Nashua River at East Pepperell

1. 16.00 ftWidespread inundation of residential areas along the Nashua River is likely. Areas that will be the most impacted include parts of East Pepperell, Hollis and Nashua. Flooding is expected along a stretch of Route 119 in Pepperell. In Groton, potentially affected areas include Fitchs Bridge Road, Long Hill Road, and Route 225. Take action now to protect life and property. Follow the directions of emergency management officials. The standard river gage does not report at this elevation.
2. 15.00 ftFlooding is expected in low lying residential areas along portions of the Nashua River. Floodwaters inundate a Pepperell Airport as well as low lying areas on route 119. Know the alternate routes in your location so you avoid areas where flood waters may have damaged or closed area roadways. Follow the directions of local officials and if asked to evacuate do so immediately. The standard river gage can not report much higher than this elevation
3. 14.00 ftFlooding is expected in low lying residential areas along portions of the Nashua River. Floodwaters inundate a portion of Route 119 in Pepperell, and also inundate businesses on Route 119 near its junction with Route 111. Know the alternate routes in your location so you avoid areas where flood waters may have damaged or closed area roadways. Follow the directions of local officials and if asked to evacuate do so immediately. The standard river gage can not report much higher than this elevation.
4. 12.00 ftFlooding is expected in low lying residential areas along portions of the Nashua River. Floodwaters inundate a portion of Route 119 in Pepperell, and also inundate businesses on Route 119 near its junction with Route 111. Know the alternate routes in your location so you avoid areas where flood waters may have damaged or closed area roadways.
5. 11.00 ftFlooding is expected in low lying residential areas along portions of the Nashua River. Follow the directions provided by your local emergency management officials. Avoid flood prone locations. Know the alternate routes in your location so you avoid areas where flood waters may have damaged or closed area roadways.
6. 10.00 ftMinor lowland flooding is likely along the river from East Pepperell downstream through Hollis. Flooding will impact some low lying businesses along Route 119 in Pepperell in the vicinity of Route 111.
7. 9.00 ftMinor lowland flooding is likely along the river from East Pepperell downstream through Hollis. Flooding will impact low lying businesses along Route 119 in Pepperell in the vicinity of its junction with Route 111.
8. 8.00 ftMinor lowland flooding is likely along the river from East Pepperell downstream through Hollis.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.

Most recent crests

• May 11, 2025: 8.65 ft
• April 14, 2024: 7.06 ft
• March 12, 2024: 7.09 ft
• January 15, 2024: 8.15 ft
• December 20, 2023: 9.41 ft
• April 2, 2014: 9.21 ft
• September 10, 2011: 7.92 ft
• March 9, 2011: 9.64 ft
• April 1, 2010: 13.78 ft
• March 25, 2010: 8.18 ft

• UpstreamNashua River
• Squannacook River at West Groton
• Merrimack River at Nashua
• North Nashua River at Fitchburg
• Souhegan River at Merrimack
• North Nashua River
• Beaver Brook
• Souhegan River at Milford
• Concord River at Lowell

Forecasts by the Northeast River Forecast Center. Forecasts are issued routinely year-round. Gauge reading affected by power generation. Stage may be affected by ice.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.