Aldrich Lake fish stocking
Mason County, Washington
Aldrich Lake in Mason County, Washington was last stocked on May 21, 2026 with 100 rainbow trout from Lakewood Hatchery. Across the 5 years shown here, WDFW released 16,511 fish in 25 separate stockings. Stockings here are most common in April, May, and September.
When Aldrich Lake gets fish
Stocking history
Washington reports the exact release date. Sizes for Washington are estimated from the reported fish-per-pound.
2026 · 2,520 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 100 | 11.9″ | Catchable | |
| Cutthroat Trout | 2,000 | — | Fry | |
| Rainbow Trout | 400 | 9.8″ | Catchable | |
| Rainbow Trout | 20 | 20.6″ | Catchable |
2025 · 3,290 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 500 | 4.2″ | Fingerling | |
| Rainbow Trout | 150 | 10.1″ | Catchable | |
| Cutthroat Trout | 2,000 | — | Fry | |
| Rainbow Trout | 620 | 10″ | Catchable | |
| Rainbow Trout | 20 | 22.7″ | Catchable |
2024 · 4,150 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 380 | 4.4″ | Fingerling | |
| Cutthroat Trout | 1,000 | — | Fry | |
| Rainbow Trout | 150 | 9.9″ | Catchable | |
| Cutthroat Trout | 2,000 | — | Fry | |
| Rainbow Trout | 600 | 9.5″ | Catchable | |
| Rainbow Trout | 20 | 20.6″ | Catchable |
2023 · 3,275 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 500 | 4.6″ | Yearling | |
| Cutthroat Trout | 2,000 | 2.3″ | Fry | |
| Rainbow Trout | 155 | 9.5″ | Catchable | |
| Rainbow Trout | 600 | 9.4″ | Catchable | |
| Rainbow Trout | 20 | 21.5″ | Catchable |
2022 · 3,276 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 500 | 4.6″ | Fingerling | |
| Cutthroat Trout | 2,000 | — | Fry | |
| Rainbow Trout | 150 | 9.4″ | Catchable | |
| Rainbow Trout | 606 | 9.8″ | Catchable | |
| Rainbow Trout | 20 | 21.5″ | Catchable |
Frequently asked questions
When was Aldrich Lake last stocked?
WDFW records show Aldrich Lake was last stocked on May 21, 2026 (about 5 months ago), with 100 rainbow trout.
What fish are stocked in Aldrich Lake?
Aldrich Lake has been stocked with cutthroat trout and rainbow trout in the years shown here (2022–2026).
When does Aldrich Lake usually get stocked?
Most fish have been stocked in April, May, 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 Aldrich Lake?
Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Aldrich 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.