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USGS 01087000 BLACKWATER RIVER NEAR WEBSTER, NH

  Stream Site

DESCRIPTION:
Latitude 43°17'49",   Longitude 71°41'42"   NAD27
Merrimack County, New Hampshire, Hydrologic Unit 01070003
Drainage area: 129 square miles
Datum of gage: 431.17 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2024-10-01  2025-11-03  
 Daily Data
    Discharge, cubic feet per second  1918-05-16  2025-11-02  24137 
 Daily Statistics 
    Discharge, cubic feet per second  1918-05-16  2025-04-01 23927 
 Monthly Statistics 
    Discharge, cubic feet per second  1918-05  2025-04  
 Annual Statistics 
    Discharge, cubic feet per second  1918  2025  
 Peak streamflow 1919-03-30  2016-02-27  92 
 Field measurements 1938-09-22  2025-09-12  214 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1956-12-18  1999-09-02  134 
 Water-Year Summary 2006  2013  8 
 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