Patterson Lake fish stocking

Okanogan County, Washington

Last stocked
Sep 18, 2026
3 weeks ago
Fish, last 12 months
29,150
4 stockings
Species
Brown Trout, Kokanee, Rainbow Trout, Tiger Trout

Patterson Lake in Okanogan County, Washington was last stocked on September 18, 2026 with 2,000 rainbow trout from Chelan Hatchery. Across the 5 years shown here, WDFW released 133,197 fish in 18 separate stockings. Stockings here are most common in May, June, and September.

When Patterson Lake gets fish

Total fish stocked in each month, all years shown on this page combined.

Stocking history

Washington reports the exact release date. Sizes for Washington are estimated from the reported fish-per-pound.

2026 · 29,150 fish

DateSpeciesFishSizeType
Rainbow Trout2,0009.3″Catchable
Brown Trout2,1509.3″Catchable
Kokanee8,771—Fry
Kokanee16,229—Fry

2025 · 30,073 fish

DateSpeciesFishSizeType
Rainbow Trout2,5008.9″Catchable
Brown Trout2,5009.2″Catchable
Kokanee20,5812.1″Fry
Kokanee4,4922.1″Fry

2024 · 30,000 fish

DateSpeciesFishSizeType
Brown Trout2,5007.4″Catchable
Rainbow Trout2,5009.3″Catchable
Kokanee25,000—Fry

2023 · 25,000 fish

DateSpeciesFishSizeType
Rainbow Trout2,5009.3″Catchable
Tiger Trout2,5008.9″Catchable
Tiger Trout5,0003.1″Fry
Kokanee15,000—Fry

2022 · 18,974 fish

DateSpeciesFishSizeType
Rainbow Trout2,5009.3″Catchable
Tiger Trout2,5009.3″Catchable
Kokanee13,9742.4″Fry
Check the rules before you go. Seasons, daily limits, size limits and gear rules can be different on Patterson Lake than elsewhere in Washington. See the official Washington fishing regulations.

Frequently asked questions

When was Patterson Lake last stocked?

WDFW records show Patterson Lake was last stocked on September 18, 2026 (3 weeks ago), with 2,000 rainbow trout.

What fish are stocked in Patterson Lake?

Patterson Lake has been stocked with brown trout, kokanee, rainbow trout, and tiger trout in the years shown here (2022–2026).

When does Patterson Lake usually get stocked?

Most fish have been stocked in May, June, and September. Exact dates change from year to year, so check back or see WDFW's official stocking page.

Do I need a license to fish Patterson Lake?

Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Patterson Lake.

Other stocked waters in Okanogan County

All 75 stocked waters in Okanogan County →

Source: WDFW Fish Plants (data.wa.gov). Stocked Lakes is not affiliated with Washington Department of Fish and Wildlife. Spot a problem? Let us know.