When was Mascoma River last stocked?

The latest reported stocking was May 20, 2026 (brook trout, 250 fish), according to New Hampshire agency reports.

How often is Mascoma River stocked?

It was stocked 2 times in the last 12 months.

What kind of trout are stocked in Mascoma River?

Brook trout (2 stockings, 500 fish); Brown trout (2 stockings, 300 fish); Rainbow trout (2 stockings, 150 fish).

Mascoma River trout stocking

Lebanon, Grafton County, New Hampshire · stream

Mascoma River was last stocked 4 months ago (May 20, 2026). We have 6 stockings on record since Apr 17, 2026, 2 in the last 12 months (950 fish). Species stocked: brook trout, brown trout, rainbow trout.

Last stocked

4 months ago

May 20, 2026

Next planned

Not announced

Last 12 months

2 stockings

950 fish

On record

6 stockings

since Apr 17, 2026

River conditions

Nearest USGS gage: CONNECTICUT RIVER AT WEST LEBANON, NH (3 km away, on a different stream or lake).

Flow: 1,550 cfs; about normal for the last six weeks
Gage height: 4.45 ft

Streamflow, last six weeks (cfs), daily. Latest: 1,640 cfs on Sep 23.

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

Weather at Mascoma River

Tonight
42°F
Mostly Cloudy then Areas Of Fog
wind 0 to 5 mph
Friday
70°F
Areas Of Fog then Mostly Cloudy
wind 0 to 10 mph
Friday Night
50°F
Cloudy then Chance Light Rain
25% rain · wind 0 to 5 mph
Saturday
63°F
Light Rain Likely
62% rain · wind 5 to 10 mph
Saturday Night
52°F
Light Rain Likely
62% rain · wind 5 to 10 mph
Sunday
62°F
Light Rain Likely
68% rain · wind 5 to 10 mph

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

When is Mascoma River stocked?

Stockings are spread across the year.

By month, all years

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

What is stocked

Species	Stockings	Fish	Fish per stocking
Brook trout	2	500	250
Brown trout	2	300	150
Rainbow trout	2	150	75

Stocking history

Date	Species	Fish	Pounds	Hatchery
May 20, 2026	Brook trout	250	60	Warren State Fish Hatchery
May 20, 2026	Brown trout	150	62	Warren State Fish Hatchery
May 20, 2026	Rainbow trout	75	47	Warren State Fish Hatchery
Apr 17, 2026	Brook trout	250	52	Warren State Fish Hatchery
Apr 17, 2026	Brown trout	150	47	Warren State Fish Hatchery
Apr 17, 2026	Rainbow trout	75	34	Warren 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 Mascoma River?

Lebanon, Grafton 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 Mascoma River

Mascoma Lakelake · 6 mistocked May 16, 2026
Mascoma Riverstream · 7 mistocked May 20, 2026
Cole Pondlake · 8 mistocked May 26, 2026
Halfmile Pondlake · 8 mistocked Jun 16, 2026
Mascoma Riverstream · 9 mistocked May 20, 2026
Crystal Lakelake · 10 mistocked May 7, 2026
Cole Pondlake · 10 mistocked Jun 16, 2026
Goose Pondlake · 10 mistocked Apr 28, 2026

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

Questions about Mascoma River

When was Mascoma River last stocked?: The latest reported stocking was May 20, 2026 (brook trout, 250 fish), according to New Hampshire agency reports.
How often is Mascoma River stocked?: It was stocked 2 times in the last 12 months.
What kind of trout are stocked in Mascoma River?: Brook trout (2 stockings, 500 fish); Brown trout (2 stockings, 300 fish); Rainbow trout (2 stockings, 150 fish).