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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	2023-01-28
Daily Data
Discharge, cubic feet per second	1936-12-16	2023-01-27	31454
Daily Statistics
Discharge, cubic feet per second	1936-12-16	2022-10-10	31345
Monthly Statistics
Discharge, cubic feet per second	1936-12	2022-10
Annual Statistics
Discharge, cubic feet per second	1937	2023
Peak streamflow	1938-07-29	2021-07-14	84
Field measurements	1938-07-26	2022-12-05	230
Field/Lab water-quality samples	1952-10-21	2023-01-10	197
Water-Year Summary	2005	2022	18
Revisions	Loading...

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