Trout Stocking in Montana

Montana Fish, Wildlife and Parks publishes it as FishMT stocking data, which carries every stocking event FWP has recorded, by water, with date, species, number, size and hatchery. It comes out as drawn from the Fisheries Information System, which FWP describes as updated in real time. That page is the source; this one summarises it and links it, and was last read on September 3, 2026.

No, and this is the most important thing on the page. A stocking record says an agency reported putting fish in a water on a date. Trucks get rerouted, hatcheries hold fish back when water is too warm, and a popular stretch can be fished down in a weekend. The record is history, not a current inventory, and Montana FWP is the only place with the current picture.

The agency sets its seasons water by water or inside its own regulations, and publishes them there. Montana sets fishing seasons by district and by water in its own regulations, and most trout water is open all year. The agency page linked on this page is the authority.

More than 111,000 recorded stocking events in the public FWP dataset. The stocking window Montana FWP describes is: spring into early summer for most waters, high lakes as they open.

Yes. Montana Fish, Wildlife and Parks publishes its stocked waters as geodata, so this site carries 731 Montana waters with coordinates and ranks them by distance from a ZIP code. Only 7 state agencies publish that, which is why the tool covers 7 states and not fifty. Every result prints its distance and the date the registry was built, September 3, 2026.

With Montana Fish, Wildlife and Parks. It publishes the regulations, the licensing and the permits for the waters it manages, and they change season to season and often water by water, so it is the only source worth using for them.