liter  1967-04  1972-09  
    Suspended sediment discharge, short tons per day  1967-04  1972-09  
 Annual Statistics 
    Discharge, cubic feet per second  1923  2017  
    Suspended sediment concentration, milligrams per liter  1967  1972  
    Suspended sediment discharge, short tons per day  1967  1972  
 Peak streamflow 1852-04-23  2016-02-27  94 
 Field measurements 1938-09-23  2017-10-31  163 
 Field/Lab water-quality samples 1953-10-19  2004-09-01  286 
 Water-Year Summary 2005  2016  12 
OPERATION:
Record for this site is maintained by the USGS Massachusetts Water Science Center
Email questions about this site to Massachusetts Water Science Center Water-Data Inquiries