Rock Lake Fish Stocking
SUMMIT County, Utah · 1983–2025 on record
According to Utah DWR — Fish Stocking Report, Rock Lake was last stocked July 2, 2025 with Tiger Trout. Rock Lake has 25 stocking records on file, spanning 1983–2025, with about 18,007 fish stocked over that period.
When Rock Lake is stocked
Rock Lake is typically stocked in summer, most often in July — 17 stocking events in that peak month.
By species
Angler's Field Guide
Fishing Tips & Stocking Guide for Rock Lake
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in SUMMIT County, Utah.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Rock 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 Rock Lake was last stocked July 2, 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 Utah freshwater fishing license is required for anglers age 16 and older.Purchase Utah license online →
- •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Utah fish & wildlife agency.Official Utah 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 Rock 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.
Tiger Trout Profile Tips
Known for hitting lures and flies aggressively; a favorite for anglers seeking a distinctive, hard-fighting stocked trout.
Brook Trout Profile Tips
A favorite of high-country and small-stream anglers; often more willing to strike than brown or rainbow trout in the same water.
Recommended Tackle for Rock 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 Rock Lake, freshest activity first.
Washington Lake
1 miSUMMIT County · 6 species · 453 records
Last stocked July 2026
Haystack Lake
1 miSUMMIT County · 2 species · 35 records
Last stocked June 2025
Shadow Lake
0 miSUMMIT County · 1 species · 28 records
Last stocked June 2025
Lillian Lake
1 miSUMMIT County · 1 species · 28 records
Last stocked June 2025
Beth Lake
1 miSUMMIT County · 1 species · 26 records
Last stocked June 2025
Crystal Lake
1 miSUMMIT County · 1 species · 56 records
Last stocked June 2025
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 2, 2025 | Tiger Trout | 399 | 3.8" | Utah DWR |
| July 14, 2023 | Tiger Trout | 396 | 2.83" | Utah DWR |
| June 30, 2021 | Tiger Trout | 397 | 2.69" | Utah DWR |
| July 9, 2019 | Tiger Trout | 405 | 2.65" | Utah DWR |
| June 29, 2017 | Tiger Trout | 400 | 2.71" | Utah DWR |
| August 6, 2012 | Brook Trout | 795 | 2.68" | Utah DWR |
| July 1, 2010 | Brook Trout | 800 | 3" | Utah DWR |
| July 6, 2009 | Brook Trout | 800 | 2.71" | Utah DWR |
Show 17 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 1, 2009 | Brook Trout | 800 | 3" | Utah DWR |
| July 9, 2007 | Brook Trout | 803 | 3.22" | Utah DWR |
| July 1, 2007 | Brook Trout | 800 | 3" | Utah DWR |
| July 13, 2005 | Brook Trout | 804 | 2.65" | Utah DWR |
| June 30, 2005 | Brook Trout | 800 | 3" | Utah DWR |
| June 30, 2003 | Brook Trout | 806 | 2.62" | Utah DWR |
| July 9, 2001 | Brook Trout | 804 | 2.65" | Utah DWR |
| July 5, 2000 | Brook Trout | 795 | 2.55" | Utah DWR |
| July 12, 1999 | Brook Trout | 795 | 2.72" | Utah DWR |
| July 8, 1997 | Brook Trout | 800 | 2.85" | Utah DWR |
| July 31, 1995 | Brook Trout | 800 | 3.14" | Utah DWR |
| July 21, 1993 | Brook Trout | 792 | 2.61" | Utah DWR |
| July 11, 1991 | Brook Trout | 798 | 3.1" | Utah DWR |
| June 27, 1989 | Brook Trout | 800 | 2.77" | Utah DWR |
| June 23, 1987 | Brook Trout | 808 | 2.67" | Utah DWR |
| June 27, 1985 | Brook Trout | 806 | — | Utah DWR |
| July 11, 1983 | Brook Trout | 804 | — | Utah DWR |
Frequently asked
When was Rock Lake last stocked?
According to Utah DWR — Fish Stocking Report, Rock Lake was last stocked July 2, 2025 with Tiger Trout.
What fish species are stocked in Rock Lake?
Rock Lake is stocked with Tiger Trout and Brook Trout.
What time of year is Rock Lake stocked?
Rock Lake is typically stocked in summer, most often in July.
How often is Rock Lake stocked?
Rock Lake is stocked intermittently — 25 recorded stockings between 1983 and 2025.
How many fish have been stocked in Rock Lake?
About 18,007 fish have been stocked in Rock Lake across 25 recorded events since 1983, per Utah fish & wildlife agency.
What size are the fish stocked in Rock Lake?
Fish stocked in Rock Lake average about 2.9 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Rock Lake?
Yes, all anglers age 16 and older generally need a valid Utah freshwater fishing license. Always review current regulations from Utah fish & wildlife agency for site-specific rules, bag limits, or stamps.
How do you catch stocked trout in Rock Lake?
Freshly stocked trout in Rock 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.