Page Loading - Please Wait...
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 fromthe White House, the CDC, and state and local authorities.
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--116 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--Data Collection Platform 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 Conservation and Recreation, Office of Water Resources.
|Boating safety tips|
|Median||Most Recent |
Value Apr 2