Diversion Lake Fish Stocking
Montana · 1933–1953 on record
According to Montana fish & wildlife agency, Diversion Lake was last stocked August 24, 1953 with Rainbow Trout. Diversion Lake has 33 stocking records on file, spanning 1933–1953, with about 327,680 fish stocked over that period.
When Diversion Lake is stocked
Diversion Lake is typically stocked in spring and summer, most often in May — 9 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Diversion Lake, freshest activity first.
Tunnel Lake
6 mi6 species · 93 records
Last stocked May 2026
Renshaw Lake
8 mi5 species · 37 records
Last stocked September 2025
Swazee Lake
8 mi2 species · 66 records
Last stocked May 2025
Dickens Lake
4 mi1 species · 37 records
Last stocked June 2024
Twin Lakes 1
1 mi3 species · 126 records
Last stocked July 2022
North Fork Sun River
6 mi5 species · 137 records
Last stocked June 2008
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 24, 1953 | Rainbow Trout | 10,800 | 3" | Montana fish & wildlife agency |
| May 1, 1952 | Rainbow Trout | 3,600 | 8" | Montana fish & wildlife agency |
| April 30, 1952 | Rainbow Trout | 3,600 | 0 | Montana fish & wildlife agency |
| June 19, 1951 | Rainbow Trout | 1,000 | 8" | Montana fish & wildlife agency |
| May 17, 1951 | Rainbow Trout | 4,800 | 7" | Montana fish & wildlife agency |
| July 11, 1950 | Rainbow Trout | 10,200 | 5" | Montana fish & wildlife agency |
| September 9, 1948 | Rainbow Trout | 640 | 6" | Montana fish & wildlife agency |
| May 4, 1948 | Cutthroat Trout | 12,000 | 4" | Montana fish & wildlife agency |
Show 25 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 22, 1947 | Rainbow Trout | 9,000 | 5" | Montana fish & wildlife agency |
| May 2, 1947 | Rainbow Trout | 4,080 | 6" | Montana fish & wildlife agency |
| August 18, 1946 | Rainbow Trout | 4,000 | 5" | Montana fish & wildlife agency |
| July 17, 1946 | Rainbow Trout | 4,960 | 4" | Montana fish & wildlife agency |
| July 29, 1945 | Rainbow Trout | 5,150 | 5" | Montana fish & wildlife agency |
| July 29, 1945 | Rainbow Trout | 5,150 | 5" | Montana fish & wildlife agency |
| May 3, 1944 | Rainbow Trout | 5,440 | 4" | Montana fish & wildlife agency |
| April 25, 1944 | Rainbow Trout | 4,760 | 4" | Montana fish & wildlife agency |
| May 28, 1943 | Rainbow Trout | 4,000 | 5" | Montana fish & wildlife agency |
| May 4, 1943 | Rainbow Trout | 10,000 | 5" | Montana fish & wildlife agency |
| August 18, 1942 | Rainbow Trout | 40,000 | 2" | Montana fish & wildlife agency |
| June 15, 1942 | Rainbow Trout | 8,000 | 6" | Montana fish & wildlife agency |
| June 13, 1942 | Rainbow Trout | 8,000 | 6" | Montana fish & wildlife agency |
| August 26, 1941 | Rainbow Trout | 48,000 | 0 | Montana fish & wildlife agency |
| June 6, 1941 | Rainbow Trout | 5,000 | 4" | Montana fish & wildlife agency |
| May 28, 1941 | Rainbow Trout | 5,000 | 4" | Montana fish & wildlife agency |
| April 27, 1941 | Rainbow Trout | 4,800 | 5" | Montana fish & wildlife agency |
| April 20, 1941 | Rainbow Trout | 4,800 | 5" | Montana fish & wildlife agency |
| April 14, 1941 | Rainbow Trout | 4,800 | 5" | Montana fish & wildlife agency |
| April 9, 1941 | Rainbow Trout | 4,800 | 5" | Montana fish & wildlife agency |
| April 5, 1941 | Rainbow Trout | 4,800 | 5" | Montana fish & wildlife agency |
| September 27, 1939 | Rainbow Trout | 27,500 | 2" | Montana fish & wildlife agency |
| October 20, 1938 | Rainbow Trout | 28,000 | 0 | Montana fish & wildlife agency |
| May 27, 1935 | Rainbow Trout | 1,000 | 6" | Montana fish & wildlife agency |
| October 30, 1933 | Rainbow Trout | 30,000 | 0 | Montana fish & wildlife agency |
Frequently asked
When was Diversion Lake last stocked?
According to Montana fish & wildlife agency, Diversion Lake was last stocked August 24, 1953 with Rainbow Trout.
What fish species are stocked in Diversion Lake?
Diversion Lake is stocked with Rainbow Trout and Cutthroat Trout.
What time of year is Diversion Lake stocked?
Diversion Lake is typically stocked in spring and summer, most often in May.
How often is Diversion Lake stocked?
Diversion Lake has been stocked about 2 times a year — 33 recorded stockings between 1933 and 1953.
How many fish have been stocked in Diversion Lake?
About 327,680 fish have been stocked in Diversion Lake across 33 recorded events since 1933, per Montana fish & wildlife agency.
What size are the fish stocked in Diversion Lake?
Fish stocked in Diversion Lake average about 5.0 inches, based on the sizes the agency reported.