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Muddy River at Brookline

Highest listed crest 16.63 ftFlood stage 15.0 ft4 crests since 2005

The Muddy River at Brookline crested above flood stage 3 times among the 4 crests the National Weather Service lists from 2005 to 2021. The highest, 16.63 ft on December 10, 2014, was minor flooding, 1.63 feet above flood stage.

The gauge

Highest listed crest
16.63 ft
December 10, 2014
Flood stage
15.0 ft
Major flooding from 19.0 ft
Crests at major
0
3 above flood stage
Most recent flood crest
September 2, 2021
15.24 ft, minor flooding
Location
Suffolk County
Near Cambridge (2.7 mi), Somerville (3.7 mi), Watertown (4.1 mi)

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Muddy River at Brookline
Action stage12.01Oct 16, 2005The level at which the NWS or its partners begin to take action
Flood stage (minor)15.03Sep 2, 2021Minimal or no property damage, but possibly some public threat
Moderate flood stage17.00—Some inundation of structures and roads near the stream
Major flood stage19.00—Extensive inundation of structures and roads

Every listed crest

4 crests from 2005 to 2021. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Muddy River at Brookline, 2005 to 2021 1214161820ft Flood stage 15.0 ftMajor 19.0 ft Oct 16, 2005: 12.99 ft, action stageMar 15, 2010: 15.41 ft, minor floodingDec 10, 2014: 16.63 ft, minor floodingSep 2, 2021: 15.24 ft, minor flooding Highest, 16.63 ft, Dec 10, 2014 2005201020152020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Muddy River at Brookline 2000s: 0 2010s: 2 2 2020s: 1 2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Muddy River at Brookline
1Dec 10, 201416.63+1.63Minor—
2Mar 15, 201015.41+0.41Minor—
3Sep 2, 202115.24+0.24Minor—
4Oct 16, 200512.99−2.01Action—

Other gauges in Suffolk County

Flood gauges in Suffolk County
Boston (IN MLLW)12.515.16 ft, Jan 4, 20182

Suffolk County: every hazard · River floods across the country · Massachusetts

NOAA National Water Prediction Service, gauge MUDM3, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.