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DESCRIPTION:

Latitude 42°15'36",   Longitude 71°27'25"   NAD27

Middlesex County, Massachusetts, Hydrologic Unit 010700050101

Drainage area: 35.1 square miles

Datum of gage: 185.0 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2025-11-15
Daily Data
Discharge, cubic feet per second	1994-05-11	2025-11-14	1777
Daily Statistics
Discharge, cubic feet per second	1994-05-11	2009-10-12	1641
Monthly Statistics
Discharge, cubic feet per second	1994-05	2009-10
Annual Statistics
Discharge, cubic feet per second	1994	2010
Peak streamflow	1994-12-24	2008-12-12	4
Field measurements	1975-06-23	2025-09-23	70
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1994-04-25	2003-10-23	47
Water-Year Summary	2006	2009	4
Revisions	Loading...

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