Major Flood
12 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
9 ft
Minor Flood
7 ft
Action Stage
6 ft
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Aug 28, 2011 | 13.31 ft | 17,516 cfs |
| Oct 9, 2005 | 9.14 ft | — |
| Dec 18, 2023 | 9.1 ft | 4,262 cfs |
About This Gauge
Get Flood Alerts for Green River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Green River at Colrain?
The Green River at Colrain gauge is maintained by USGS (site 01170100) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Green River at Colrain?
The NWS-defined flood stage for Green River at Colrain is 7 feet. Action stage begins at 6 feet. Moderate flooding starts at 9 feet, and major flooding at 12 feet.
How do I get alerts when Green River rises?
Download StormCast free on Google Play, go to River Gauges, and add Green River at Colrain to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Green River at Colrain gauge located?
The gauge is located in Franklin County, Massachusetts at coordinates 42.7034°N, 72.6706°W. USGS site number: 01170100. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey