Stony Brook at Rt 20 at Waltham, MA

Middlesex County, Massachusetts · USGS gauge 01104460 · Massachusetts river levels

Nearby: river levels near Lexington · river levels near Dover

Is Stony Brook at Rt 20 at Waltham, MA flooding right now?

Stony Brook at Rt 20 at Waltham, MA measured 5.05 ft on 2026-10-27 19:40:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

5.05 ft

as of 9 min ago

Streamflow

15 cfs

data refreshed 2 min ago

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Last 7 days

Past 7 days · 4.83–5.06 ft

Nearby gauges

Gauge	Distance	County
Stony Brook, Unnamed Tributary 1, near Waltham, MA	0.2 mi	Middlesex County
Stony Brook Unnamed Tributary 2 near Weston Station	0.3 mi	Middlesex County
Hobbs Brook at Kendal Green, MA	0.8 mi	Middlesex County
Stony Brook Reservoir at Dam near Waltham, MA	1.0 mi	Middlesex County
Stony Brook Reservoir., Unnamed Tributary 1, near Weston, MA	1.0 mi	Middlesex County

Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location