Whitman County, WA
Rock Lake
LakeWhitman County, WA
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About this water
Rock Lake is a lake in Whitman County, Washington. State records show it stocked 387 times between 2000 and 2026. The most-stocked species are rainbow trout, brown trout and steelhead. 5,223,276 rainbow trout have gone in across 220 releases.
Stocking history
387 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 13, 2026 | Rainbow · Spokane | 52,250 | — | Ford Hatchery |
| May 13, 2026 | Rainbow · Spokane | 49,400 | — | Ford Hatchery |
| May 11, 2026 | Rainbow · Spokane | 60,592 | — | Spokane Hatchery |
| May 7, 2026 | Rainbow · Spokane | 64,581 | — | Spokane Hatchery |
| Mar 9, 2026 | Rainbow · Spokane | 10,126 | — | Ford Hatchery |
| Mar 5, 2026 | Rainbow · Spokane | 6,124 | — | Ford Hatchery |
| Mar 2, 2026 | Brown Trout · Ford | 15,000 | — | Spokane Hatchery |
| Oct 31, 2025 | Rainbow · Spokane | 7,500 | — | Lyons Ferry Hatchery |
| Oct 31, 2025 | Steelhead · Wallowa River | 11,250 | — | Lyons Ferry Hatchery |
| Oct 27, 2025 | Rainbow · Spokane | 21,560 | — | Spokane Hatchery |
| Oct 24, 2025 | Rainbow · Spokane | 7,650 | — | Lyons Ferry Hatchery |
| Oct 23, 2025 | Rainbow · Spokane | 12,160 | — | Lyons Ferry Hatchery |
Showing the 12 most recent of 387. Stocking records for Rock Lake 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.
