Patterson Lake trout stocking
Okanogan County, Washington · lake
Patterson Lake was last stocked 7 weeks ago (Sep 18, 2026). We have 35 stockings on record since Nov 2, 2016, 3 in the last 12 months (29,150 fish). Most stockings come in May and September to October. Species stocked: rainbow trout, kokanee, tiger trout, brown trout.
Last stocked
7 weeks ago
Sep 18, 2026
Next planned
Not announced
Last 12 months
3 stockings
29,150 fish
On record
35 stockings
since Nov 2, 2016
- Number 7 of 84 stocked waters in Okanogan County by stocking days.
- Stocked more often than 89% of Washington waters on our record.
When is Patterson Lake stocked?
Most stockings come in May and September to October. Stocked 3 times in 2026, mostly in September, about every 106 days.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 2 | ||||||||||
| 2025 | 1 | 2 | ||||||||||
| 2024 | 1 | 1 | 1 | |||||||||
| 2023 | 1 | 1 | 2 | |||||||||
| 2022 | 1 | 2 | ||||||||||
| 2021 | 1 | 2 | 1 | |||||||||
| 2020 | 1 | 2 | ||||||||||
| 2019 | 1 | 1 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking |
|---|---|---|---|
| Rainbow trout | 14 | 33,407 | 2,386 |
| Kokanee | 10 | 164,620 | 16,462 |
| Tiger trout | 8 | 32,889 | 4,111 |
| Brown trout | 3 | 7,150 | 2,383 |
Stocking history
20263 stockings · 29,150 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Sep 18Latest Friday · 7 weeks ago | Rainbow trout | 2,000 800 lb | 2 days | Chelan Hatchery |
Sep 16 Wednesday · 8 weeks ago | Brown trout | 2,150 860 lb | 106 days | Chelan Hatchery |
Jun 2 Tuesday | Kokanee | 25,000 85 lb | 249 days | Omak Hatchery |
20253 stockings · 30,073 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Sep 26 Friday | Rainbow trout | 2,500 893 lb | 17 days | Chelan Hatchery |
Sep 9 Tuesday | Brown trout | 2,500 962 lb | 16 weeks | Chelan Hatchery |
May 20 Tuesday | Kokanee | 25,073 119 lb | 244 days | Omak Hatchery |
20243 stockings · 30,000 fish
| Date | Species | Fish | Since previous | Hatchery |
|---|---|---|---|---|
Sep 18 Wednesday | Brown trout | 2,500 500 lb | 19 days | Chelan Hatchery |
Aug 30 Friday | Rainbow trout | 2,500 1,000 lb | 93 days | Chelan Hatchery |
May 29 Wednesday | Kokanee | 25,000 88 lb | 257 days | Omak Hatchery |
20234 stockings · 25,000 fish
- Sep 15 rainbow trout, 2,500 fish
- Sep 14 tiger trout, 2,500 fish
- Jun 20 tiger trout, 5,000 fish
- May 30 kokanee, 15,000 fish
20223 stockings · 18,974 fish
- Oct 7 rainbow trout, 2,500 fish
- Oct 6 tiger trout, 2,500 fish
- May 17 kokanee, 13,974 fish
20214 stockings · 16,991 fish
- Nov 3 rainbow trout, 1,600 fish
- Oct 18 tiger trout, 2,500 fish
- Oct 14 rainbow trout, 891 fish
- May 18 kokanee, 12,000 fish
20203 stockings · 18,460 fish
- Oct 26 rainbow trout, 3,900 fish
- Oct 2 tiger trout, 1,400 fish
- May 7 kokanee, 13,160 fish
20193 stockings · 18,027 fish
- Nov 1 rainbow trout, 1,000 fish
- Oct 29 rainbow trout, 2,016 fish
- May 8 kokanee, 15,011 fish
20183 stockings · 20,055 fish
- Nov 9 rainbow trout, 2,000 fish
- Jun 11 tiger trout, 7,739 fish
- May 2 kokanee, 10,316 fish
20175 stockings · 29,336 fish
- Oct 24 rainbow trout, 1,000 fish
- Jul 5 tiger trout, 2,600 fish
- Jun 20 tiger trout, 8,650 fish
- Jun 5 rainbow trout, 7,000 fish
- May 9 kokanee, 10,086 fish
20161 stocking · 2,000 fish
- Nov 2 rainbow trout, 2,000 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 Okanogan County
- Bonaparte Lakelakestocked Sep 22, 2026
- Molson Lakelakestocked Sep 18, 2026
- Sidley Lakelakestocked Sep 18, 2026
- Aeneas Lakelakestocked Sep 17, 2026
- Blue Lakelakestocked Sep 17, 2026
- Leader Lakelakestocked Sep 16, 2026
- Rat Lakelakestocked Sep 15, 2026
- Lyman Lakelakestocked Aug 19, 2026
All stocked waters in Okanogan CountyStocked this week in Washington
Questions about Patterson Lake
- When was Patterson Lake last stocked?
- The latest reported stocking was Sep 18, 2026 (rainbow trout, 2,000 fish), according to Washington agency reports.
- How often is Patterson Lake stocked?
- Stocked 3 times in 2026, mostly in September, about every 106 days. Across all years on record, most stockings come in May and September to October.
- Is Patterson Lake stocked often?
- Number 7 of 84 stocked waters in Okanogan County by stocking days. Stocked more often than 89% of Washington waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Patterson Lake?
- Rainbow trout (14 stockings, 33,407 fish); Kokanee (10 stockings, 164,620 fish); Tiger trout (8 stockings, 32,889 fish); Brown trout (3 stockings, 7,150 fish).