Mattoon Lake Fish Stocking
Kittitas County, Washington · 1995–2026 on record
According to Washington fish & wildlife agency, Mattoon Lake was last stocked May 11, 2026 with Rainbow Trout. Mattoon Lake has 278 stocking records on file, spanning 1995–2026, with about 435,915 fish stocked over that period.
When Mattoon Lake is stocked
Mattoon Lake is typically stocked in spring, most often in March — 64 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Mattoon Lake, freshest activity first.
Big Soos Creek
King County · 3 species · 804 records
Last stocked July 2026
Mineral Lake
Lewis County · 3 species · 525 records
Last stocked July 2026
Minter Creek
Kitsap County · 4 species · 651 records
Last stocked July 2026
Fork Creek
Pacific County · 4 species · 561 records
Last stocked June 2026
Lewis River North Fork
Cowlitz County · 4 species · 1360 records
Last stocked June 2026
Klineline Pond
Clark County · 4 species · 561 records
Last stocked June 2026
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Source |
|---|---|---|---|
| May 11, 2026 | Rainbow Trout | 3,240 | Washington fish & wildlife agency |
| March 25, 2026 | Rainbow Trout | 3,080 | Washington fish & wildlife agency |
| March 16, 2026 | Rainbow Trout | 1,610 | Washington fish & wildlife agency |
| February 24, 2026 | Rainbow Trout | 3,105 | Washington fish & wildlife agency |
| February 24, 2026 | Rainbow Trout | 320 | Washington fish & wildlife agency |
| October 31, 2025 | Rainbow Trout | 102 | Washington fish & wildlife agency |
| October 31, 2025 | Rainbow Trout | 48 | Washington fish & wildlife agency |
| May 13, 2025 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Source |
|---|---|---|---|
| April 1, 2025 | Rainbow Trout | 3,013 | Washington fish & wildlife agency |
| March 18, 2025 | Rainbow Trout | 1,840 | Washington fish & wildlife agency |
| March 3, 2025 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| March 3, 2025 | Rainbow Trout | 2,990 | Washington fish & wildlife agency |
| November 18, 2024 | Rainbow Trout | 100 | Washington fish & wildlife agency |
| November 18, 2024 | Rainbow Trout | 50 | Washington fish & wildlife agency |
| May 14, 2024 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| March 18, 2024 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| March 5, 2024 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| March 4, 2024 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| October 27, 2023 | Rainbow Trout | 117 | Washington fish & wildlife agency |
| October 27, 2023 | Rainbow Trout | 33 | Washington fish & wildlife agency |
| May 16, 2023 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| April 5, 2023 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| March 8, 2023 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| March 7, 2023 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| December 1, 2022 | Rainbow Trout | 55 | Washington fish & wildlife agency |
| December 1, 2022 | Rainbow Trout | 100 | Washington fish & wildlife agency |
| May 17, 2022 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| March 21, 2022 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| March 9, 2022 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| March 7, 2022 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| December 8, 2021 | Rainbow Trout | 100 | Washington fish & wildlife agency |
| December 8, 2021 | Rainbow Trout | 50 | Washington fish & wildlife agency |
| May 17, 2021 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| March 29, 2021 | Rainbow Trout | 3,036 | Washington fish & wildlife agency |
| March 10, 2021 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| March 9, 2021 | Rainbow Trout | 2,400 | Washington fish & wildlife agency |
| December 2, 2020 | Rainbow Trout | 50 | Washington fish & wildlife agency |
| December 2, 2020 | Rainbow Trout | 125 | Washington fish & wildlife agency |
| May 18, 2020 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| March 31, 2020 | Rainbow Trout | 3,025 | Washington fish & wildlife agency |
| February 26, 2020 | Rainbow Trout | 2,437 | Washington fish & wildlife agency |
| February 26, 2020 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| November 13, 2019 | Rainbow Trout | 114 | Washington fish & wildlife agency |
| November 13, 2019 | Rainbow Trout | 61 | Washington fish & wildlife agency |
| May 13, 2019 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| March 25, 2019 | Rainbow Trout | 3,000 | Washington fish & wildlife agency |
| March 5, 2019 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| March 5, 2019 | Rainbow Trout | 2,400 | Washington fish & wildlife agency |
| November 7, 2018 | Rainbow Trout | 114 | Washington fish & wildlife agency |
| November 7, 2018 | Rainbow Trout | 61 | Washington fish & wildlife agency |
The reporting agency did not include fish sizes for this water.
Showing 50 of 278 stocking records.
Frequently asked
When was Mattoon Lake last stocked?
According to Washington fish & wildlife agency, Mattoon Lake was last stocked May 11, 2026 with Rainbow Trout.
What fish species are stocked in Mattoon Lake?
Mattoon Lake is stocked with Rainbow Trout and Brown Trout.
What time of year is Mattoon Lake stocked?
Mattoon Lake is typically stocked in spring, most often in March.
How often is Mattoon Lake stocked?
Mattoon Lake has been stocked about 9 times a year — 278 recorded stockings between 1995 and 2026.
How many fish have been stocked in Mattoon Lake?
About 435,915 fish have been stocked in Mattoon Lake across 278 recorded events since 1995, per Washington fish & wildlife agency.