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Fishing Quaddick Reservoir, Upper (Stump Pond): what the data says
141-acre reservoir near Thompson. CT DEEP survey water. The lake tops out around 9 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. What follows comes from the same scoring engine that paints the spots above.
Largemouth Bass fishing at Quaddick Reservoir, Upper (Stump Pond)
Spring largemouth bass on Quaddick Reservoir, Upper (Stump Pond) hold shallow, usually 2 to 9 ft. Summer fish stay in 3 to 9 ft, and winter fish hold in 3 to 9 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring largemouth bass. Best bite is early morning and the evening. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 9 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 3 to 9 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 2 to 9 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 3 to 9 ft | midday | Blade bait, Jigging spoon |
Yellow Perch fishing at Quaddick Reservoir, Upper (Stump Pond)
In spring, yellow perch run shallow here, mostly 2 to 9 ft. Summer fish stay in 3 to 9 ft, and winter fish hold in 3 to 9 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for yellow perch in spring. In summer the feeding windows fall in early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 9 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 3 to 9 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 3 to 9 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 3 to 9 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Chain Pickerel fishing at Quaddick Reservoir, Upper (Stump Pond)
Start shallow in spring: chain pickerel sit in 2 to 9 ft that time of year. Summer fish stay in 2 to 9 ft, and winter fish hold in 3 to 9 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for chain pickerel in spring. Plan around early morning and the evening in the warm months. Tie on a weedless spoon + trailer or a buzzbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 9 ft | midday & dawn | Inline spinner (silver), Small spoon (red/white) |
| Summer | 2 to 9 ft | dawn & dusk | Weedless spoon + trailer, Buzzbait |
| Fall | 2 to 9 ft | midday & dawn | Jerkbait along weed edges, Spinnerbait |
| Winter | 3 to 9 ft | dawn | Jigging spoon (through ice) |
Bluegill fishing at Quaddick Reservoir, Upper (Stump Pond)
In spring, bluegill run shallow here, mostly 1 to 6 ft. By summer they slide out to 2 to 9 ft, and by winter most fish are in 3 to 9 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring bluegill. In summer the feeding windows fall in early morning and the evening. Tie on a small sponge spider (fly) or a micro tube jig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 2 to 9 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 3 to 9 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 3 to 9 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Notable structure
- Deep basin: deep basin, around 9 ft
- Break off the point: drop-off, around 6 ft
- Shallow bay flat: weed flat, around 3 ft
- Main-lake point: point, around 2 ft
- Secondary point: point, around 2 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Quaddick Reservoir, Upper (Stump Pond)?
Quaddick Reservoir, Upper (Stump Pond) is about 9 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Quaddick Reservoir, Upper (Stump Pond)?
Anglers target largemouth bass, bluegill, yellow perch, chain pickerel on Quaddick Reservoir, Upper (Stump Pond).
Where is the best fishing spot on Quaddick Reservoir, Upper (Stump Pond)?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Quaddick Reservoir, Upper (Stump Pond)?
For largemouth bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Quaddick Reservoir, Middle · Quaddick Reservoir, Lower · Little Pond · Keach Pond · West Thompson Reservoir · Killingly Pond
See how Quaddick Reservoir, Upper (Stump Pond) stacks up: best largemouth bass lakes in Connecticut · best bluegill lakes in Connecticut · best yellow perch lakes in Connecticut · best chain pickerel lakes in Connecticut
Browse all Connecticut fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.