Groom Creek Fish Stocking
Montana · 1936–1992 on record
According to Montana fish & wildlife agency, Groom Creek was last stocked September 1, 1992 with Cutthroat Trout. Groom Creek has 7 stocking records on file, spanning 1936–1992, with about 20,440 fish stocked over that period.
When Groom Creek is stocked
By species
Angler's Field Guide
Fishing Tips & Stocking Guide for Groom Creek
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Montana.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Groom Creek, 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 Groom Creek was last stocked September 1, 1992, 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 Montana freshwater fishing license is required for anglers age 16 and older.Purchase Montana license online →
- •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Montana fish & wildlife agency.Official Montana 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 Groom Creek:
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.
Recommended Tackle for Groom Creek
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 Groom Creek, freshest activity first.
Lost Lake
5 mi4 species · 96 records
Last stocked May 2026
Swan Lake
2 mi4 species · 170 records
Last stocked June 2007
Hall Creek
0 mi1 species · 28 records
Last stocked August 1995
Soup Creek
6 mi2 species · 52 records
Last stocked August 1991
Mud Lake
2 mi4 species · 35 records
Last stocked July 1976
South Fork Lost Creek
4 mi2 species · 33 records
Last stocked July 1968
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 1, 1992 | Cutthroat Trout | 1,720 | 0.8" | Montana fish & wildlife agency |
| September 1, 1992 | Cutthroat Trout | 1,720 | 0.8" | Montana fish & wildlife agency |
| August 7, 1991 | Cutthroat Trout | 2,500 | 1.1" | Montana fish & wildlife agency |
| August 7, 1991 | Cutthroat Trout | 2,500 | 1.1" | Montana fish & wildlife agency |
| September 25, 1990 | Cutthroat Trout | 5,000 | 1.6" | Montana fish & wildlife agency |
| November 8, 1989 | Cutthroat Trout | 2,000 | 1.9" | Montana fish & wildlife agency |
| September 10, 1936 | Cutthroat Trout | 5,000 | 1" | Montana fish & wildlife agency |
Frequently asked
When was Groom Creek last stocked?
According to Montana fish & wildlife agency, Groom Creek was last stocked September 1, 1992 with Cutthroat Trout.
What fish species are stocked in Groom Creek?
Groom Creek is stocked with Cutthroat Trout.
How often is Groom Creek stocked?
Groom Creek is stocked intermittently — 7 recorded stockings between 1936 and 1992.
How many fish have been stocked in Groom Creek?
About 20,440 fish have been stocked in Groom Creek across 7 recorded events since 1936, per Montana fish & wildlife agency.
What size are the fish stocked in Groom Creek?
Fish stocked in Groom Creek average about 1.2 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Groom Creek?
Yes, all anglers age 16 and older generally need a valid Montana freshwater fishing license. Always review current regulations from Montana fish & wildlife agency for site-specific rules, bag limits, or stamps.
How do you catch stocked trout in Groom Creek?
Freshly stocked trout in Groom Creek 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.