Charles River at Waltham
Massachusetts — Water Level & Flood Stage
Located in Middlesex County, Massachusetts on the Charles River. Live water level data from USGS gauge 01104500, updated every 15 minutes.
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
Flood Stages
Major Flood
9 ft
Moderate Flood
7 ft
Minor Flood
5 ft
Action Stage
4 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Mar 15, 2010 | 7.56 ft | 3,811 cfs |
| Mar 15, 2010 | 7.56 ft | 3,811 cfs |
| Feb 2, 1976 | 6.54 ft | 4,150 cfs |
| Feb 2, 1976 | 6.54 ft | 4,150 cfs |
| Jan 24, 1979 | 6.48 ft | 3,480 cfs |
About This Gauge
USGS Site
NWS LID
WLTM3
River
Charles River
County
Middlesex, MA
Coordinates
42.3723°N, 71.2337°W
Get Flood Alerts for Charles 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 Charles River at Waltham?
The Charles River at Waltham gauge is maintained by USGS (site 01104500) 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 Charles River at Waltham?
The NWS-defined flood stage for Charles River at Waltham is 5 feet. Action stage begins at 4 feet. Moderate flooding starts at 7 feet, and major flooding at 9 feet.
How do I get alerts when Charles River rises?
Download StormCast free on Google Play, go to River Gauges, and add Charles River at Waltham to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Charles River at Waltham gauge located?
The gauge is located in Middlesex County, Massachusetts at coordinates 42.3723°N, 71.2337°W. USGS site number: 01104500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Charles River
On This River
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.