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 |
|---|---|---|---|---|
| Lost Lake | Kittitas | 10 | 88,475 | Jun 6, 2017 |
| Castle Lake | Cowlitz | 10 | 12,659 | Mar 31, 2009 |
| Church Lake | Whatcom | 9 | 2,700 | Oct 1, 2025 |
| Top Lake | King | 9 | 1,390 | Aug 3, 2025 |
| Grotto Lake | King | 9 | 960 | Oct 12, 2024 |
| Talapus Lake | King | 9 | 4,960 | Sep 27, 2020 |
| Palouse River | Franklin | 9 | 3,393 | Mar 28, 2020 |
| Mountain Lake | San Juan | 9 | 5,278 | Jun 9, 2014 |
| McMannaman Lake | Adams | 9 | 10,756 | Mar 18, 2009 |
| George Lake | Grant | 9 | 5,022 | Mar 18, 2008 |
| Island Lake | King | 8 | 9,658 | Sep 17, 2025 |
| Dow Lake | Snohomish | 8 | 1,440 | Jul 16, 2025 |
| Lake Susan Jane | Chelan | 8 | 830 | Jun 30, 2025 |
| Yahoo Lake | Jefferson | 8 | 11,564 | Aug 7, 2024 |
| Smith Lake | King | 8 | 710 | Sep 22, 2022 |
| Lake Laura | Kittitas | 8 | 2,250 | Sep 1, 2021 |
| Pinnacle Lake | Snohomish | 8 | 2,300 | Oct 13, 2019 |
| Carson Lake | Mason | 8 | 5,140 | May 11, 2011 |
| Cascade Lake | Grant | 8 | 1,406 | Mar 23, 2007 |
| Dot Lake | Grant | 7 | 1,126 | May 6, 2026 |
| Saddle Lake | Snohomish | 7 | 1,650 | Aug 18, 2025 |
| Lunker Lake | King | 7 | 1,220 | Jul 4, 2025 |
| Cleveland Lake | King | 7 | 479 | Sep 10, 2024 |
| Hanks Lake | Mason | 7 | 630 | Jul 20, 2024 |
See everything Washington stocks in the full Washington stocking report, or browse every mapped water in the Washington fishing spot finder.
