Portage Lake Fish Stocking
Kittitas County, Washington · 1996–2025 on record
According to Washington fish & wildlife agency, Portage Lake was last stocked July 25, 2025 with Cutthroat Trout. Portage Lake has 10 stocking records on file, spanning 1996–2025, with about 1,116 fish stocked over that period.
When Portage Lake is stocked
By species
Angler's Field Guide
Fishing Tips & Stocking Guide for Portage Lake
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Kittitas County, Washington.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Portage 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 Portage Lake was last stocked July 25, 2025, 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 Portage 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.
Cutthroat Trout Profile Tips
Known for being relatively easy to catch on dry flies, making it a favorite of western fly anglers; many subspecies are managed under catch-and-release rules to protect native populations.
Recommended Tackle for Portage 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.
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 Portage Lake, freshest activity first.
Green Lake
2 miKing County · 5 species · 244 records
Last stocked June 2026
Lake Washington
4 miKing County · 4 species · 203 records
Last stocked May 2026
Juanita Creek
6 miKing County · 1 species · 43 records
Last stocked May 2026
Haller Lake
5 miKing County · 1 species · 30 records
Last stocked April 2026
Bitter Lake
6 miKing County · 2 species · 37 records
Last stocked April 2026
Boeing Creek
8 miKing County · 1 species · 39 records
Last stocked January 2026
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Source |
|---|---|---|---|
| July 25, 2025 | Cutthroat Trout | 140 | Washington fish & wildlife agency |
| July 8, 2021 | Cutthroat Trout | 140 | Washington fish & wildlife agency |
| October 3, 2017 | Cutthroat Trout | 70 | Washington fish & wildlife agency |
| July 26, 2017 | Cutthroat Trout | 70 | Washington fish & wildlife agency |
| September 16, 2013 | Cutthroat Trout | 73 | Washington fish & wildlife agency |
| September 15, 2013 | Cutthroat Trout | 70 | Washington fish & wildlife agency |
| October 4, 2009 | Cutthroat Trout | 140 | Washington fish & wildlife agency |
| May 6, 2005 | Cutthroat Trout | 140 | Washington fish & wildlife agency |
Show 2 more stocking records →
| Date | Species | Number | Source |
|---|---|---|---|
| September 29, 2001 | Cutthroat Trout | 133 | Washington fish & wildlife agency |
| September 22, 1996 | Cutthroat Trout | 140 | Washington fish & wildlife agency |
The reporting agency did not include fish sizes for this water.
Frequently asked
When was Portage Lake last stocked?
According to Washington fish & wildlife agency, Portage Lake was last stocked July 25, 2025 with Cutthroat Trout.
What fish species are stocked in Portage Lake?
Portage Lake is stocked with Cutthroat Trout.
How often is Portage Lake stocked?
Portage Lake is stocked intermittently — 10 recorded stockings between 1996 and 2025.
How many fish have been stocked in Portage Lake?
About 1,116 fish have been stocked in Portage Lake across 10 recorded events since 1996, per Washington fish & wildlife agency.
Do you need a fishing license to fish Portage 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 Portage Lake?
Freshly stocked trout in Portage 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.