Stocking Report
Rainbow Trout stocking in Washington
27,628 recorded stockings, 734 waters, from Washington Department of Fish and Wildlife records. Every water links to its own page.
Latest recorded stocking: Sep 30, 2026
When rainbow trout goes in
67% of recorded stockings happen from March through May.
- 2%Jan
- 3%Feb
- 14%Mar
- 33%Apr
- 21%May
- 9%Jun
- 3%Jul
- 3%Aug
- 3%Sep
- 6%Oct
- 3%Nov
- 1%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 114,145 records to work out why.
Where rainbow trout gets stocked in Washington
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Pattison Lake | Thurston | 186 | 1,045,246 | Apr 24, 2026 |
| Conconully Reservoir | Okanogan | 184 | 1,292,109 | May 1, 2026 |
| Deer Lake | Stevens | 176 | 1,747,313 | May 27, 2026 |
| Curlew Lake | Ferry | 176 | 4,830,600 | Oct 10, 2025 |
| Duck Lake | Grays Harbor | 174 | 129,586 | May 20, 2026 |
| Horsethief Lake | Klickitat | 168 | 490,133 | May 13, 2026 |
| Nahwatzel Lake | Mason | 166 | 309,551 | Sep 28, 2026 |
| Longs Pond | Thurston | 163 | 147,728 | May 15, 2026 |
| Mason Lake | Mason | 161 | 3,211,968 | Aug 3, 2026 |
| Banks Lake | Grant | 159 | 7,315,960 | Sep 28, 2026 |
| Lost Lake | Mason | 158 | 337,136 | Sep 28, 2026 |
| Deer Lake | Columbia | 158 | 99,260 | May 15, 2026 |
| Clear Lake | Thurston | 157 | 955,622 | Apr 22, 2026 |
| Green Lake | King | 156 | 511,531 | Apr 24, 2026 |
| Beehive Reservoir | Chelan | 156 | 486,779 | Apr 8, 2026 |
| Liberty Lake | Spokane | 155 | 906,895 | May 18, 2026 |
| Williams Lake | Spokane | 155 | 2,150,435 | May 11, 2026 |
| Lake Chelan | Chelan | 152 | 652,046 | Sep 9, 2026 |
| Fishtrap Lake | Lincoln | 152 | 2,305,729 | May 7, 2026 |
| Offutt Lake | Thurston | 149 | 777,018 | May 15, 2026 |
| Pampa Pond | Whitman | 148 | 164,327 | May 1, 2026 |
| Spectacle Lake | Okanogan | 148 | 1,394,857 | Mar 17, 2026 |
| Ice House Lake | Skamania | 145 | 164,347 | Mar 30, 2026 |
| Tanwax Lake | Pierce | 144 | 712,885 | May 20, 2026 |
See everything Washington stocks in the full Washington stocking report, or browse every mapped water in the Washington fishing spot finder.
Source: Washington Department of Fish and Wildlife, from its fish plants dataset on data.wa.gov.
