O'Brien Creek Fish Stocking
Montana · 1924–1978 on record
According to Montana fish & wildlife agency, O'Brien Creek was last stocked May 25, 1978 with Rainbow Trout. O'Brien Creek has 5 stocking records on file, spanning 1924–1978, with about 133,000 fish stocked over that period.
Nearby stocked waters
Other stocked waters near O'Brien Creek, freshest activity first.
Troy Kids Pond
2 mi3 species · 214 records
Last stocked June 2026
Grouse Lake
8 mi2 species · 43 records
Last stocked May 2025
Kilbrennan Lake
10 mi3 species · 62 records
Last stocked June 2015
Savage Lake
3 mi6 species · 47 records
Last stocked July 2012
Kootenai River
9 mi3 species · 26 records
Last stocked April 2008
Shannon Lake
3 mi1 species · 11 records
Last stocked July 1989
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 25, 1978 | Rainbow Trout | 9,000 | 99" | Montana fish & wildlife agency |
| May 25, 1978 | Rainbow Trout | 9,000 | 99" | Montana fish & wildlife agency |
| July 18, 1925 | Cutthroat Trout | 35,000 | 0 | Montana fish & wildlife agency |
| July 19, 1924 | Cutthroat Trout | 40,000 | 0 | Montana fish & wildlife agency |
| July 19, 1924 | Cutthroat Trout | 40,000 | 0 | Montana fish & wildlife agency |
Frequently asked
When was O'Brien Creek last stocked?
According to Montana fish & wildlife agency, O'Brien Creek was last stocked May 25, 1978 with Rainbow Trout.
What fish species are stocked in O'Brien Creek?
O'Brien Creek is stocked with Rainbow Trout and Cutthroat Trout.
How often is O'Brien Creek stocked?
O'Brien Creek is stocked intermittently — 5 recorded stockings between 1924 and 1978.
How many fish have been stocked in O'Brien Creek?
About 133,000 fish have been stocked in O'Brien Creek across 5 recorded events since 1924, per Montana fish & wildlife agency.
What size are the fish stocked in O'Brien Creek?
Fish stocked in O'Brien Creek average about 99.0 inches, based on the sizes the agency reported.