Stocking Report
Rainbow Trout stocking in Washington
19,676 recorded stockings, 489 waters, from Washington state agency records. Every water links to its own page.
Latest recorded stocking: Jul 9, 2026
When rainbow trout goes in
70% of recorded stockings happen from March through May.
- 3%Jan
- 3%Feb
- 15%Mar
- 35%Apr
- 19%May
- 7%Jun
- 3%Jul
- 2%Aug
- 3%Sep
- 5%Oct
- 2%Nov
- 2%Dec
Share of all recorded rainbow trout stockings in Washington, by calendar month. Stocking does not guarantee fish are present. Check current regulations and access before you go.
States run two very different stocking calendars. We looked at all 114,409 records to work out why.
Where rainbow trout gets stocked in Washington
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Cooks Lake | Pend Oreille | 52 | 33,574 | Apr 1, 2026 |
| Langlois Lake | King | 51 | 185,146 | Apr 10, 2026 |
| Lake Sawyer | King | 50 | 234,329 | May 8, 2026 |
| Lake Limerick | Mason | 50 | 207,420 | Apr 20, 2026 |
| Wapato Lake | Pierce | 49 | 280,825 | May 19, 2026 |
| Lake Terrell | Whatcom | 49 | 76,035 | Mar 26, 2026 |
| Lake Armstrong | Snohomish | 48 | 120,762 | Apr 22, 2026 |
| North Lake | King | 48 | 248,164 | Apr 14, 2026 |
| Steilacoom Lake | Pierce | 48 | 163,587 | Apr 2, 2026 |
| Tilton River | Lewis | 48 | 100,937 | Aug 29, 2006 |
| Lake Desire | King | 47 | 249,370 | Mar 31, 2026 |
| Lake Morton | King | 46 | 211,285 | Apr 1, 2026 |
| Loomis Lake | Pacific | 45 | 55,941 | May 15, 2026 |
| Windmill Lake | Grant | 45 | 370,963 | Apr 27, 2026 |
| Canal Lake | Grant | 44 | 743,112 | Apr 27, 2026 |
| Cain Lake | Whatcom | 43 | 211,758 | Apr 21, 2026 |
| Lake Howard | Snohomish | 43 | 90,641 | Apr 21, 2026 |
| Lake Margaret | King | 43 | 135,121 | Apr 9, 2026 |
| Lake Goss | Island | 41 | 131,618 | Apr 15, 2026 |
| Pass Lake | Skagit | 41 | 236,311 | Jun 23, 2025 |
| Sixteen Lake | Skagit | 40 | 175,086 | Apr 23, 2026 |
| Lone Lake | Island | 40 | 110,113 | Apr 8, 2026 |
| Stump Lake | Mason | 40 | 30,668 | May 16, 2013 |
| Lake Geneva | King | 39 | 146,278 | Apr 15, 2026 |
See everything Washington stocks in the full Washington stocking report, or browse every mapped water in the Washington fishing spot finder.
