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LOCATION--Lat 42°26’50.5", long
71°08’18.9", Middlesex County, Hydrologic Unit 01090001, on
left bank, 0.3 mi downstream from Waterfield Street at
DRAINAGE AREA--Total above gage, 24.7 mi2; net above gage, 24.1 mi2, excludes 0.6 mi2 drained by Winchester North Reservoir.
PERIOD OF RECORD--April 1939 to current year. Streamgage temporarily relocated to Mt. Vernon Street from September 2011 to April 2014 during river channel improvements for flood mitigation at Mystic Valley Parkway.
GAGE--Data-collection platform, satellite telemeter, hourly updates, with river stage and velocity sensors. Elevation of gage is about 8 ft above NAVD 1988, from digital map.
COOPERATION--Massachusetts Department of Conservation and Recreation, Division of Planning and Engineering.
|Median||Most Recent |
Value Jul 27