| |
LOCATION--Lat 42° 25’55", long 71°
27’01", Middlesex County, Hydrologic Unit 01070005, on right
bank at Maynard, 150 ft upstream from bridge on State Highway 27, 1.7
mi downstream from Assabet Brook, and 7.1 mi upstream from confluence
with Sudbury River.
DRAINAGE AREA--114 mi2.
PERIOD OF RECORD--Discharge: July 1941 to current year.
Water-quality records: Water years 1954, 1967–74.
REVISED RECORDS--WSP 1231: 1945–46.
GAGE--Water-stage recorder with satellite telemeter. Datum of
gage is 142.12 ft above National Geodetic Vertical Datum of 1929.
REMARKS--Occasional diurnal fluctuation at low flow by mills
upstream; greater regulation prior to 1969. Since 1962, high flow
affected by retarding reservoirs and, since 1970, occasional release at
low flow by these reservoirs.
COOPERATION BY--Massachusetts Department of
Environmental Protection, Division of Watershed Management,
Massachusetts Department of Conservation and Recreation
NOTE: Precipitation data are for
informational purposes only. Data do not necessarily conform to
standards used by the National Weather Service.
|
|
U.S. Department of the Interior |
U.S. Geological Survey
