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Idaho Fish and Game

Fish stocking logo for the Magic Valley Region

Rainbow trout stocking schedule for September 2025 in the Magic Valley Region

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Approximately 10,500 catchable-sized rainbow trout will be stocked in area waters in September

Hatchery personnel from Fish and Game's Magic Valley Region will be stocking approximately 10,500 10-12'' catchable-sized rainbow trout in September. The stocking date and number of fish are approximate. 

Stocking of all waters is tentative and dependent on river/lake/pond conditions (angler safety concerns); dates may change due to weather or staffing constraints.

Body of WaterWeek to be StockedNumber to be Stocked
Hagerman WMA Riley Creek PondSep 1-5350
Hagerman WMA Oster Lake #1Sep 1-5350
Sublett ReservoirSep 1-53,000
Filer Kids Pond & Filer PondSep 8-12450
Freedom Park PondSep 8-12500
Hagerman WMA Riley Creek PondSep 8-12350
Hagerman WMA Oster Lake #1Sep 8-12350
Hagerman WMA Oster Lake #2Sep 8-12250
Hagerman WMA Oster Lake #3Sep 8-12450
Hagerman WMA Oster Lake #4Sep 8-12450
Hagerman WMA Riley Creek PondSep 15-19350
Hagerman WMA Oster Lake #1Sep 15-19350
Gavers LagoonSep 15-19450
Crystal Springs LakeSep 15-19600
Niagara Springs Sep 15-19500
Niagara Springs Wood Duck PondSep 15-19100
Hagerman WMA Riley Creek PondSep 22-26350
Hagerman WMA Oster Lake #1Sep 22-26350
Freedom Park PondSep 22-26500
Filer Kids Pond & Filer PondSep 22-26450

For maps of these Idaho fishing locations and other angling destinations please visit the Fish Planner.

All you need to get started is a fishing license and some basic tackle. Annual adult fishing licenses cost around $30, Junior licenses (ages 14-17) cost around $16, and youth under 14 fish for free. Click here to buy a license.

Most Idaho waters are open to fishing year-round, but some may have slightly different rules. Be sure to pick up a 2025-2025 Idaho Fishing Seasons and Rules Booklet, which outlines season dates, special regulations and bag limits at any Idaho Fish and Game offices or most sporting goods stores statewide.