When was Lake Thirty last stocked?

The most recent stocking season on record for Lake Thirty is 1989. Wisconsin's source reports by season, not an exact date.

Does a stocking record mean the fish are still there?

No. A record means fish were reported stocked. Fish may have been caught, moved or died since. Always check current regulations before fishing.

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Stocked last season

Lake Thirty Fish Stocking

Wisconsin · 1989 to 1989 on record

According to WDNR records, Lake Thirty has 1 stocking records on file across 1 species. The most recent stocking season represented is 1989.

Smallmouth Bass

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Stocking records

1,756

Fish reported stocked

Species

1989

Latest season

Most-stocked species

Smallmouth Bass 1 record

Location

Exact coordinates not yet available

Map not available yet

We don't have coordinates for this water on file.

Stocking history

Values shown exactly as the agency reported them; species names are normalized for search.

SpeciesFish stockedSizePhase

Smallmouth Bass 1,756 3" avg Fingerling

A stocking record does not guarantee fish remain present or may legally be harvested. Check current Wisconsin fishing regulations →

Quick facts

Latest season 1989

Most stocked Smallmouth Bass

Species Smallmouth Bass

Seasons on record 1989 – 1989

Fish reported 1,756

Coordinates —

Data source

Compiled from public records published by the Wisconsin Department of Natural Resources. StockedSpots is independent and not affiliated with or endorsed by WDNR.

Source: Wisconsin Department of Natural Resources (WDNR). Data last checked September 1, 2026.

View WDNR source →

Frequently asked questions

WDNR records show Lake Thirty stocked with Smallmouth Bass.

See something that looks off?

Every stocking record on StockedSpots is pulled directly from official state wildlife agency sources — you can see exactly where each state's data comes from on our data sources page. If a record looks wrong, or you'd like a page reviewed or removed, let us know and we'll look into it.

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