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DESCRIPTION:

Latitude 42°34'05",   Longitude 71°12'55"   NAD27

Middlesex County, Massachusetts, Hydrologic Unit 01070002

Drainage area: 36.5 square miles

Contributing drainage area: 36.5 square miles,

Datum of gage: 79.61 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2025-11-17
Daily Data
Discharge, cubic feet per second	1963-11-21	2025-11-16	22642
Daily Statistics
Discharge, cubic feet per second	1963-11-21	2025-06-25	22498
Monthly Statistics
Discharge, cubic feet per second	1963-11	2025-06
Annual Statistics
Discharge, cubic feet per second	1964	2025
Peak streamflow	1964-01-22	2023-03-15	59
Field measurements	1964-04-16	2025-08-04	330
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1965-10-29	2016-08-05	231
Water-Year Summary	2005	2024	20
Revisions	Loading...

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