Contoocook River trout stocking
Henniker, Merrimack County, New Hampshire · stream
Contoocook River was last stocked 5 months ago (Apr 28, 2026). We have 4 stockings on record since Apr 10, 2026, 2 in the last 12 months (2,205 fish). Species stocked: rainbow trout, brook trout, brown trout.
River conditions
USGS gage: CONTOOCOOK R BL HOPKINTON DAM AT W HOPKINTON, NH (5 km away).
- Flow
- 226 cfs
- higher than usual for the last six weeks
- Gage height
- 1.91 ft
Latest reading Sep 25, 2026, 3:00 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Contoocook River
- Tonight38°FMostly Cloudywind 0 to 5 mph
- Friday67°FMostly Cloudywind 0 to 15 mph
- Friday Night51°FChance Light Rain47% rain · wind 5 to 15 mph
- Saturday60°FRain Likely73% rain · wind 10 mph
- Saturday Night51°FRain75% rain · wind 10 to 15 mph
- Sunday59°FRain78% rain · wind 10 to 15 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Contoocook River stocked?
Stockings are spread across the year.
By month, all years
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 2 | 1,000 | 500 | |
| Brook trout | 1 | 525 | 525 | |
| Brown trout | 1 | 680 | 680 |
Stocking history
| Date | Species | Fish | Pounds | Hatchery |
|---|---|---|---|---|
| Apr 28, 2026 | Brook trout | 525 | 131 | Milford State Fish Hatchery |
| Apr 28, 2026 | Brown trout | 680 | 262 | Milford State Fish Hatchery |
| Apr 28, 2026 | Rainbow trout | 400 | 140 | Milford State Fish Hatchery |
| Apr 10, 2026 | Rainbow trout | 600 | 375 | 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 Contoocook River?
Henniker, Merrimack County, New Hampshire. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Contoocook River
- French Pondlake · 2 mistocked May 6, 2026
- Gould Pondlake · 5 mistocked Apr 21, 2026
- Horace Lakelake · 6 mistocked Apr 23, 2026
- Contoocook Riverstream · 6 mistocked May 7, 2026
- Warner Riverstream · 6 mistocked May 8, 2026
- Blackwater Riverstream · 7 mistocked Apr 23, 2026
- Deering Reservoirlake · 9 mistocked Apr 21, 2026
- Mt William Pondlake · 9 mistocked May 6, 2026
All stocked waters in Merrimack CountyStocked this week in New Hampshire
Questions about Contoocook River
- When was Contoocook River last stocked?
- The latest reported stocking was Apr 28, 2026 (brook trout, 525 fish), according to New Hampshire agency reports.
- How often is Contoocook River stocked?
- It was stocked 2 times in the last 12 months.
- What kind of trout are stocked in Contoocook River?
- Rainbow trout (2 stockings, 1,000 fish); Brook trout (1 stocking, 525 fish); Brown trout (1 stocking, 680 fish).