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327-acre state park lake near North Liberty. The lake tops out around 18 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 the data behind the map says about each species, season by season:
The drawn water covers 333 acres wrapped in 7 miles of bank. That shoreline is heavily fingered (development index 2.7) — bays, points and pockets everywhere, which multiplies the fishable edge. Littoral water — the productive band under ~15 ft — makes up 94% of this chart. Tip to tip the water measures near 1.9 mi with a 1-mi widest point. It sits in St. Joseph County. Its nearest charted neighbour, Rupel Lake, is 3 mi to the southwest.
Come spring, look for rainbow trout tight to the bank in 5 to 18 ft. Through summer count on 5 to 18 ft; the winter hold is 4 to 18 ft. Start at Old creek channel. It's a creek channel holding about 7 ft of water and rates prime come summer. Prime time lands in early morning and the evening. A dodger + spoon (deep troll) or a flutter spoon is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 18 ft | dawn & dusk | Creek inflow (2 ft) | Inline spinner (silver), Small spoon |
| Summer | 5 to 18 ft | dawn & dusk | Old creek channel (7 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 5 to 18 ft | dawn & dusk | Old creek channel (7 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 4 to 18 ft | dawn | Break off the point (12 ft) | Jigging spoon, Tube jig (white) |
Start shallow in spring: walleye sit in 4 to 15 ft that time of year. Warm water sends them out to 5 to 18 ft; cold water stacks them in 5 to 18 ft. Top water on the chart: Break off the point, a drop-off in the 12 ft range, prime in fall. Fish it in the evening and early morning and you'll meet the bite. Throw a crawler harness on bottom bouncer or a deep crankbait (trolled) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Creek inflow (2 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 5 to 18 ft | dusk & dawn | Break off the point (12 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 5 to 18 ft | dusk & night | Break off the point (12 ft) | Jigging rap, Jig + big minnow |
| Winter | 5 to 18 ft | dusk & dawn | Deep basin (18 ft) | Jigging spoon + minnow head, Rattle bait |
Spring smallmouth bass on Worster Lake (Potato Creek) hold shallow, usually 3 to 12 ft. They move out to 5 to 18 ft in summer and finish the year down in 5 to 18 ft. Put Break off the point first on the milk run — a drop-off near 12 ft that grades prime for winter. The feeding windows run early morning and the evening. The summer box starts with a drop shot (goby/minnow) or a ned rig.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Main-lake point (4 ft) | Ned rig, Tube jig |
| Summer | 5 to 18 ft | dawn & dusk | Break off the point (12 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 5 to 18 ft | midday & dawn | Main-lake point (4 ft) | Jerkbait, Blade bait |
| Winter | 5 to 18 ft | midday | Break off the point (12 ft) | Blade bait, Hair jig |
Early season channel catfish use the shallows, holding in 3 to 12 ft. Summer is a 5 to 18 ft game here, winter a 5 to 18 ft one. The chart's best answer is Old creek channel — creek channel, 7 ft, prime for summer. Best bite is after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Creek inflow (2 ft) | |
| Summer | 5 to 18 ft | night & dusk | Old creek channel (7 ft) | |
| Fall | 5 to 18 ft | dusk | Old creek channel (7 ft) | |
| Winter | 5 to 18 ft | midday | Deep basin (18 ft) |
12 pieces of structure are mapped here — Deep basin, around 18 ft, is the deepest of them.
Access data: Indiana DNR — Fishing Access Sites. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Indiana waters are set by the Indiana DNR — and special regulations can apply to Worster Lake (Potato Creek) specifically, so confirm the current rules before you fish.
Check the official Indiana fishing regulations →
Worster Lake (Potato Creek) is about 18 ft (5 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target rainbow trout, walleye, smallmouth bass, channel catfish on Worster Lake (Potato Creek).
Break off the point is the top-rated area: a drop-off in about 12 ft of water that rates prime for walleye in fall. Scroll up to the map for the complete spot list by species and season.
For rainbow trout, 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.
Fishing on Worster Lake (Potato Creek) is regulated by the Indiana DNR. Check the official Indiana regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Rupel Lake 3 mi · Riddles Lake 6 mi · South Chain Lake 9 mi · Koontz Lake 11 mi · Pinhook Lake 12 mi · Dixon Lake 15 mi · St. Joseph River 16 mi · Saugany Lake 17 mi · Myers Lake 17 mi · Hog Lake 17 mi · Lawrence Lake 18 mi · Stone Lake 20 mi
See how Worster Lake (Potato Creek) stacks up: best smallmouth bass lakes in Indiana · best walleye lakes in Indiana · best channel catfish lakes in Indiana · best rainbow trout lakes in Indiana
More water nearby: St. Joseph County fishing maps (6 charts). Browse all Indiana fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.