Diamond Lake Fish Stocking
Pend Oreille County, Washington · 1995–2026 on record
According to Washington fish & wildlife agency, Diamond Lake was last stocked May 12, 2026 with Rainbow Trout. Diamond Lake has 232 stocking records on file, spanning 1995–2026, with about 2,532,635 fish stocked over that period.
When Diamond Lake is stocked
Diamond Lake is typically stocked in spring, most often in April — 115 stocking events in that peak month.
By species
Angler's Field Guide
Fishing Tips & Stocking Guide for Diamond Lake
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Pend Oreille County, Washington.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Diamond 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 Diamond Lake was last stocked May 12, 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 Diamond 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.
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.
Brown Trout Profile Tips
Known for being wary and selective, brown trout are a prized target for fly anglers, especially larger, nocturnal-feeding fish.
Recommended Tackle for Diamond 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 Diamond Lake, freshest activity first.
Sacheen Lake
6 miPend Oreille County · 3 species · 188 records
Last stocked May 2026
Marshall Lake
11 miPend Oreille County · 2 species · 73 records
Last stocked May 2026
Davis Lake
8 miPend Oreille County · 3 species · 96 records
Last stocked May 2026
Mccabe Pond
11 miKittitas County · 2 species · 155 records
Last stocked May 2026
Homestead Lake
4 miGrant County · 3 species · 85 records
Last stocked April 2026
Cooks Lake
15 miPend Oreille County · 1 species · 59 records
Last stocked April 2026
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Source |
|---|---|---|---|
| May 12, 2026 | Rainbow Trout | 40,000 | Washington fish & wildlife agency |
| April 22, 2026 | Rainbow Trout | 2,314 | Washington fish & wildlife agency |
| April 22, 2026 | Rainbow Trout | 12,676 | Washington fish & wildlife agency |
| April 21, 2026 | Rainbow Trout | 14,023 | Washington fish & wildlife agency |
| April 17, 2026 | Rainbow Trout | 15,000 | Washington fish & wildlife agency |
| April 17, 2026 | Brown Trout | 5,890 | Washington fish & wildlife agency |
| April 17, 2026 | Brown Trout | 5,605 | Washington fish & wildlife agency |
| April 17, 2026 | Rainbow Trout | 184 | Washington fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Source |
|---|---|---|---|
| May 27, 2025 | Rainbow Trout | 40,000 | Washington fish & wildlife agency |
| April 9, 2025 | Rainbow Trout | 4,146 | Washington fish & wildlife agency |
| April 5, 2025 | Rainbow Trout | 50 | Washington fish & wildlife agency |
| March 27, 2025 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| March 27, 2025 | Brown Trout | 8,910 | Washington fish & wildlife agency |
| March 27, 2025 | Brown Trout | 2,093 | Washington fish & wildlife agency |
| March 25, 2025 | Rainbow Trout | 8,140 | Washington fish & wildlife agency |
| March 24, 2025 | Rainbow Trout | 6,503 | Washington fish & wildlife agency |
| March 24, 2025 | Rainbow Trout | 5,661 | Washington fish & wildlife agency |
| May 16, 2024 | Rainbow Trout | 30,000 | Washington fish & wildlife agency |
| April 9, 2024 | Rainbow Trout | 15,175 | Washington fish & wildlife agency |
| April 3, 2024 | Brown Trout | 2,277 | Washington fish & wildlife agency |
| April 3, 2024 | Brown Trout | 7,304 | Washington fish & wildlife agency |
| March 25, 2024 | Rainbow Trout | 8,900 | Washington fish & wildlife agency |
| March 25, 2024 | Rainbow Trout | 10,780 | Washington fish & wildlife agency |
| March 19, 2024 | Rainbow Trout | 250 | Washington fish & wildlife agency |
| September 29, 2023 | Rainbow Trout | 1,804 | Washington fish & wildlife agency |
| June 6, 2023 | Rainbow Trout | 30,018 | Washington fish & wildlife agency |
| April 12, 2023 | Rainbow Trout | 17,041 | Washington fish & wildlife agency |
| April 12, 2023 | Rainbow Trout | 3,452 | Washington fish & wildlife agency |
| April 11, 2023 | Rainbow Trout | 250 | Washington fish & wildlife agency |
| April 11, 2023 | Brown Trout | 12,933 | Washington fish & wildlife agency |
| April 5, 2023 | Rainbow Trout | 15,150 | Washington fish & wildlife agency |
| March 29, 2023 | Rainbow Trout | 14,940 | Washington fish & wildlife agency |
| June 13, 2022 | Rainbow Trout | 30,000 | Washington fish & wildlife agency |
| April 13, 2022 | Rainbow Trout | 15,000 | Washington fish & wildlife agency |
| April 6, 2022 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| April 5, 2022 | Rainbow Trout | 3,564 | Washington fish & wildlife agency |
| April 4, 2022 | Rainbow Trout | 19,456 | Washington fish & wildlife agency |
| April 4, 2022 | Rainbow Trout | 1,980 | Washington fish & wildlife agency |
| March 29, 2022 | Brown Trout | 11,002 | Washington fish & wildlife agency |
| May 18, 2021 | Rainbow Trout | 25,000 | Washington fish & wildlife agency |
| April 10, 2021 | Rainbow Trout | 15,000 | Washington fish & wildlife agency |
| March 30, 2021 | Rainbow Trout | 24,000 | Washington fish & wildlife agency |
| March 24, 2021 | Brown Trout | 13,364 | Washington fish & wildlife agency |
| March 24, 2021 | Rainbow Trout | 350 | Washington fish & wildlife agency |
| May 25, 2020 | Rainbow Trout | 30,000 | Washington fish & wildlife agency |
| April 18, 2020 | Rainbow Trout | 15,000 | Washington fish & wildlife agency |
| April 17, 2020 | Rainbow Trout | 300 | Washington fish & wildlife agency |
| April 9, 2020 | Brown Trout | 24,963 | Washington fish & wildlife agency |
| June 10, 2019 | Rainbow Trout | 30,000 | Washington fish & wildlife agency |
| April 26, 2019 | Rainbow Trout | 200 | Washington fish & wildlife agency |
The reporting agency did not include fish sizes for this water.
Showing 50 of 232 stocking records.
Frequently asked
When was Diamond Lake last stocked?
According to Washington fish & wildlife agency, Diamond Lake was last stocked May 12, 2026 with Rainbow Trout.
What fish species are stocked in Diamond Lake?
Diamond Lake is stocked with Rainbow Trout, Brown Trout, Brook Trout, and Cutthroat Trout.
What time of year is Diamond Lake stocked?
Diamond Lake is typically stocked in spring, most often in April.
How often is Diamond Lake stocked?
Diamond Lake has been stocked about 7 times a year — 232 recorded stockings between 1995 and 2026.
How many fish have been stocked in Diamond Lake?
About 2,532,635 fish have been stocked in Diamond Lake across 232 recorded events since 1995, per Washington fish & wildlife agency.
Do you need a fishing license to fish Diamond 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 Diamond Lake?
Freshly stocked trout in Diamond 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.