Massac County · reservoir
Mermet Lake
Stocked 12× since 2021 · Illinois DNR
Mermet Lake is a reservoir in Massac County, Illinois, stocked with Channel Catfish and Largemouth Bass — most recently on Jan 1, 2026. FishableWaters aggregates every stocking record for this water from Illinois DNR; 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
85°
65°
8 mph
0%
Fri
Rain
85°
67°
10 mph
21%
Sat
Drizzle
79°
66°
13 mph
36%
→ pressure steadyStable weather — expect a normal bite.
Stocking ledger
| — 2026 — | ||||
| Jan 1 | Channel Catfish | 4,293 | 5.5" | |
| Jan 1 | Channel Catfish | 5,148 | 2" | |
| Jan 1 | Channel Catfish | 624 | 9" | |
| Jan 1 | Largemouth Bass | 10,000 | 2" | |
| — 2025 — | ||||
| Jan 1 | Channel Catfish | 10,017 | 5.5" | |
| — 2024 — | ||||
| Jan 1 | Channel Catfish | 4,000 | 5.5" | |
| Jan 1 | Channel Catfish | 6,115 | 9" | |
| Jan 1 | Largemouth Bass | 10,000 | 2" | |
| — 2023 — | ||||
| Jan 1 | Channel Catfish | 10,000 | 5.5" | |
| — 2022 — | ||||
| Jan 1 | Channel Catfish | 10,000 | 5.5" | |
| Jan 1 | Largemouth Bass | 10,054 | 2" | |
| — 2021 — | ||||
| Jan 1 | Channel Catfish | 10,061 | 5.5" | |
When does Mermet Lake get stocked?
Going by 12 records since 2021, stocking here peaks in January.
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
All Illinois waters with channel catfish → · All Illinois waters with largemouth bass →
Nearby waters
- Round Lake (historical)0.3 mi
- Newtons Creek4.0 mi
- Bean Branch4.4 mi
- Clifty Creek4.7 mi
- Crawford Lake4.8 mi
- Redstone Creek5.2 mi
- Bayou Creek6.4 mi
- Oak Glen Lake6.0 mi
Seasons, limits, and rules are the state's call — check the official IL regulations and buy your license before you go. We link the source; we never restate the rules.
Mermet Lake fishing — FAQ
What fish are stocked in Mermet Lake?+
Mermet Lake is stocked with Channel Catfish and Largemouth Bass in Massac County, Illinois, most recently on Jan 1, 2026 by Illinois DNR. The full stocking ledger is on this page.
When does Mermet Lake get stocked?+
Going by 12 records since 2021, stocking at Mermet Lake peaks in January. Check this page for the season's scheduled and most recent stockings.
Do I need a license to fish Mermet Lake?+
Yes — Illinois 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 Mermet Lake?+
Mermet Lake is a reservoir in Massac County, Illinois. Driving directions and an interactive topo map are on this page.
Data: Illinois DNR · updated Jan 1, 2026 · checked daily · we publish what agencies publish, nothing else.