Twelve Lake fish stocking
King County, Washington
Twelve Lake in King County, Washington was last stocked on April 1, 2026 with 4,500 rainbow trout from Puyallup Hatchery. Across the 5 years shown here, WDFW released 22,896 fish in 6 separate stockings. Stockings here are most common in March and April.
When Twelve Lake gets fish
Stocking history
Washington reports the exact release date. Sizes for Washington are estimated from the reported fish-per-pound.
2026 · 4,500 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 4,500 | 9.3″ | Catchable |
2025 · 5,400 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 5,400 | 10.4″ | Catchable |
2024 · 4,500 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 4,500 | 9″ | Catchable |
2023 · 4,500 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 4,500 | 9.2″ | Catchable |
2022 · 3,996 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 834 | 9.3″ | Catchable | |
| Rainbow Trout | 3,162 | 9.3″ | Catchable |
Frequently asked questions
When was Twelve Lake last stocked?
WDFW records show Twelve Lake was last stocked on April 1, 2026 (about 6 months ago), with 4,500 rainbow trout.
What fish are stocked in Twelve Lake?
Twelve Lake has been stocked with rainbow trout in the years shown here (2022–2026).
When does Twelve Lake usually get stocked?
Most fish have been stocked in March and April. Exact dates change from year to year, so check back or see WDFW's official stocking page.
Do I need a license to fish Twelve Lake?
Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Twelve Lake.
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.