Connecticut River at Northampton
Massachusetts — Water Level & Flood Stage
Located in Hampshire County, Massachusetts on the Connecticut River. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: NHMM3). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
120 ft
Moderate Flood
115 ft
Minor Flood
112 ft
Action Stage
110 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
130 ft
This is near the flood of record, a very dangerous flood. Numerous road closures along the river are likely. Portions of Route 5 may be flooded in Northampton, Easthampton, and northern Holyoke. Know alternate routes. Follow detours to avoid these flooded areas. The Connecticut River may overtop the flood dike in some areas. Widespread inundation along the Mill River in Hatfield through the Valley and South Street neighborhood is expected.
126 ft
The river elevation is approaching the flood of record. Significant impact to both residential and business interests is expected. Follow evacuation orders from local officials. Some roadways, including portions of Route 5 will be closed due to flooding. Know alternate routes and obey all road closures to avoid these areas.
123 ft
Significant flooding will impact Northampton, Easthampton, Hadley and South Hadley. Avoid flooded areas. Follow the directions of local officials, and evacuate if asked to do so. This is a major flood, various low lying residential areas in the vicinity of the river will become inundated and various road closures will occur.
121 ft
Extensive flooding is likely to impact Northampton, Easthampton, Hadley and South Hadley. Follow the directions of local officials and evacuate immediately if asked to do so.
119 ft
Hatfield will continue to experience more extensive flooding as flood waters spread across King Street as well as parts of Main Street on the north side of town. Multiple street closures are likely. Significant flooding occurs in Northampton, Easthampton, Hadley and South Hadley. Follow the directions of local officials and evacuate immediately if asked to do so.
118 ft
Flooding spreads across sections of Hatfield, Hadley, Northampton, Easthampton and South Hadley. Should evacuations be required, follow the directions of local officials and head to higher ground quickly. Farming interests will be significantly impacted in the Pioneer Valley as flood waters continue to rise.
117 ft
Flooding impacts a large portion of the Oxbow in Northampton. Flooding associated with back water from the Connecticut will continue to impact Hatfield. Flooding will continue to worsen along the Mill River in Hatfield while flooding begins to affect parts of Cronin Hill. Some streets may be closed and some local evacuations may be required. Flooding will also become more widespread throughout Northampton.
115 ft
Flooding affects a large portion of the Oxbow in Northampton. Flood waters also reach Route 5, a portion of which may be impassable. Flooding spreads across the lower lying sections of Hadley. In Hatfield, back water from the Connecticut River will push the Mill River over its banks, flooding parts of Valley Street and surrounding areas.
114 ft
Flooding affects the Oxbow in Northampton, including Riverside Homes on Island Road. Flooding also spreads across parts of Hadley. In Hatfield, back water from the Connecticut River will push the Mill River over its banks flooding parts of Valley Street and surrounding areas.
113 ft
Minor flooding will affect portions of Northampton in the vicinity of the Oxbow and Hadley along Aqua Vitae Road. Farming interests in Hatfield outside flood dike protection will experience flooding.
112 ft
Lowland flooding is expected in and around Northampton including low lying sections of the Oxbow. Minor flooding affects Hadley along Aqua Vitae Road. In Hatfield, flooding is expected in the lowest lying sections, primarily farming interests outside flood dike protection.
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 18, 1936 | 129.4 ft | — |
| Mar 18, 1936 | 129.4 ft | — |
| Sep 21, 1938 | 125 ft | — |
| Sep 21, 1938 | 125 ft | — |
| May 30, 1984 | 120.8 ft | — |
About This Gauge
NWS LID
NHMM3
River
Connecticut River
County
Hampshire, MA
Coordinates
42.3108°N, 72.6219°W
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Frequently Asked Questions
What is the current water level of Connecticut River at Northampton?
The Connecticut River at Northampton gauge is maintained by USGS 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 Connecticut River at Northampton?
The NWS-defined flood stage for Connecticut River at Northampton is 112 feet. Action stage begins at 110 feet. Moderate flooding starts at 115 feet, and major flooding at 120 feet.
How do I get alerts when Connecticut River rises?
Download StormCast free on Google Play, go to River Gauges, and add Connecticut River at Northampton 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 Connecticut River at Northampton gauge located?
The gauge is located in Hampshire County, Massachusetts at coordinates 42.3108°N, 72.6219°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Northampton DPW
- Stage may be affected by ice.