Anyone interested in fishing Williams Lake or waters within the wider area around Marion should consult with local resources before heading out to fish. Anglers who are familiar with Williams Lake are asked to suggest changes using the link above.
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Fishing regulations in Iowa can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
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