Washington stocking report
Mason Lake
The short answer
Mason Lake was last stocked on August 9, 2026: 820 Rainbow Trout (Fry, 473 fish/lb).
Location map
Mason Lake location context
Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Looking for a different Mason Lake? Also on record: Mason Lake (Mason County, Washington) · Mason Lake (West Virginia)
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery | Notes |
|---|---|---|---|---|---|
| August 9, 2026 | Rainbow Trout | 820 | Fry, 473 fish/lb | TOKUL CR HATCHERY | |
| September 7, 2023 | Rainbow Trout | 820 | Fry, 280 fish/lb | TOKUL CR HATCHERY | |
| August 15, 2020 | Rainbow Trout | 820 | Fry, 332 fish/lb | TOKUL CR HATCHERY | |
| June 29, 2017 | Rainbow Trout | 800 | Fry, 866 fish/lb | TOKUL CR HATCHERY | |
| August 5, 2014 | Rainbow Trout | 408 | Fry, 548 fish/lb | TOKUL CR HATCHERY | |
| October 18, 2010 | Rainbow Trout | 425 | Fry, 165 fish/lb | TOKUL CR HATCHERY | |
| July 22, 2010 | Rainbow Trout | 390 | Fry, 312 fish/lb | TOKUL CR HATCHERY | |
| March 6, 2007 | Rainbow Trout | 390 | Fry, 563 fish/lb | TOKUL CR HATCHERY | released 2007-03-06 to 2007-03-08 |
| March 5, 2007 | Rainbow Trout | 390 | Fry, 563 fish/lb | TOKUL CR HATCHERY | |
| August 17, 2004 | Rainbow Trout | 780 | Fry, 628 fish/lb | TOKUL CR HATCHERY | |
| September 18, 2003 | Rainbow Trout | 1,750 | Fry, 368 fish/lb | ARLINGTON HATCHERY | |
| September 19, 2001 | Rainbow Trout | 750 | Fry, 259 fish/lb | TOKUL CR HATCHERY | |
| August 18, 2000 | Rainbow Trout | 325 | Fry, 290 fish/lb | TOKUL CR HATCHERY | |
| September 11, 1995 | Rainbow Trout | 785 | Fry, 420 fish/lb | ARLINGTON HATCHERY |
Records shown exactly as published by Washington Department of Fish and Wildlife. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Data source: Washington Department of Fish and Wildlife. Last updated: .
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