Grass Lake trout stocking
Mason County, Washington · lake
Grass Lake was last stocked 6 months ago (May 12, 2026). We have 5 stockings on record since May 16, 2018, 1 in the last 12 months (1,500 fish). Most stockings come in May. Species stocked: cutthroat trout.
Last stocked
6 months ago
May 12, 2026
Next planned
Not announced
Last 12 months
1 stocking
1,500 fish
On record
5 stockings
since May 16, 2018
- Number 34 of 55 stocked waters in Mason County by stocking days.
- Stocked about as often as a typical Washington water on our record.
When is Grass Lake stocked?
Most stockings come in May.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | |||||||||||
| 2024 | 1 | |||||||||||
| 2022 | 1 | |||||||||||
| 2020 | 1 | |||||||||||
| 2018 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking |
|---|---|---|---|
| Cutthroat trout | 5 | 7,558 | 1,512 |
Stocking history
20261 stocking · 1,500 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
May 12Latest Tuesday | Cutthroat trout | 1,500 5 lb | 727 days | Eells Springs |
20241 stocking · 1,500 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
May 15 Wednesday | Cutthroat trout | 1,500 5 lb | 722 days | Eells Springs |
20221 stocking · 1,500 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
May 24 Tuesday | Cutthroat trout | 1,500 6 lb | 733 days | Eells Springs |
20201 stocking · 1,535 fish
- May 21 cutthroat trout, 1,535 fish
20181 stocking · 1,523 fish
- May 16 cutthroat trout, 1,523 fish
From Washington fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Washington fishing regulations.
Other stocked waters in Mason County
- Lost Lakelakestocked Oct 9, 2026
- Spencer Lakelakestocked Oct 9, 2026
- Benson Lakelakestocked Oct 7, 2026
- Cady Lakelakestocked Oct 7, 2026
- Devereaux Lakelakestocked Oct 7, 2026
- Aldrich Lakelakestocked Oct 6, 2026
- Clara Lakelakestocked Oct 6, 2026
- Howell Lakelakestocked Oct 6, 2026
All stocked waters in Mason CountyStocked this week in Washington
Questions about Grass Lake
- When was Grass Lake last stocked?
- The latest reported stocking was May 12, 2026 (cutthroat trout, 1,500 fish), according to Washington agency reports.
- How often is Grass Lake stocked?
- It was stocked once in the last 12 months. Across all years on record, most stockings come in May.
- Is Grass Lake stocked often?
- Number 34 of 55 stocked waters in Mason County by stocking days. Stocked about as often as a typical Washington water on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Grass Lake?
- Cutthroat trout (5 stockings, 7,558 fish).