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LOCATION
LOCATION.--Lat 42o22'08", long 71o16'16",
Middlesex County, Hydrologic Unit 01090001, 200 ft downstream of State Highway
20, 1,000 ft upstream from Stony Brook Reservoir, and 1.8 mi west of Waltham.
DRAINAGE AREA.--22.0 mi2.
PERIOD OF RECORD.--October 1997 to September 1998; August 2002 to current year.
GAGE.--Water-stage recorder, water-temperature, specific conductance, pH, and
turbidity water-quality monitor. Elevation of gage is 90 ft above sea level
(from topographic map). Telephone gage-height telemeter at station.
REMARKS.--Records good, flow affected by regulation of dam 2.6 mi upstream on
Hobbs Brook at outflow of Cambridge Reservoir.
COOPERATION BY.--Cambridge Water Department.
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