Rivers in New York

Grass River at Chase Mills

St. Lawrence County, New YorkNWS CHAN6USGS 04265432South Burlington office

Below flood stage
4.36ftStage

Observed Tue, Sep 22, 2:00 AM EDT

Forecast crest
4.40 ftTue, Sep 22, 8:00 AM EDT
Record crest
8.48 ft2024

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Action7.00 ft

Crest history

14 crests on NOAA’s list since 2004.

#DateStage
1August 11, 20248.48 ft
2April 9, 20148.16 ft
3September 18, 20057.53 ft
4May 17, 20117.44 ft
5November 1, 20177.34 ft
6March 28, 20047.11 ft
7December 29, 20086.97 ft
8April 3, 20086.90 ft
9December 3, 20066.87 ft
10April 29, 20116.83 ft
11October 15, 20056.80 ft
12January 26, 20106.63 ft
13April 13, 20136.42 ft
14April 25, 20126.00 ft

Most recent crests

  • August 11, 2024: 8.48 ft
  • November 1, 2017: 7.34 ft
  • April 9, 2014: 8.16 ft
  • April 13, 2013: 6.42 ft
  • April 25, 2012: 6.00 ft
  • May 17, 2011: 7.44 ft
  • April 29, 2011: 6.83 ft
  • January 26, 2010: 6.63 ft
  • December 29, 2008: 6.97 ft
  • April 3, 2008: 6.90 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Northeast River Forecast Center. Forecasts are issued routinely year-round. Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.