Potholes Reservoir fish stocking
Grant County, Washington
Potholes Reservoir in Grant County, Washington was last stocked on June 9, 2026 with 3,050 channel catfish from Columbia Basin Hatchery. Across the 5 years shown here, WDFW released 553,894 fish in 19 separate stockings. Stockings here are most common in March, May, and October.
When Potholes Reservoir gets fish
Stocking history
Washington reports the exact release date. Sizes for Washington are estimated from the reported fish-per-pound.
2026 · 75,250 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Channel Catfish | 3,050 | 9″ | Catchable | |
| Rainbow Trout | 250 | 9.3″ | Catchable | |
| Channel Catfish | 950 | 10.6″ | Catchable | |
| Rainbow Trout | 71,000 | 2.6″ | Fry |
2025 · 86,706 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 14,706 | 6.7″ | Catchable | |
| Rainbow Trout | 250 | 9.3″ | Catchable | |
| Channel Catfish | 1,950 | 8.3″ | Catchable | |
| Rainbow Trout | 69,800 | 2.8″ | Fry |
2024 · 101,222 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 69,947 | 2.7″ | Fry | |
| Rainbow Trout | 31,275 | 2.8″ | Fry |
2023 · 110,941 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 5,059 | 6.2″ | Catchable | |
| Rainbow Trout | 1,932 | 5.4″ | Fry | |
| Rainbow Trout | 37,231 | 3.1″ | Fry | |
| Rainbow Trout | 33,703 | 2.8″ | Fry | |
| Rainbow Trout | 33,016 | 2.5″ | Fry |
2022 · 179,775 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Rainbow Trout | 35,652 | 4.7″ | Fry | |
| Rainbow Trout | 33,784 | 4.6″ | Fry | |
| Rainbow Trout | 52,839 | 2.9″ | Fry | |
| Rainbow Trout | 57,500 | 2.7″ | Fry |
Frequently asked questions
When was Potholes Reservoir last stocked?
WDFW records show Potholes Reservoir was last stocked on June 9, 2026 (about 4 months ago), with 3,050 channel catfish.
What fish are stocked in Potholes Reservoir?
Potholes Reservoir has been stocked with channel catfish and rainbow trout in the years shown here (2022–2026).
When does Potholes Reservoir usually get stocked?
Most fish have been stocked in March, May, and October. Exact dates change from year to year, so check back or see WDFW's official stocking page.
Do I need a license to fish Potholes Reservoir?
Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Potholes Reservoir.
Other stocked waters in Grant County
Banks Lake
Hatchery Creek
Moses Lake
Billy Clapp Lake
Blue Lake
Deep Lake
All 76 stocked waters in Grant 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.