Mud Lake (S21) fish stocking
Yakima County, Washington
Mud Lake (S21) in Yakima County, Washington was last stocked on April 13, 2026 with 300 rainbow trout fry from Naches Hatchery. Across the 4 years shown here, WDFW released 1,296 fish in 4 separate stockings. Stockings here are most common in April and June.
When Mud Lake (S21) gets fish
Stocking history
Washington reports the exact release date. Sizes for Washington are estimated from the reported fish-per-pound.
2026 · 300 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 300 | — | Fry |
2025 · 306 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 306 | 2.3″ | Fry |
2024 · 390 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 390 | — | Fry |
2023 · 300 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 300 | — | Fry |
Frequently asked questions
When was Mud Lake (S21) last stocked?
WDFW records show Mud Lake (S21) was last stocked on April 13, 2026 (about 6 months ago), with 300 rainbow trout fry.
What fish are stocked in Mud Lake (S21)?
Mud Lake (S21) has been stocked with rainbow trout in the years shown here (2023–2026).
When does Mud Lake (S21) usually get stocked?
Most fish have been stocked in April and June. Exact dates change from year to year, so check back or see WDFW's official stocking page.
Do I need a license to fish Mud Lake (S21)?
Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Mud Lake (S21).
Other stocked waters in Yakima County
Clear Lake
Naches Sportsmans Pond
Bumping Lake
Myron Lake
Tims Pond
Deer Lake
All 67 stocked waters in Yakima 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.