Mattoon Lake
WDFW logged 4 trout stocking dates at Mattoon Lake in 2026 so far, 11,355 fish in all. The latest was on May 11, 2026. WDFW lists it as “Mattoon Lk (Kitt)”.
WDFW data pulled . Latest record in the WDFW data for any water: Nov 4, 2026.
Mattoon Lake in numbers
- fish stocked in 2026, through Nov 6
- 11,355
- by the same date in 2025
- 11,293
- in all of 2025
- 11,293
Every stocking record
Every trout and kokanee release WDFW lists for this water in the last two years, newest first, then yearly totals since 2020. Counts include fry and fingerlings as well as catchable trout: WDFW calls catchable fish “legals”. Fish per pound is WDFW’s figure for each release; fewer fish per pound means bigger fish.
| Date | Species | Fish | Life stage | Fish per lb |
|---|---|---|---|---|
| May 11 | Rainbow trout3,240 fish · Legals | 3,240 | Legals | 2.4 |
| Mar 25 | Rainbow trout3,080 fish · Legals | 3,080 | Legals | 2.2 |
| Mar 16 | Rainbow trout1,610 fish · Legals | 1,610 | Legals | 2.3 |
| Feb 24 | Rainbow trout3,105 fish · Legals | 3,105 | Legals | 2.3 |
| Feb 24 | Rainbow trout320 fish · Legals | 320 | Legals | 0.8 |
| Date | Species | Fish | Life stage | Fish per lb |
|---|---|---|---|---|
| Oct 31 | Rainbow trout102 fish · Legals | 102 | Legals | 0.2 |
| Oct 31 | Rainbow trout48 fish · Legals | 48 | Legals | 0.1 |
| May 13 | Rainbow trout3,000 fish · Legals | 3,000 | Legals | 2.4 |
| Apr 1 | Rainbow trout3,013 fish · Legals | 3,013 | Legals | 2.3 |
| Mar 18 | Rainbow trout1,840 fish · Legals | 1,840 | Legals | 2.3 |
| Mar 3 | Rainbow trout2,990 fish · Legals | 2,990 | Legals | 2.3 |
| Mar 3 | Rainbow trout300 fish · Legals | 300 | Legals | 0.8 |
| Year | Stocking dates | Fish |
|---|---|---|
| 2026 | 4 | 11,355 |
| 2025 | 5 | 11,293 |
| 2024 | 5 | 9,450 |
| 2023 | 5 | 9,450 |
| 2022 | 5 | 9,455 |
| 2021 | 5 | 8,886 |
| 2020 | 4 | 8,937 |
Trout stocked each year
2026 is outlined because the year is not over. The tallest full year is yellow. Counts include fry and fingerlings.
What is stocked here
| Species | Fish | Share |
|---|---|---|
| Rainbow trout | 68,826 | 100% |
No single map point is given for this water in the USGS names database, so no map is shown.
Also in Kittitas County: Fio Rito Lk-N, Lavendar Lake, McCabe Pond, Kachess Lake, Kiwanas Pond, Naneum Pond, Easton Pond (3), Keechelus Lake.
Source: WDFW Fish Plants dataset, data.wa.gov, Washington Department of Fish and Wildlife. Pulled . Check the agency and the current fishing rules before you go.