Concord River at Lowell

Last updated: Jun 12, 2025, 10:08 AM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 15.5 - This is the maximum recordable river stage at this location.
  • 10 - Significant flooding affects people living along the river. In Lowell, Merrill Street, Joiners and Clark Courts, Billerica and Lawrence streets may be most affected. In Billerica, Pershing Street and Stoney Drive as well as the Elsie Avenue neighborhood will be affected. In Bedford, impacted areas include Carlisle Road (Route 225), Bonnyvale Drive, and Sheridan Road. In Concord, the affected areas may include Route 117 and Route 2. Follow the directions of emergency local officals.
  • 9 - Significant residential flooding will affect people living along the Concord River. In Lowell, Merrill Street, Joiners and Clark Courts may be affected. In Billerica, Pershing Street and Stoney Drive as well as the Elsie Avenue neighborhood will be affected. Follow the directions of emergency management officials.

Gauge Info

Coordinates 42.6368, -71.3020
RFC NERFC
State MA
WFO BOX
County Middlesex
Data Provider(s)
US Geological Survey USGS--Water Resources of the United States
USGS 01099500

Gauge Location

Recent Crests

1. 8.13 ft on 01-15-2024
2. 8.17 ft on 12-21-2023
3. 9.64 ft on 04-03-2010
4. 9.74 ft on 03-17-2010
5. 8.33 ft on 03-01-2010

Historic Crests

1. 9.74 ft on 03-17-2010
2. 9.64 ft on 04-03-2010
3. 9.60 ft on 04-10-1987
4. 9.60 ft on 01-28-1979
5. 8.97 ft on 08-23-1955

Vertical Datum Table

type NAVD88
major Flooding 78.60 ft
moderate Flooding 76.60 ft
minor Flooding 74.60 ft
action 74.10 ft
Latest Value 72.03 ft
Gauge Zero 66.60 ft

Gauge Photos

No Images Found

Probability Information

Photo 1 of 3

Unique Local Info

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) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

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.

WFO Information

Weather Forecast Office
Boston / Norton
46 Commerce Way
Norton, MA 02766
Official Homepage