Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
>Due to a lapse in government funding, this website will not be updated except to provide important public safety information. For more information please visit: www.doi.gov/shutdown.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.
    • Click to hide state-specific text

    To view real-time groundwater levels in New Hampshire. click here


    USGS 01088400 MERRIMACK RIVER AT CONCORD, NH

      Stream Site

    DESCRIPTION:
    Latitude 43°12'32",   Longitude 71°31'51"   NAD27
    Merrimack County, New Hampshire, Hydrologic Unit 01070002
    Drainage area: 2,300.00 square miles
    Datum of gage: 216.56 feet above   NAVD88.
    AVAILABLE DATA:
    Data Type Begin Date End Date Count
     Field measurements 1979-04-09  2001-04-20  11 
     Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1979-04-09  1982-09-15  43 
     Revisions  Loading...
    OPERATION:
    Record for this site is maintained by the USGS New Hampshire Water Science Center
    Email questions about this site to New Hampshire Water Science Center Water-Data Inquiries