Patterson Lake Fish Stocking
Okanogan County, Washington · 1995–2026 on record
According to Washington fish & wildlife agency, Patterson Lake was last stocked June 2, 2026 with Kokanee. Patterson Lake has 143 stocking records on file, spanning 1995–2026, with about 724,316 fish stocked over that period.
When Patterson Lake is stocked
Patterson Lake is typically stocked in spring, most often in April — 48 stocking events in that peak month.
By species
Angler's Field Guide
Fishing Tips & Stocking Guide for Patterson Lake
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Okanogan County, Washington.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Patterson Lake, they typically congregate in schools near public access points, boat ramps, or inlets for the first 24 to 48 hours while adjusting to natural water conditions.
Since Patterson Lake was last stocked June 2, 2026, anglers visiting within 1 to 2 weeks of a reported event generally experience the highest activity before fish disperse into deeper cover.
State Regulations & Licensing
- •Fishing License: A valid Washington freshwater fishing license is required for anglers age 16 and older.Purchase Washington license online →
- •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Washington fish & wildlife agency.Official Washington regulations guidebook →
- •Ethical Conservation: Use barbless hooks and keep fish submerged in water during unhooking.Trout Thermal Advisory: When water temperatures rise above 68°F (20°C), released trout face severe mortality from thermal exhaustion. Target warmwater species or fish early in the morning when lakes and streams warm up.
Recommended Tackle & Presentations
Techniques tailored to the species stocked in Patterson Lake:
Stocked Trout Tactics
Use light 4–6 lb monofilament or fluorocarbon line. Float scented dough bait (PowerBait) 12–18" off bottom using a sliding slip-sinker rig with a size 14–16 treble hook. For active casting, throw 1/16 to 1/8 oz inline spinners (Panther Martin, Rooster Tail) or small spoons (Kastmaster) along drop-offs.
Kokanee & Salmon Tactics
Troll small dodgers followed by micro-hoochies or wedding ring spinners tipped with shoepeg corn. Use downriggers or lead-core line to reach cooler thermocline depths (typically 20–50 ft in summer).
Kokanee Profile Tips
Usually caught by trolling small lures or bait behind flashers at depth; a major fall spectacle when spawning runs turn red in tributary streams.
Rainbow Trout Profile Tips
The most commonly targeted stocked trout in the country, taken on bait, spinners, and flies alike; a common first fish for new anglers.
Recommended Tackle for Patterson Lake
Field-tested tackle and presentations matched to the species stocked here.
Berkley PowerBait Floating Trout Dough
Hatchery-raised trout are conditioned to pelleted scents; scented dough floated 12–18 inches off bottom consistently triggers strikes.
Panther Martin Classic Teardrop Inline Spinner
The heavy convex blade spins instantly upon retrieval, sending vibration through the water that triggers aggressive reaction bites along drop-offs.
Sliding Sinker & Treble Hook Rigging Kit
Sliding egg sinkers allow cautious trout to run with bait without feeling line drag, while size 14–16 treble hooks keep dough bait securely pinned.
Mack's Lure Classic Wedding Ring Spinner
A classic Western trolling lure designed to be tipped with shoepeg corn and run behind a dodger in deep thermoclines.
As an Amazon Associate, StockedWaters earns from qualifying purchases at no additional cost to you. Recommendations are chosen for hatchery-conditioned fish behavior and ethical rigging. We may receive a referral commission if you buy through these links. Read our editorial policy & standards.
Nearby stocked waters
Other stocked waters near Patterson Lake, freshest activity first.
Green Lake
12 miOkanogan County · 2 species · 56 records
Last stocked July 2026
Rat Lake
9 miOkanogan County · 3 species · 90 records
Last stocked July 2026
Buzzard Lake
13 miOkanogan County · 1 species · 53 records
Last stocked June 2026
Crawfish Lake
18 miOkanogan County · 3 species · 70 records
Last stocked May 2026
Leader Lake
9 miOkanogan County · 4 species · 113 records
Last stocked September 2025
Omak Creek
6 miOkanogan County · 2 species · 34 records
Last stocked April 2025
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Source |
|---|---|---|---|
| June 2, 2026 | Kokanee | 8,771 | Washington fish & wildlife agency |
| June 2, 2026 | Kokanee | 16,229 | Washington fish & wildlife agency |
| September 26, 2025 | Rainbow Trout | 2,500 | Washington fish & wildlife agency |
| September 9, 2025 | Brown Trout | 2,500 | Washington fish & wildlife agency |
| May 20, 2025 | Kokanee | 4,492 | Washington fish & wildlife agency |
| May 20, 2025 | Kokanee | 20,581 | Washington fish & wildlife agency |
