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
Concord.
DRAINAGE AREA--12.8 mi2.
PERIOD OF RECORD--Discharge: July 1963 to current year.
GAGE--Data Collection Platform with satellite telemeter. Datum
of gage is 154.19 ft above NAVD 1988, estimated from topographic map.
Datum previously reported as 155 ft above NGVD 1929, estimated from
topographic map. Prior to Jan. 8, 1997, at site 1,000 ft downstream, at
same datum.
COOPERATION BY--Massachusetts Department of
Conservation and Recreation, Office of Water Resources.
Photo of Nashoba Brook and footbridge near Acton
Boating safety tips |
Most Recent Instantaneous Value Oct 1 | Min (2020) | 25th percen- tile | Median | 75th percen- tile | Mean | Max (1975) |
---|---|---|---|---|---|---|
-- unavailable -- | 0.19 | 0.89 | 2 | 5.7 | 6.4 | 83.0 |