Search
Menu

Explore

Hazards

Analysis

Rankings

Reference

North Branch Winooski River at Montpelier Langdon St.Bridge

Highest listed crest 526.20 ftFlood stage 520.0 ft7 crests since 1992

The North Branch Winooski River at Montpelier Langdon St.Bridge crested at major flood stage 2 times among the 7 crests the National Weather Service lists from 1992 to 2024. The highest, 526.20 ft on July 11, 2023, was major flooding, 6.20 feet above flood stage.

The gauge

Highest listed crest
526.20 ft
July 11, 2023
Flood stage
520.0 ft
Major flooding from 524.0 ft
Crests at major
2
15th of 28 gauges in Vermont
Most recent flood crest
July 11, 2023
526.20 ft, major flooding
Location
Washington County
Vermont

Flood stages

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

Flood categories, North Branch Winooski River at Montpelier Langdon St.Bridge
Action stage515.02Jul 11, 2024The level at which the NWS or its partners begin to take action
Flood stage (minor)520.03Jan 13, 2018Minimal or no property damage, but possibly some public threat
Moderate flood stage522.00—Some inundation of structures and roads near the stream
Major flood stage524.02Jul 11, 2023Extensive inundation of structures and roads

Every listed crest

7 crests from 1992 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the North Branch Winooski River at Montpelier Langdon St.Bridge, 1992 to 2024 518520522524526528ft Flood stage 520.0 ftMajor 524.0 ft Mar 11, 1992: 525.10 ft, major floodingMay 27, 2011: 521.60 ft, minor floodingAug 29, 2011: 520.89 ft, minor floodingJan 13, 2018: 520.28 ft, minor floodingJul 11, 2023: 526.20 ft, major floodingDec 18, 2023: 519.12 ft, action stageJul 11, 2024: 519.12 ft, action stage Highest, 526.20 ft, Jul 11, 2023 200020102020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, North Branch Winooski River at Montpelier Langdon St.Bridge 1990s: 1 2000s: 0 2010s: 3 3 2020s: 1 1990s2000s2010s2020s
  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, North Branch Winooski River at Montpelier Langdon St.Bridge
1Jul 11, 2023526.20+6.20Major—
2Mar 11, 1992525.10+5.10Major—
3May 27, 2011521.60+1.60Minor—
4Aug 29, 2011520.89+0.89Minor—
5Jan 13, 2018520.28+0.28Minor—
6Dec 18, 2023519.12−0.88Action—
7Jul 11, 2024519.12−0.88Action—

Other gauges in Washington County

Flood gauges in Washington County
Northfield Falls8.017.26 ft, Aug 28, 20114
Moretown9.019.40 ft, Nov 3, 192711
Montpelier15.027.10 ft, Nov 3, 19275
Waterbury419.0430.00 ft, Aug 29, 20112

Washington County: every hazard · River floods across the country · Vermont

NOAA National Water Prediction Service, gauge LNGV1, 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.