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Souhegan River trout stocking

Wilton, 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 (920 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
920 fish
Water temperature
54°F
Ideal for trout

River conditions

USGS gage: SOUHEGAN RIVER (SITE WLR-1) NEAR MILFORD, NH (8 km away).

Water temperature
54°F
Flow
21 cfs
about normal for the last six weeks
Gage height
3.07 ft

Ideal for trout. Prime range for trout (about 50 to 65°F): fish are feeding actively.

463122Aug 11Sep 23
Streamflow, last six weeks (cfs), daily. Latest: 26 cfs on Sep 23.

Latest reading Sep 25, 2026, 2:45 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Souhegan River

  • Tonight
    41°F
    Mostly Cloudy
    wind 5 mph
  • Friday
    64°F
    Mostly Cloudy
    2% rain · wind 5 to 15 mph
  • Friday Night
    50°F
    Chance Light Rain
    53% rain · wind 10 to 15 mph
  • Saturday
    58°F
    Rain
    76% rain · wind 15 mph
  • Saturday Night
    50°F
    Rain
    85% rain · wind 15 mph
  • Sunday
    57°F
    Light Rain
    85% 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

Jan: 0 stockingsJanFeb: 0 stockingsFebMar: 0 stockingsMarApr: 2 stockings2AprMay: 1 stockings1MayJun: 0 stockingsJunJul: 0 stockingsJulAug: 0 stockingsAugSep: 0 stockingsSepOct: 0 stockingsOctNov: 0 stockingsNovDec: 0 stockingsDec
Stockings of Souhegan River by month, all years on record. This month is shown in blue.

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Brown trout1360360
Rainbow trout1200200
Brook trout1360360

Stocking history

DateSpeciesFishPoundsHatchery
May 14, 2026Brown trout360129Milford State Fish Hatchery
Apr 16, 2026Rainbow trout20095Milford State Fish Hatchery
Apr 8, 2026Brook trout360113Milford 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?

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

DirectionsLarger map

Stocked waters near Souhegan River

All stocked waters in Hillsborough CountyStocked 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, 360 fish).
How warm is the water near Souhegan River?
The USGS gage read 54°F on Sep 25. Prime range for trout (about 50 to 65°F): fish are feeding actively.