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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)	2010-10-01	2025-02-07
Daily Data
Discharge, cubic feet per second	1936-12-16	2025-02-06	32193
Daily Statistics
Discharge, cubic feet per second	1936-12-16	2024-10-23	32087
Monthly Statistics
Discharge, cubic feet per second	1936-12	2024-10
Annual Statistics
Discharge, cubic feet per second	1937	2025
Peak streamflow	1938-07-29	2023-12-21	87
Field measurements	1938-07-26	2024-12-10	244
Field/Lab water-quality samples	1952-10-21	2024-02-06	210
Water-Year Summary	2005	2024	20
Revisions	Loading...

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