Is the Sudbury River flooding?

Massachusetts · 2 gauges · Massachusetts river levels

The Sudbury River is tracked by 2 USGS streamgauges in Massachusetts. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Sudbury River is running normal, rising toward flood stage, or already flooding. 1 of 2 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Massachusetts river levels.

data refreshed 14 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is Sudbury River at Saxonville, MA. The highest level ever recorded there was 13.95 ft on 31 March 2010, carrying 2,570 cfs. Peak records there go back to 1980 (46 annual peaks). It is currently at 4.17 ft, 9.8 ft below that record.

Drains 106 sq mi · gauge elevation 110 ft · source: USGS peak-flow record

GaugeStatusStageFlood stageUpdated
Sudbury River at Saxonville, MANo flooding4.17 ft10 ft
Sudbury River at Ashland, MANo current data
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.