Major Flood
13 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
12 ft
Minor Flood
10 ft
Action Stage
8.5 ft
What Floods at Each Level
15 ft
Significant flooding occurs along the river, especially in Wayland and Concord. In Wayland portions of Route 20 both west and east bound as well as Route 27, Old Sudbury Road, will be impacted. In Concord Nashawtuc Road, Sudbury Road and Route 117 will be heavily impacted. This is a serious, potentially life threatening situation. Follow the directions of local officials if you are asked to evacuate. Do not go sightseeing and stay away from river banks which can give way due to erosion.
13.5 ft
Significant flooding occurs along the river, espeically in Wayland and Concord. In Wayland, portions of Route 20 both west and east bound as well as Route 27, Old Sudbury Road, will be impacted from Glezen Lane to the Sudbury town line. In Concord Nashawtuc Road, Sudbury Road and Route 117 will be heavily impacted. Should evacuation be required, do so immediately. Follow the directions of emergency management officials. Know alternate routes for travel, and stay away from flooded areas.
12.5 ft
Flooding impacts portions of Route 27, Old Sudbury Road, in Wayland as well as Route 20 both west and east bound at Route 27. Portions of Route 27 will have up to 12 inches of water. Other low lying areas in Wayland will experience flooding including Pelham Island Road and Shore Drive near Stonebridge Road. Flood waters will be impacting portions of Nashawtuc Road, Sudbury Road and Route 117 in Concord.
12 ft
Flooding affects low lying areas of Wayland, including Pelham Island Road near Heards Pond. Shore Drive near Stonebridge Road will experience some flooding as well as Route 20 eastbound at Route 27. Flood waters will begin to impact portions of Nashawtuc Road, Sudbury Road and Route 117 in Concord.
11 ft
Flooding will affect portions of Shore and Pelham Island Roads as well as River Road in Wayland. Flooding will also begin to impact Route 20 at Route 27. Other low lying areas along the river will experience flooding.
10 ft
Flooding will affect low lying areas along the river in Wayland, including a portion of Shore Road and Pelham Island Road near Heards Pond.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Mar 31, 2010 | 13.99 ft | 2,593 cfs |
| Apr 7, 1987 | 13.47 ft | 2,420 cfs |
| Jun 6, 1982 | 13.3 ft | 2,420 cfs |
About This Gauge
USGS Site
NWS LID
SAXM3
River
Sudbury River
County
Middlesex, MA
Coordinates
42.3254°N, 71.3976°W
Get Flood Alerts for Sudbury 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 Sudbury River at Saxonville?
The Sudbury River at Saxonville gauge is maintained by USGS (site 01098530) 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 Sudbury River at Saxonville?
The NWS-defined flood stage for Sudbury River at Saxonville is 10 feet. Action stage begins at 8.5 feet. Moderate flooding starts at 12 feet, and major flooding at 13 feet.
How do I get alerts when Sudbury River rises?
Download StormCast free on Google Play, go to River Gauges, and add Sudbury River at Saxonville 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 Sudbury River at Saxonville gauge located?
The gauge is located in Middlesex County, Massachusetts at coordinates 42.3254°N, 71.3976°W. USGS site number: 01098530. 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