When was Souhegan River last stocked?

The latest reported stocking was May 14, 2026 (brown trout, 360 fish), according to New Hampshire agency reports.

How often is Souhegan River stocked?

Stocked 3 times in 2026, mostly in April, usually on Thursdays, about every 28 days. Across all years on record, most stockings come in April.

What kind of trout are stocked in Souhegan River?

Brown trout (1 stocking, 360 fish); Rainbow trout (1 stocking, 200 fish); Brook trout (1 stocking, 425 fish).

Souhegan River trout stocking

Amherst, Hillsborough County, New Hampshire · stream

Souhegan River was last stocked 4 months ago (May 14, 2026). We have 3 stockings on record since Apr 8, 2026, 3 in the last 12 months (985 fish). Most stockings come in April. Species stocked: brown trout, rainbow trout, brook trout.

Last stocked

4 months ago

May 14, 2026

Next planned

Not announced

Last 12 months

3 stockings

985 fish

On record

3 stockings

since Apr 8, 2026

River conditions

USGS gage: SOUHEGAN RIVER AT MERRIMACK, NH (8 km away).

Flow: 44 cfs; about normal for the last six weeks
Gage height: 2.36 ft

Streamflow, last six weeks (cfs), daily. Latest: 50 cfs on Sep 23.

Latest reading Sep 25, 2026, 2:30 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Souhegan River

Tonight
42°F
Mostly Cloudy
wind 5 to 10 mph
Friday
66°F
Mostly Cloudy
3% rain · wind 5 to 20 mph
Friday Night
50°F
Chance Light Rain
48% rain · wind 10 to 15 mph
Saturday
61°F
Rain
76% rain · wind 15 mph
Saturday Night
50°F
Rain
85% rain · wind 10 to 15 mph
Sunday
60°F
Light Rain
84% rain · wind 15 mph

Forecast from the National Weather Service for this location, refreshed hourly.

When is Souhegan River stocked?

Most stockings come in April. Stocked 3 times in 2026, mostly in April, usually on Thursdays, about every 28 days.

By month, all years

Stockings of Souhegan River by month, all years on record. This month is shown in blue.

What is stocked

Species	Stockings	Fish	Fish per stocking
Brown trout	1	360	360
Rainbow trout	1	200	200
Brook trout	1	425	425

Stocking history

Date	Species	Fish	Pounds	Hatchery
May 14, 2026	Brown trout	360	129	Milford State Fish Hatchery
Apr 16, 2026	Rainbow trout	200	95	Milford State Fish Hatchery
Apr 8, 2026	Brook trout	425	133	Milford State Fish Hatchery

From New Hampshire fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go.

Where is Souhegan River?

Amherst, Hillsborough County, New Hampshire. The marker is the agency's location for this water; streams are often stocked at several access points.

Directions Larger map

Stocked waters near Souhegan River

Souhegan Riverstream · 5 mistocked May 14, 2026
Souhegan Riverstream · 5 mistocked May 14, 2026
Baboosic Brookstream · 5 mistocked Apr 14, 2026
Purgatory Brookstream · 5 mistocked May 4, 2026
Baboosic Brookstream · 7 mistocked Apr 14, 2026
Nissitissit Riverstream · 8 mistocked May 4, 2026
Tates Pondlake · 9 mistocked Apr 30, 2026
Souhegan Riverstream · 10 mistocked May 14, 2026

All stocked waters in Hillsborough County Stocked this week in New Hampshire

Questions about Souhegan River

When was Souhegan River last stocked?: The latest reported stocking was May 14, 2026 (brown trout, 360 fish), according to New Hampshire agency reports.
How often is Souhegan River stocked?: Stocked 3 times in 2026, mostly in April, usually on Thursdays, about every 28 days. Across all years on record, most stockings come in April.
What kind of trout are stocked in Souhegan River?: Brown trout (1 stocking, 360 fish); Rainbow trout (1 stocking, 200 fish); Brook trout (1 stocking, 425 fish).