Stewart Lake Fish Stocking
DUCHESNE County, Utah · 1986–2025 on record
According to Utah DWR — Fish Stocking Report, Stewart Lake was last stocked September 18, 2025 with Cutthroat Trout. Stewart Lake has 11 stocking records on file, spanning 1986–2025, with about 10,311 fish stocked over that period.
When Stewart Lake is stocked
Angler's Field Guide
Fishing Tips & Stocking Guide for Stewart Lake
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in DUCHESNE County, Utah.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Stewart 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 Stewart Lake was last stocked September 18, 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 Stewart 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.
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 Stewart 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 Stewart Lake, freshest activity first.
Lf 16
1 miDUCHESNE County · 1 species · 11 records
Last stocked July 2026
Colorow
2 miDUCHESNE County · 1 species · 14 records
Last stocked July 2026
Hook Lake
2 miDUCHESNE County · 2 species · 11 records
Last stocked July 2026
X 78
0 miDUCHESNE County · 1 species · 12 records
Last stocked September 2025
Clements Reservoir
0 miDUCHESNE County · 1 species · 18 records
Last stocked September 2025
Lf 8
1 miDUCHESNE County · 1 species · 14 records
Last stocked September 2025
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 18, 2025 | Cutthroat Trout | 951 | 2.11" | Utah DWR |
| September 22, 2021 | Cutthroat Trout | 942 | 1.9" | Utah DWR |
| September 25, 2017 | Cutthroat Trout | 953 | 1.62" | Utah DWR |
| October 7, 2013 | Cutthroat Trout | 944 | 1.45" | Utah DWR |
| September 24, 2008 | Cutthroat Trout | 952 | 1.42" | Utah DWR |
| September 15, 2007 | Cutthroat Trout | 950 | 2" | Utah DWR |
| June 27, 2002 | Brook Trout | 942 | 2.34" | Utah DWR |
| July 14, 1998 | Brook Trout | 952 | 2.46" | Utah DWR |
Show 3 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 8, 1994 | Brook Trout | 806 | 2.82" | Utah DWR |
| July 11, 1990 | Brook Trout | 956 | 2.34" | Utah DWR |
| July 21, 1986 | Brook Trout | 963 | — | Utah DWR |
Frequently asked
When was Stewart Lake last stocked?
According to Utah DWR — Fish Stocking Report, Stewart Lake was last stocked September 18, 2025 with Cutthroat Trout.
What fish species are stocked in Stewart Lake?
Stewart Lake is stocked with Cutthroat Trout and Brook Trout.
How often is Stewart Lake stocked?
Stewart Lake is stocked intermittently — 11 recorded stockings between 1986 and 2025.
How many fish have been stocked in Stewart Lake?
About 10,311 fish have been stocked in Stewart Lake across 11 recorded events since 1986, per Utah fish & wildlife agency.
What size are the fish stocked in Stewart Lake?
Fish stocked in Stewart Lake average about 2.0 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Stewart 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 Stewart Lake?
Freshly stocked trout in Stewart 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.