Lopez Lake Fish Stocking
San Luis Obispo County, California · 2024–2026 on record
According to California CDFW — Fish Planting Schedule, Lopez Lake was last stocked Week of March 8, 2026 with Trout. Lopez Lake has 7 stocking records on file, spanning 2024–2026.
When Lopez Lake is stocked
By species
Angler's Field Guide
Fishing Tips & Stocking Guide for Lopez Lake
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in San Luis Obispo County, California.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Lopez 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 Lopez Lake was last stocked Week of March 8, 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 California freshwater fishing license is required for anglers age 16 and older.Purchase California license online →
- •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by California fish & wildlife agency.Official California 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 Lopez 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.
Recommended Tackle for Lopez 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.
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Nearby stocked waters
Other stocked waters near Lopez Lake, freshest activity first.
Reyes Creek
75 miVentura County · 1 species · 21 records
Last stocked August 2026
Nacimiento River, Upper
77 miMonterey County · 1 species · 6 records
Last stocked June 2026
Kern River, Section 1
100 miKern County · 1 species · 8 records
Last stocked April 2026
Kern River, Section 2
106 miKern County · 1 species · 8 records
Last stocked April 2026
Barney Schwartz Park Lake
32 miSan Luis Obispo County · 1 species · 11 records
Last stocked April 2026
Mooney Grove Park Pond
99 miTulare County · 1 species · 21 records
Last stocked April 2026
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Source |
|---|---|---|
| Week of March 8, 2026 | Trout | California CDFW |
| Week of February 8, 2026 | Trout | California CDFW |
| Week of January 4, 2026 | Trout | California CDFW |
| Week of February 23, 2025 | Trout | California CDFW |
| Week of February 16, 2025 | Trout | California CDFW |
| Week of January 5, 2025 | Trout | California CDFW |
| Week of December 15, 2024 | Trout | California CDFW |
The reporting agency did not include fish counts or sizes for this water.
Frequently asked
When was Lopez Lake last stocked?
According to California CDFW — Fish Planting Schedule, Lopez Lake was last stocked Week of March 8, 2026 with Trout.
What fish species are stocked in Lopez Lake?
Lopez Lake is stocked with Trout.
How often is Lopez Lake stocked?
Lopez Lake has been stocked about 2 times a year — 7 recorded stockings between 2024 and 2026.
Do you need a fishing license to fish Lopez Lake?
Yes, all anglers age 16 and older generally need a valid California freshwater fishing license. Always review current regulations from California fish & wildlife agency for site-specific rules, bag limits, or stamps.
How do you catch stocked trout in Lopez Lake?
Freshly stocked trout in Lopez 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.
What are sterile triploid trout, and why are they stocked in Lopez Lake?
Triploid trout are sterile hatchery fish bred with three sets of chromosomes instead of two. Because they do not expend energy developing eggs or milt, they grow significantly faster, live longer to reach trophy sizes, and can be stocked without risking the genetic integrity of native wild trout populations.
Why do fish stocking dates or plant schedules change for Lopez Lake?
Stocking schedules published by California CDFW — Fish Planting Schedule are planned targets, not exact guarantees. Plants are frequently delayed or rescheduled due to elevated water temperatures (trout experience mortality stress above 68°F), seasonal runoff, severe weather, poor road access, or hatchery trucking logistics.