LOCATION--Lat 42° 25’14 ",long 71° 08’33", Middlesex County, Hydrologic Unit 01090001, on left bank upstream side of bridge at Route 60, between Arlington and Medford, Ma.
DRAINAGE AREA.--Undertermined.
PERIOD OF RECORD--Discharge: September 2015 to current year.
GAGE--Data Collection Platform and velocity sensor with high-data-rate satellite telemeter. Elevation of gage is Boston City Datum.
COOPERATION BY--Massachusetts Water Resources Authority and Mystic River Watershed Association.

REMARKS.--River level affected by gate operations at Amelia Earhart Dam, located about 4.5 miles downstream.

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