When was Blackwater River last stocked?

The latest reported stocking was Apr 23, 2026 (brown trout, 100 fish), according to New Hampshire agency reports.

How often is Blackwater River stocked?

It was stocked once in the last 12 months.

Is Blackwater River stocked often?

Number 30 of 42 stocked waters in Merrimack County by stocking days. Stocked about as often as a typical New Hampshire water on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Blackwater River?

Brown trout (1 stocking, 100 fish).

Blackwater River trout stocking

Hopkinton, Merrimack County, New Hampshire · stream · 345 ft elevation

Blackwater River was last stocked 7 months ago (Apr 23, 2026). We have 1 stocking on record since Apr 23, 2026, 1 in the last 12 months (100 fish). Species stocked: brown trout.

Last stocked

7 months ago

Apr 23, 2026

Next planned

Not announced

Last 12 months

1 stocking

100 fish

On record

1 stocking

since Apr 23, 2026

Number 30 of 42 stocked waters in Merrimack County by stocking days.
Stocked about as often as a typical New Hampshire water on our record.

River conditions

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

Flow: 51 cfs; about normal for the last six weeks
Gage height: 3.58 ft

Streamflow, last six weeks (cfs), daily. Latest: 45 cfs on Nov 8.

Latest reading Nov 9, 2026, 8:30 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Blackwater River

Tonight
36°F
Mostly Clear
2% rain · wind 0 mph
Monday
69°F
Mostly Sunny
4% rain · wind 0 to 5 mph
Monday Night
42°F
Mostly Cloudy
1% rain · wind 0 mph
Tuesday
68°F
Partly Sunny
1% rain · wind 0 mph
Tuesday Night
45°F
Mostly Cloudy
5% rain · wind 0 mph
Wednesday
71°F
Mostly Sunny
2% rain · wind 0 to 5 mph

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

What is stocked

Species	Stockings	Fish	Fish per stocking
Brown trout	1	100	100

Stocking history

20261 stocking · 100 fish

Date	Species	Fish	Hatchery
Apr 23Latest Thursday	Brown trout	100 35 lb	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. Seasons and limits: New Hampshire fishing regulations.

Where is Blackwater River?

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

Directions Larger map New Hampshire fishing regulations

Stocked waters near Blackwater River

Warner Riverstream · 3 mistocked May 8, 2026
Blackwater Riverstream · 4 mistocked Apr 23, 2026
Winnepocket Lakelake · 5 mistocked Apr 22, 2026
French Pondlake · 6 mistocked May 6, 2026
Merrimack Riverstream · 6 mistocked May 29, 2026
Contoocook Riverstream · 7 mistocked Apr 28, 2026
Stevens Brookstream · 9 mistocked May 8, 2026
Stirrup Iron Pondlake · 9 mistocked Jun 2, 2026

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

Questions about Blackwater River

When was Blackwater River last stocked?: The latest reported stocking was Apr 23, 2026 (brown trout, 100 fish), according to New Hampshire agency reports.
How often is Blackwater River stocked?: It was stocked once in the last 12 months.
Is Blackwater River stocked often?: Number 30 of 42 stocked waters in Merrimack County by stocking days. Stocked about as often as a typical New Hampshire water on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Blackwater River?: Brown trout (1 stocking, 100 fish).