When was Willow River last stocked?

The latest reported stocking was in 2025 (brown trout and rainbow trout, 19,113 fish), according to Wisconsin agency reports.

Is Willow River stocked often?

Tied for the most stocked water in St. Croix County (9 stocking days on record). Stocked more often than 78% of Wisconsin waters on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Willow River?

Brown trout (26 stockings, 198,798 fish); Rainbow trout (19 stockings, 49,090 fish).

Willow River trout stocking

St. Croix County, Wisconsin · stream

Willow River was last stocked in 2025; Wisconsin publishes yearly totals rather than dates. We have 9 stockings on record since 2017. Species stocked: brown trout, rainbow trout.

Last stocked

2025

yearly total, no date published

Next planned

Not announced

Last 12 months

0 stockings

On record

9 stockings

since 2017

Tied for the most stocked water in St. Croix County (9 stocking days on record).
Stocked more often than 78% of Wisconsin waters on our record.

What is stocked

Species	Stockings	Fish	Fish per stocking	Typical size
Brown trout	26	198,798	7,646	3.3 in
Rainbow trout	19	49,090	2,584	9.6 in

Stocking history

20251 stocking · 19,113 fish

Date	Species	Fish	Size
Yearly totalLatest date not published	Brown troutRainbow trout	19,113	8.1 in

20241 stocking · 64,014 fish

Date	Species	Fish	Size
Yearly total date not published	Brown troutRainbow trout	64,014	6.7 in

20231 stocking · 24,276 fish

Date	Species	Fish	Size
Yearly total date not published	Brown troutRainbow trout	24,276	9.2 in

20221 stocking · 19,419 fish

Yearly total brown trout, rainbow trout, 19,419 fish

20211 stocking · 24,737 fish

Yearly total brown trout, rainbow trout, 24,737 fish

20201 stocking · 25,219 fish

Yearly total brown trout, rainbow trout, 25,219 fish

20191 stocking · 29,927 fish

Yearly total brown trout, rainbow trout, 29,927 fish

20181 stocking · 24,337 fish

Yearly total brown trout, rainbow trout, 24,337 fish

20171 stocking · 16,846 fish

Yearly total brown trout, rainbow trout, 16,846 fish

From Wisconsin fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Wisconsin fishing regulations.

Other stocked waters in St. Croix County

Apple Riverstream11 on record
Glen Lakelake13 on record
Unnamed Single-Line Stream T29n-R19w-S18lake12 on record

All stocked waters in St. Croix County Stocked this week in Wisconsin

Questions about Willow River

When was Willow River last stocked?: The latest reported stocking was in 2025 (brown trout and rainbow trout, 19,113 fish), according to Wisconsin agency reports.
Is Willow River stocked often?: Tied for the most stocked water in St. Croix County (9 stocking days on record). Stocked more often than 78% of Wisconsin waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Willow River?: Brown trout (26 stockings, 198,798 fish); Rainbow trout (19 stockings, 49,090 fish).

Stocking data from the Wisconsin Department of Natural Resources fish stocking database, which reports yearly totals per water after verification, without stocking dates. We will correct or remove it on request.