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Notice - The USGS Water Resources Mission Area's priority is to maintain the safety and well-being of our communities, including providing critical situational awareness in times of flooding in all 50 U.S. states and additional territories. Our hydrologic monitoring stations continue to send data in near real-time to NWISWeb, and we are continuing critical water monitoring activities to protect life and property on a case-by-case basis. The health and safety of the public and our employees are our highest priorities, and we continue to follow guidance from the White House, the CDC, and state and local authorities.
LOCATION--Lat 42°30’45", long
71°24’17", Middlesex County, Hydrologic Unit 01070005,
river-level sensor on right bank, 15 ft above footbridge, 500 ft
downstream from old millpond and dam at North Acton, 2.2 mi northeast
of Acton, and 5 mi upstream from mouth at Assabet River at West
DRAINAGE AREA--12.8 mi2.
PERIOD OF RECORD--Discharge: July 1963 to current year.
GAGE--Data Collection Platform with satellite telemeter. Elevation of gage, about 155 ft above National Geodetic Vertical Datum of 1929, from topographic map.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.
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