LOCATION.--Lat 42° 38’12", long 71°
18’09", Middlesex County, Hydrologic Unit 01070005, on right bank 300
ft downstream from Rogers Street Bridge at Lowell, 0.3 mi downstream from
River Meadow Brook, and 0.8 mi upstream from mouth.
DRAINAGE AREA.--Total above gage, 400 mi2; net above gage, 307
mi2 — diversion as needed from 92.6 mi2 for use by
Boston metropolitan district.
PERIOD OF RECORD.--Discharge: October 1936 to current year. October,
November 1936 monthly discharge only, published in WSP 1301.
Water-quality records: Water years 1953, 1967–74.
REVISED RECORDS.--WDR MA-RI-84-1: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 67.41 ft above sea level.
REMARKS.--Records good except those for estimated daily discharge, which
are poor. Low flow regulated by mills upstream. Daily discharge includes
undiverted water from 92.6 mi2 in basins of Sudbury River and Lake
Cochituate. Prior to December 1961, diversion upstream for use of city of
Lowell. Satellite and telephone gage-height telemeter at station.
COOPERATION BY.-- Massachusetts Department of Environmental Protection, Division of Watershed Management, Massachusetts Dept of
Conservation and Recreation.
