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USGS 01130000 UPPER AMMONOOSUC RIVER NEAR GROVETON, NH

  Stream Site

DESCRIPTION:
Latitude 44°37'30",   Longitude 71°28'10"   NAD27
Coos County, New Hampshire, Hydrologic Unit 01080101
Drainage area: 232 square miles
Datum of gage: 916.43 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1991-10-01  2025-11-03  
 Daily Data
    Discharge, cubic feet per second  1940-08-10  2025-11-02  28734 
 Daily Statistics 
    Discharge, cubic feet per second  1940-08-10  2025-04-22 28540 
 Monthly Statistics 
    Discharge, cubic feet per second  1940-08  2025-04  
 Annual Statistics 
    Discharge, cubic feet per second  1940  2025  
 Peak streamflow 1936-03  2023-12-19  78 
 Field measurements 1942-04-28  2025-08-28  285 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1954-10-09  1999-08-02  168 
 Water-Year Summary 2010  2024  15 
 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