Merrimack River at Franklin Junction, NH

Merrimack County, New Hampshire · USGS gauge 01081500 · NWS FRJN3 · Merrimack River flood status · New Hampshire river levels

Is Merrimack River at Franklin Junction, NH flooding right now?

Merrimack River at Franklin Junction, NH measured 3.73 ft on 2026-09-11 01:30:00 UTC. That observation was 12.3 ft below its 16 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height

3.73 ft

as of 71 min ago

Streamflow

556 cfs

data refreshed 9 min ago

Minor flooding here begins at 16 ft, with major flooding at 28 ft. The highest crest on record was 36.4 ft on Thu, Mar 19, 1936.

Flood forecast

NWS forecast, issued 12 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

Category	Stage	Current distance
Action	14 ft	10.3 ft below
Minor flood	16 ft	12.3 ft below
Moderate flood	22 ft	18.3 ft below
Major flood	28 ft	24.3 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

Stage	Date
36.4 ft	1936-03-19
30.85 ft	1927-11-05
29.5 ft	1938-09-22
24 ft	1923-04-30
22.8 ft	1925-02-13

Last 7 days

Past 7 days · 3.60–4.45 ft

Nearby gauges

Gauge	Distance	County
Winnipesaukee River at Tilton, NH	3.5 mi	Belknap County
Blackwater River near Webster, NH	8.9 mi	Merrimack County
Smith River near Bristol, NH	11.0 mi	Merrimack County
Warner River at Davisville, NH	12.5 mi	Merrimack County
Contoocook River below Hopkinton Dam at W Hopkinton, NH	16.6 mi	Merrimack County

Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast