Middlesex County, Massachusetts

24 active USGS gauges in Middlesex County. See Massachusetts streamflow overview for the full state picture.

USGS Stream Gauges in Middlesex County

Station River CFS Gage (ft) Condition
Aberjona River at Winchester, MA Aberjona River 9 7.29 Normal
Alewife Brook Near Arlington, MA Alewife Brook 8 1.65 Normal
Assabet River at Maynard, MA Assabet River 53 1.94 Normal
Cambridge Reservoir., Unnamed Tributary 1, near Lexington, MA — 0 0.53 Normal
Cambridge Reservoir., Unnamed Tributary 2, near Lexington, MA — 0 0.64 Normal
Cambridge Reservoir., Unnamed Tributary 3, near Lexington, MA — 0 1.18 Normal
Charles River at Waltham, MA Charles River 119 1.28 Normal
Cochituate Bk below Lake Cochituate at Framingham, MA — 10 4.25 Normal
Concord River Below River Meadow Brook, at Lowell, MA Concord River 323 4.75 Normal
Hobbs Bk Below Cambridge Reservoir near Kendall Green, MA — 7 0.82 Low
Hobbs Brook at Mill St near Lincoln, MA Hobbs Brook 0 0.83 Normal
Merrimack River below Concord River at Lowell, MA Merrimack River 7,160 44.00 High
Nashoba Brook Near Acton, MA Nashoba Brook 15 4.07 High
Nashua River at East Pepperell, MA Nashua River 282 1.31 Normal
Shawsheen River Near Wilmington, MA Shawsheen River 18 2.31 Normal
Squannacook River Near West Groton, MA Squannacook River 62 2.18 High
Stony Brook Reservoir at Dam Near Waltham, MA Stony Brook Reservoir 0 0.66 Low
Stony Brook Reservoir., Unnamed Tributary 1, Near Weston, MA Stony Brook Reservoir., Unnamed Tributary 1 0 0.36 Normal
Stony Brook Unnamed Tributary 2 near Weston Station Stony Brook Unnamed Tributary 2 7 96.62 Very High
Stony Brook at Rt 20 at Waltham, MA Stony Brook 18 5.15 Low
Stony Brook at Viles Street, Near Weston, MA Stony Brook 5 0.97 Normal
Stony Brook, Unnamed Tributary 1, Near Waltham, MA Stony Brook, Unnamed Tributary 1 0 3.17 Normal
Sudbury River at Ashland, MA Sudbury River 16 0.76 Normal
Sudbury River at Saxonville, MA Sudbury River 116 5.46 High