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This probabilistic forecast is issued by the Northeast River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

For official forecast click here

Experimental Short Range Forecast Uncertainty (AHPS) - External Links: Product Description Document | Customer Survey

About this graph

Forecasts for the Nashua River at East Pepperell are issued routinely year-round.

Vertical datum height surveyed by the USGS

Return to Area Map

Zoom Level:16

Flood Categories (in feet)

Major Flood Stage:	15
Moderate Flood Stage:	12
Flood Stage:	8
Action Stage:	7
Low Stage (in feet):	-9999

Historic Crests
(1) 19.10 ft on 03/20/1936
(2) 16.19 ft on 04/07/1987
(3) 15.75 ft on 03/17/2010
(4) 14.08 ft on 09/23/1938
(5) 13.78 ft on 04/01/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.15 ft on 01/15/2024
(2) 9.41 ft on 12/20/2023
(3) 9.21 ft on 04/02/2014
(4) 7.92 ft on 09/10/2011
(5) 9.64 ft on 03/09/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

	Gauge Location	Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
16	Widespread 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.
15	Flooding 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
14	Flooding 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.
12	Flooding 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.
11	Flooding 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.
10	Minor 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.
9	Minor 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	Minor lowland flooding is likely along the river from East Pepperell downstream through Hollis.

Other Real-time and/or Archive Data Sources:

U.S. Geological Survey (USGS) Data and Site Info for East Pepperell

Additional Information

Potential River Levels - Used to

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS)	7 Day (NAEFS)	7 Day (GEFS)

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

NWS Information

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(508) 622-3250
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Page last modified: 2-Nov-2020 7:30 PM

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