Grass Lake fish stocking
Mason County, Washington
Grass Lake in Mason County, Washington was last stocked on May 12, 2026 with 1,500 cutthroat trout fry from Eells Springs. Across the 3 years shown here, WDFW released 4,500 fish in 3 separate stockings. Stockings here are most common in May.
When Grass Lake gets fish
Stocking history
Washington reports the exact release date.
2026 · 1,500 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 1,500 | — | Fry |
2024 · 1,500 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 1,500 | — | Fry |
2022 · 1,500 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 1,500 | — | Fry |
Frequently asked questions
When was Grass Lake last stocked?
WDFW records show Grass Lake was last stocked on May 12, 2026 (about 5 months ago), with 1,500 cutthroat trout fry.
What fish are stocked in Grass Lake?
Grass Lake has been stocked with cutthroat trout in the years shown here (2022–2026).
When does Grass Lake usually get stocked?
Most fish have been stocked in 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 Grass Lake?
Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Grass Lake.
Other stocked waters in Mason County
Benson Lake
Isabella Lake
Island Lake
Melbourne Lake
Osborne Lakes
Trails End Lake
All 50 stocked waters in Mason 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.