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DESCRIPTION:

Latitude 42°25'55",   Longitude 71°27'01"   NAD27

Middlesex County, Massachusetts, Hydrologic Unit 01070005

Drainage area: 116 square miles

Contributing drainage area: 116 square miles,

Datum of gage: 146 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2023-05-29
Daily Data
Discharge, cubic feet per second	1941-07-11	2023-05-28	29904
Daily Statistics
Discharge, cubic feet per second	1941-07-11	2022-10-04	29671
Monthly Statistics
Discharge, cubic feet per second	1941-07	2022-10
Annual Statistics
Discharge, cubic feet per second	1941	2023
Peak streamflow	1942-03-19	2021-09-03	79
Field measurements	1948-03-18	2023-05-02	337
Field/Lab water-quality samples	1953-10-18	2020-10-27	501
Water-Year Summary	2005	2022	18
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