| September 18, 2024 | Brown Trout | 2,500 | Washington fish & wildlife agency |
| August 30, 2024 | Rainbow Trout | 2,500 | Washington fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Source |
|---|---|---|---|
| May 29, 2024 | Kokanee | 25,000 | Washington fish & wildlife agency |
| September 15, 2023 | Rainbow Trout | 2,500 | Washington fish & wildlife agency |
| September 14, 2023 | Tiger Trout | 2,500 | Washington fish & wildlife agency |
| June 20, 2023 | Tiger Trout | 5,000 | Washington fish & wildlife agency |
| May 30, 2023 | Kokanee | 15,000 | Washington fish & wildlife agency |
| October 7, 2022 | Rainbow Trout | 2,500 | Washington fish & wildlife agency |
| October 6, 2022 | Tiger Trout | 2,500 | Washington fish & wildlife agency |
| May 17, 2022 | Kokanee | 13,974 | Washington fish & wildlife agency |
| November 3, 2021 | Rainbow Trout | 1,600 | Washington fish & wildlife agency |
| October 18, 2021 | Tiger Trout | 2,500 | Washington fish & wildlife agency |
| October 14, 2021 | Rainbow Trout | 891 | Washington fish & wildlife agency |
| May 18, 2021 | Kokanee | 12,000 | Washington fish & wildlife agency |
| October 26, 2020 | Rainbow Trout | 2,700 | Washington fish & wildlife agency |
| October 26, 2020 | Rainbow Trout | 1,200 | Washington fish & wildlife agency |
| October 2, 2020 | Tiger Trout | 1,400 | Washington fish & wildlife agency |
| May 7, 2020 | Kokanee | 13,160 | Washington fish & wildlife agency |
| November 1, 2019 | Rainbow Trout | 1,000 | Washington fish & wildlife agency |
| October 29, 2019 | Rainbow Trout | 2,016 | Washington fish & wildlife agency |
| May 8, 2019 | Kokanee | 15,011 | Washington fish & wildlife agency |
| November 9, 2018 | Rainbow Trout | 2,000 | Washington fish & wildlife agency |
| June 11, 2018 | Tiger Trout | 7,739 | Washington fish & wildlife agency |
| May 2, 2018 | Kokanee | 5,134 | Washington fish & wildlife agency |
| May 2, 2018 | Kokanee | 5,182 | Washington fish & wildlife agency |
| October 24, 2017 | Rainbow Trout | 1,000 | Washington fish & wildlife agency |
| July 5, 2017 | Tiger Trout | 2,600 | Washington fish & wildlife agency |
| June 20, 2017 | Tiger Trout | 8,650 | Washington fish & wildlife agency |
| June 5, 2017 | Rainbow Trout | 7,000 | Washington fish & wildlife agency |
| May 9, 2017 | Kokanee | 3,626 | Washington fish & wildlife agency |
| May 9, 2017 | Kokanee | 3,907 | Washington fish & wildlife agency |
| May 9, 2017 | Kokanee | 2,553 | Washington fish & wildlife agency |
| November 2, 2016 | Rainbow Trout | 2,000 | Washington fish & wildlife agency |
| April 27, 2016 | Brook Trout | 12,008 | Washington fish & wildlife agency |
| April 5, 2016 | Kokanee | 10,000 | Washington fish & wildlife agency |
| October 12, 2015 | Rainbow Trout | 2,000 | Washington fish & wildlife agency |
| July 9, 2015 | Tiger Trout | 1,781 | Washington fish & wildlife agency |
| July 9, 2015 | Brook Trout | 2,896 | Washington fish & wildlife agency |
| April 21, 2015 | Kokanee | 1,920 | Washington fish & wildlife agency |
| April 20, 2015 | Kokanee | 8,054 | Washington fish & wildlife agency |
| May 22, 2014 | Tiger Trout | 1,000 | Washington fish & wildlife agency |
| May 8, 2014 | Rainbow Trout | 400 | Washington fish & wildlife agency |
| April 28, 2014 | Kokanee | 14,241 | Washington fish & wildlife agency |
| October 2, 2013 | Rainbow Trout | 1,612 | Washington fish & wildlife agency |
The reporting agency did not include fish sizes for this water.
Showing 50 of 143 stocking records.
Frequently asked
When was Patterson Lake last stocked?
According to Washington fish & wildlife agency, Patterson Lake was last stocked June 2, 2026 with Kokanee.
What fish species are stocked in Patterson Lake?
Patterson Lake is stocked with Kokanee, Rainbow Trout, Brown Trout, Tiger Trout, Brook Trout, and Cutthroat Trout.
What time of year is Patterson Lake stocked?
Patterson Lake is typically stocked in spring, most often in April.
How often is Patterson Lake stocked?
Patterson Lake has been stocked about 4 times a year — 143 recorded stockings between 1995 and 2026.
How many fish have been stocked in Patterson Lake?
About 724,316 fish have been stocked in Patterson Lake across 143 recorded events since 1995, per Washington fish & wildlife agency.
Do you need a fishing license to fish Patterson Lake?
Yes, all anglers age 16 and older generally need a valid Washington freshwater fishing license. Always review current regulations from Washington fish & wildlife agency for site-specific rules, bag limits, or stamps.
How do you catch stocked trout in Patterson Lake?
Freshly stocked trout in Patterson Lake typically respond well to floating dough bait (such as PowerBait) floated 12–18 inches off bottom on light 4–6 lb leader, live nightcrawlers under a bobber, and small inline spinners or spoons retrieved along shorelines and drop-offs.