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Willow Slough Fishing Regulations
What to check before fishing at Willow Slough in Mills County, Iowa.
Fishing at Willow Slough
Willow Slough provides access to Willow Slough, a public body in Mills County, Iowa. Species-specific size and bag limits can vary by water body and change seasonally, so always confirm current rules for Willow Slough specifically before you fish — statewide defaults don't always apply to every lake, river, or stretch of coast.
Check current regulations for Willow Slough →Fishing License
Fishing in Iowa is regulated by the Iowa Department of Natural Resources. Most anglers 16 and older need a valid license, with some exceptions for residents, youth, or shore-based fishing depending on the state.
Get a Iowa fishing license →Before you cast a line, check:
- Size and bag limits for your target species on Willow Slough specifically
- Whether Willow Slough has any special regulations (slot limits, catch-and-release zones, closed seasons)
- Your license requirements based on age, residency, and whether you're fishing from the bank or a boat
- Any required stamps or endorsements for specific species (e.g. trout, saltwater)