Greenwood Reservoir Fish Stocking
Montana · 1969–1987 on record
According to Montana fish & wildlife agency, Greenwood Reservoir was last stocked April 16, 1987 with Rainbow Trout. Greenwood Reservoir has 19 stocking records on file, spanning 1969–1987, with about 39,965 fish stocked over that period.
When Greenwood Reservoir is stocked
Greenwood Reservoir is typically stocked in spring, most often in April — 7 stocking events in that peak month.
By species
Angler's Field Guide
Fishing Tips & Stocking Guide for Greenwood Reservoir
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 Greenwood Reservoir, 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 Greenwood Reservoir was last stocked April 16, 1987, 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 Greenwood Reservoir:
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.
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 Greenwood Reservoir
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 Greenwood Reservoir, freshest activity first.
Milk River
20 mi13 species · 325 records
Last stocked May 2014
Smith Reservoir
22 mi4 species · 33 records
Last stocked April 2001
Nielsen Dam
15 mi4 species · 5 records
Last stocked April 1998
Frazer Lake
8 mi4 species · 5 records
Last stocked June 1996
Nickels Dam
16 mi2 species · 3 records
Last stocked September 1978
McCrea Reservoir
23 mi2 species · 5 records
Last stocked June 1975
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 16, 1987 | Rainbow Trout | 1,005 | 3.4" | Montana fish & wildlife agency |
| June 3, 1986 | Rainbow Trout | 206 | 8" | Montana fish & wildlife agency |
| May 27, 1986 | Rainbow Trout | 2,100 | 4" | Montana fish & wildlife agency |
| June 9, 1983 | Rainbow Trout | 2,697 | 4" | Montana fish & wildlife agency |
| May 13, 1982 | Rainbow Trout | 2,525 | 4" | Montana fish & wildlife agency |
| May 13, 1982 | Rainbow Trout | 469 | 8" | Montana fish & wildlife agency |
| May 1, 1980 | Rainbow Trout | 3,003 | 4" | Montana fish & wildlife agency |
| July 5, 1979 | Rainbow Trout | 2,516 | 5" | Montana fish & wildlife agency |
Show 11 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| June 14, 1978 | Rainbow Trout | 2,505 | 5" | Montana fish & wildlife agency |
| May 25, 1978 | Rainbow Trout | 999 | 9" | Montana fish & wildlife agency |
| April 13, 1977 | Rainbow Trout | 1,001 | 8" | Montana fish & wildlife agency |
| April 21, 1976 | Rainbow Trout | 3,510 | 5" | Montana fish & wildlife agency |
| June 12, 1975 | Rainbow Trout | 1,005 | 8" | Montana fish & wildlife agency |
| April 24, 1974 | Rainbow Trout | 1,316 | 6" | Montana fish & wildlife agency |
| May 1, 1973 | Rainbow Trout | 4,158 | 2" | Montana fish & wildlife agency |
| April 27, 1972 | Rainbow Trout | 2,450 | 2" | Montana fish & wildlife agency |
| April 23, 1971 | Rainbow Trout | 2,100 | 2" | Montana fish & wildlife agency |
| April 16, 1971 | Rainbow Trout | 1,000 | 2" | Montana fish & wildlife agency |
| June 2, 1969 | Rainbow Trout | 5,400 | 4" | Montana fish & wildlife agency |
Frequently asked
When was Greenwood Reservoir last stocked?
According to Montana fish & wildlife agency, Greenwood Reservoir was last stocked April 16, 1987 with Rainbow Trout.
What fish species are stocked in Greenwood Reservoir?
Greenwood Reservoir is stocked with Rainbow Trout.
What time of year is Greenwood Reservoir stocked?
Greenwood Reservoir is typically stocked in spring, most often in April.
How often is Greenwood Reservoir stocked?
Greenwood Reservoir is stocked intermittently — 19 recorded stockings between 1969 and 1987.
How many fish have been stocked in Greenwood Reservoir?
About 39,965 fish have been stocked in Greenwood Reservoir across 19 recorded events since 1969, per Montana fish & wildlife agency.
What size are the fish stocked in Greenwood Reservoir?
Fish stocked in Greenwood Reservoir average about 4.9 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Greenwood Reservoir?
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 Greenwood Reservoir?
Freshly stocked trout in Greenwood Reservoir 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.