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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 with satellite telemeter. Datum of
gage is 67.41 ft above National Geodetic Vertical Datum of 1929.
REMARKS--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 by city of Lowell.
COOPERATION BY--Massachusetts Department of
Environmental Protection, Division of Watershed Management,
Massachusetts Department of Conservation and
Recreation
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U.S. Department of the Interior |
U.S. Geological Survey
