Trout Lake (T21) fish stocking
King County, Washington
Trout Lake (T21) in King County, Washington was last stocked on May 6, 2026 with 1,620 rainbow trout from Puyallup Hatchery. Across the 4 years shown here, WDFW released 6,556 fish in 4 separate stockings. Stockings here are most common in April and May.
When Trout Lake (T21) gets fish
Stocking history
Washington reports the exact release date. Sizes for Washington are estimated from the reported fish-per-pound.
2026 · 1,620 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 1,620 | 9.4″ | Catchable |
2025 · 940 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 940 | 10.8″ | Catchable |
2023 · 2,190 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 2,190 | 8.7″ | Catchable |
2022 · 1,806 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 1,806 | 9.8″ | Catchable |
Frequently asked questions
When was Trout Lake (T21) last stocked?
WDFW records show Trout Lake (T21) was last stocked on May 6, 2026 (about 5 months ago), with 1,620 rainbow trout.
What fish are stocked in Trout Lake (T21)?
Trout Lake (T21) has been stocked with rainbow trout in the years shown here (2022–2026).
When does Trout Lake (T21) usually get stocked?
Most fish have been stocked in April and May. Exact dates change from year to year, so check back or see WDFW's official stocking page.
Do I need a license to fish Trout Lake (T21)?
Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Trout Lake (T21).
Other stocked waters in King County
Jakes Lake
Lower Melakwa Lake
Upper Melakwa Lake
Lake Dorthy
Nine Hour Lake
Mary Lake
All 167 stocked waters in King 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.