Cotton Dam Fish Stocking
Montana · 1986–1999 on record
According to Montana fish & wildlife agency, Cotton Dam was last stocked May 27, 1999 with Rainbow Trout. Cotton Dam has 11 stocking records on file, spanning 1986–1999, with about 5,749 fish stocked over that period.
When Cotton Dam is stocked
Nearby stocked waters
Other stocked waters near Cotton Dam, freshest activity first.
Dry Blood Reservoir
10 mi2 species · 18 records
Last stocked October 2025
Cow Creek Reservoir
5 mi7 species · 72 records
Last stocked October 2025
Drag Creek Reservoir
16 mi4 species · 40 records
Last stocked September 2025
South Fork Blood Reservoir
9 mi1 species · 26 records
Last stocked August 2025
Payola Reservoir
13 mi1 species · 33 records
Last stocked August 2025
Petrolia Reservoir
15 mi8 species · 74 records
Last stocked June 2025
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 27, 1999 | Rainbow Trout | 491 | 4" | Montana fish & wildlife agency |
| June 2, 1997 | Rainbow Trout | 675 | 3.8" | Montana fish & wildlife agency |
| May 2, 1996 | Rainbow Trout | 508 | 3.9" | Montana fish & wildlife agency |
| April 27, 1995 | Rainbow Trout | 499 | 3.8" | Montana fish & wildlife agency |
| May 9, 1994 | Rainbow Trout | 503 | 4.9" | Montana fish & wildlife agency |
| May 13, 1993 | Rainbow Trout | 540 | 3.4" | Montana fish & wildlife agency |
| May 7, 1991 | Rainbow Trout | 514 | 3.8" | Montana fish & wildlife agency |
| May 14, 1990 | Rainbow Trout | 510 | 5" | Montana fish & wildlife agency |
Show 3 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 9, 1989 | Rainbow Trout | 499 | 4.8" | Montana fish & wildlife agency |
| April 14, 1987 | Rainbow Trout | 496 | 3.9" | Montana fish & wildlife agency |
| May 20, 1986 | Rainbow Trout | 514 | 5" | Montana fish & wildlife agency |
Frequently asked
When was Cotton Dam last stocked?
According to Montana fish & wildlife agency, Cotton Dam was last stocked May 27, 1999 with Rainbow Trout.
What fish species are stocked in Cotton Dam?
Cotton Dam is stocked with Rainbow Trout.
How often is Cotton Dam stocked?
Cotton Dam is stocked intermittently — 11 recorded stockings between 1986 and 1999.
How many fish have been stocked in Cotton Dam?
About 5,749 fish have been stocked in Cotton Dam across 11 recorded events since 1986, per Montana fish & wildlife agency.
What size are the fish stocked in Cotton Dam?
Fish stocked in Cotton Dam average about 4.2 inches, based on the sizes the agency reported.