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DESCRIPTION:

Latitude 42°38'12",   Longitude 71°18'09"   NAD27

Middlesex County, Massachusetts, Hydrologic Unit 01070005

Drainage area: 400 square miles

Contributing drainage area: 307 square miles,

Datum of gage: 66.60 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2024-11-21
Daily Data
Discharge, cubic feet per second	1936-12-16	2024-11-20	32115
Daily Statistics
Discharge, cubic feet per second	1936-12-16	2024-04-02	31883
Monthly Statistics
Discharge, cubic feet per second	1936-12	2024-04
Annual Statistics
Discharge, cubic feet per second	1937	2024
Peak streamflow	1938-07-29	2023-03-18	86
Field measurements	1938-07-26	2024-10-24	242
Field/Lab water-quality samples	1952-10-21	2024-02-06	210
Water-Year Summary	2005	2023	19
Revisions	Loading...

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