Black Slough Pond Fish Stocking
Mason County, Washington · 1995–2025 on record
According to Washington fish & wildlife agency, Black Slough Pond was last stocked May 20, 2025 with Cutthroat Trout. Black Slough Pond has 18 stocking records on file, spanning 1995–2025, with about 30,414 fish stocked over that period.
When Black Slough Pond is stocked
Black Slough Pond is typically stocked in spring, most often in May — 13 stocking events in that peak month.
Angler's Field Guide
Fishing Tips & Stocking Guide for Black Slough Pond
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Mason County, Washington.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Black Slough Pond, 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 Black Slough Pond was last stocked May 20, 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 Black Slough Pond:
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.
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 Black Slough Pond
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.
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Nearby stocked waters
Other stocked waters near Black Slough Pond, freshest activity first.
Black Lake
0 miChelan County · 6 species · 113 records
Last stocked May 2026
Chukar Lake
3 miGrant County · 1 species · 31 records
Last stocked May 2026
Widgeon Lake
4 miGrant County · 1 species · 32 records
Last stocked May 2026
Blythe Lake
3 miGrant County · 1 species · 32 records
Last stocked April 2026
Corral Lake
4 miGrant County · 1 species · 44 records
Last stocked April 2026
Long Lake
4 miGrant County · 1 species · 36 records
Last stocked November 2025
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Source |
|---|---|---|---|
| May 20, 2025 | Cutthroat Trout | 3,100 | Washington fish & wildlife agency |
| May 19, 2021 | Cutthroat Trout | 3,300 | Washington fish & wildlife agency |
| May 23, 2019 | Cutthroat Trout | 3,438 | Washington fish & wildlife agency |
| May 18, 2017 | Cutthroat Trout | 3,500 | Washington fish & wildlife agency |
| May 19, 2015 | Cutthroat Trout | 2,250 | Washington fish & wildlife agency |
| May 5, 2015 | Cutthroat Trout | 400 | Washington fish & wildlife agency |
| May 16, 2013 | Cutthroat Trout | 3,125 | Washington fish & wildlife agency |
| May 16, 2013 | Cutthroat Trout | 494 | Washington fish & wildlife agency |
Show 10 more stocking records →
| Date | Species | Number | Source |
|---|---|---|---|
| May 18, 2011 | Cutthroat Trout | 453 | Washington fish & wildlife agency |
| May 19, 2009 | Cutthroat Trout | 2,515 | Washington fish & wildlife agency |
| May 23, 2007 | Cutthroat Trout | 1,065 | Washington fish & wildlife agency |
| June 28, 2005 | Cutthroat Trout | 1,160 | Washington fish & wildlife agency |
| May 16, 2003 | Cutthroat Trout | 992 | Washington fish & wildlife agency |
| April 9, 2003 | Rainbow Trout | 703 | Washington fish & wildlife agency |
| June 14, 2001 | Cutthroat Trout | 963 | Washington fish & wildlife agency |
| June 14, 1999 | Cutthroat Trout | 994 | Washington fish & wildlife agency |
| May 23, 1997 | Cutthroat Trout | 950 | Washington fish & wildlife agency |
| July 27, 1995 | Cutthroat Trout | 1,012 | Washington fish & wildlife agency |
The reporting agency did not include fish sizes for this water.
Frequently asked
When was Black Slough Pond last stocked?
According to Washington fish & wildlife agency, Black Slough Pond was last stocked May 20, 2025 with Cutthroat Trout.
What fish species are stocked in Black Slough Pond?
Black Slough Pond is stocked with Cutthroat Trout and Rainbow Trout.
What time of year is Black Slough Pond stocked?
Black Slough Pond is typically stocked in spring, most often in May.
How often is Black Slough Pond stocked?
Black Slough Pond is stocked intermittently — 18 recorded stockings between 1995 and 2025.
How many fish have been stocked in Black Slough Pond?
About 30,414 fish have been stocked in Black Slough Pond across 18 recorded events since 1995, per Washington fish & wildlife agency.
Do you need a fishing license to fish Black Slough Pond?
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 Black Slough Pond?
Freshly stocked trout in Black Slough Pond 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.