Major Flood
11 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
10 ft
Minor Flood
9 ft
Action Stage
8 ft
What Floods at Each Level
12 ft
Water up to Route 123 bridge.
11.75 ft
Flood comparable to the one in July 2021.
11 ft
Route 123 in Acworth and Alstead flooded. Several properties near the river imapacted.
10 ft
Property near the dam in Alstead inundated.
9 ft
Warren Brook likely to cause flooding along Route 123 or Forest Road east of Alstead.
8 ft
Flooding in Acworth in the headwaters of the Cold River.
7 ft
River out of banks.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jul 29, 2021 | 11.78 ft | 10,500 cfs |
| Jul 10, 2023 | 11.67 ft | 10,285 cfs |
| Jul 10, 2023 | 11.67 ft | 10,300 cfs |
About This Gauge
Get Flood Alerts for Cold 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 Cold River at Alstead?
The Cold River at Alstead gauge is maintained by USGS (site 01154950) 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 Cold River at Alstead?
The NWS-defined flood stage for Cold River at Alstead is 9 feet. Action stage begins at 8 feet. Moderate flooding starts at 10 feet, and major flooding at 11 feet.
How do I get alerts when Cold River rises?
Download StormCast free on Google Play, go to River Gauges, and add Cold River at Alstead 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 Cold River at Alstead gauge located?
The gauge is located in Cheshire County, New Hampshire at coordinates 43.1494°N, 72.3617°W. USGS site number: 01154950. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: USGS Station Information