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DESCRIPTION:

Latitude 42°22'20",   Longitude 71°14'03"   NAD27

Middlesex County, Massachusetts, Hydrologic Unit 01090001

Drainage area: 251 square miles

Contributing drainage area: 227 square miles,

Datum of gage: 19.21 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1976-02-01	2024-12-11
Daily Data
Discharge, cubic feet per second	1931-08-04	2024-12-10	34098
Daily Statistics
Discharge, cubic feet per second	1931-08-04	2024-10-01	34028
Monthly Statistics
Discharge, cubic feet per second	1931-08	2024-10
Annual Statistics
Discharge, cubic feet per second	1931	2025
Peak streamflow	1932-04-01	2023-03-14	92
Field measurements	1931-06-18	2024-10-02	299
Field/Lab water-quality samples	1952-10-21	2006-07-12	209
Water-Year Summary	2005	2024	20
Revisions	Loading...

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