Grant County, WA
Potholes Reservoir
About this water
Potholes Reservoir is a reservoir in Grant County, Washington. State records show it stocked 76 times between 2000 and 2026. The most-stocked species are rainbow trout and channel catfish. 3,244,186 rainbow trout have gone in across 70 releases.
Stocking history
76 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Jun 9, 2026 | Channel Catfish · Arkansas | 3,050 | — | Columbia Basin Hatchery |
| May 28, 2026 | Channel Catfish · Arkansas | 950 | — | Columbia Basin Hatchery |
| Mar 3, 2026 | Rainbow · Goldendale | 71,000 | — | Columbia Basin Hatchery |
| Oct 22, 2025 | Rainbow · Mount Whitney | 14,706 | — | Columbia Basin Hatchery |
| Jun 6, 2025 | Rainbow · Mount Whitney | 250 | — | Columbia Basin Hatchery |
| Jun 3, 2025 | Channel Catfish · Arkansas | 1,950 | — | Columbia Basin Hatchery |
| Mar 10, 2025 | Rainbow · Goldendale | 69,800 | — | Columbia Basin Hatchery |
| Apr 18, 2024 | Rainbow · Spokane | 69,947 | — | Columbia Basin Hatchery |
| Mar 20, 2024 | Rainbow · Goldendale | 31,275 | — | Columbia Basin Hatchery |
| Oct 31, 2023 | Rainbow · Mount Whitney | 5,059 | — | Columbia Basin Hatchery |
| Jul 12, 2023 | Rainbow · Goldendale | 1,932 | — | Columbia Basin Hatchery |
| Jun 27, 2023 | Rainbow · Mount Whitney | 37,231 | — | Columbia Basin Hatchery |
Showing the 12 most recent of 76. Stocking records for Potholes Reservoir published by Washington Department of Fish and Wildlife. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Washington stocking report.


