Middlesex County · stream · order 4 river · ~35 cfs typical
Catacoonamug Brook
1 stocking on record · MassWildlife
Catacoonamug Brook is a stream in Middlesex County, Massachusetts, stocked with Brown Trout — most recently on Apr 24, 2026. FishableWaters aggregates every stocking record for this water from MassWildlife; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Overcast
80°
61°
6 mph
15%
Sat
Overcast
86°
65°
7 mph
14%
Sun
Overcast
85°
65°
10 mph
14%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| Apr 24 | Brown Trout | — | ||
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- Phoenix Pond0.6 mi
- Nashua River Reservoir1.1 mi
- Mirror Lake1.7 mi
- Bow Brook Reservoir1.5 mi
- Robbins Pond1.6 mi
- Little Mirror Lake1.8 mi
- Nonacoicus Brook2.0 mi
- Dead Pond1.8 mi
Seasons, limits, and rules are the state's call — check the official MA regulations and buy your license before you go. We link the source; we never restate the rules.
Catacoonamug Brook fishing — FAQ
What fish are stocked in Catacoonamug Brook?+
Catacoonamug Brook is stocked with Brown Trout in Middlesex County, Massachusetts, most recently on Apr 24, 2026 by MassWildlife. The full stocking ledger is on this page.
Do I need a license to fish Catacoonamug Brook?+
Yes — Massachusetts requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Catacoonamug Brook?+
Catacoonamug Brook is a stream in Middlesex County, Massachusetts. Driving directions and an interactive topo map are on this page.
Data: MassWildlife · updated Apr 24, 2026 · checked daily · we publish what agencies publish, nothing else.