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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	2024-12-21
Daily Data
Discharge, cubic feet per second	1963-11-21	2024-12-20	22311
Daily Statistics
Discharge, cubic feet per second	1963-11-21	2024-02-07	21994
Monthly Statistics
Discharge, cubic feet per second	1963-11	2024-02
Annual Statistics
Discharge, cubic feet per second	1964	2024
Peak streamflow	1964-01-22	2023-03-15	59
Field measurements	1964-04-16	2024-12-02	324
Field/Lab water-quality samples	1965-10-29	2016-08-05	231
Water-Year Summary	2005	2023	19
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