Diamond Lake Fish Stocking
Utah · 1983–2023 on record
According to Utah DWR — Fish Stocking Events (1979–2024 archive), Diamond Lake was last stocked July 21, 2023 with Brook Trout. Diamond Lake has 12 stocking records on file, spanning 1983–2023, with about 15,857 fish stocked over that period.
When Diamond Lake is stocked
Diamond Lake is typically stocked in summer, most often in July — 9 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Diamond Lake, freshest activity first.
Mid Lake
1 miDUCHESNE County · 1 species · 12 records
Last stocked July 2026
Horseshoe Lake Rc 38
1 miDUCHESNE County · 1 species · 13 records
Last stocked July 2026
Rudolph Lake No 1
1 miDUCHESNE County · 1 species · 13 records
Last stocked July 2026
Amlen Lake
2 miDUCHESNE County · 1 species · 14 records
Last stocked July 2026
Hook Lake
2 miDUCHESNE County · 2 species · 11 records
Last stocked July 2026
Rock Creek
3 miDUCHESNE County · 5 species · 146 records
Last stocked July 2026
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 21, 2023 | Brook Trout | 1,299 | 3" | Utah DWR |
| July 9, 2019 | Brook Trout | 1,014 | 2.68" | Utah DWR |
| July 1, 2015 | Brook Trout | 1,312 | 2.5" | Utah DWR |
| August 4, 2011 | Brook Trout | 1,299 | 2.45" | Utah DWR |
| July 9, 2007 | Brook Trout | 1,298 | 3.22" | Utah DWR |
| July 1, 2007 | Brook Trout | 1,300 | 3" | Utah DWR |
| June 30, 2003 | Brook Trout | 1,307 | 2.62" | Utah DWR |
| July 12, 1999 | Brook Trout | 1,305 | 2.72" | Utah DWR |
Show 4 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 31, 1995 | Brook Trout | 1,300 | 3.14" | Utah DWR |
| July 11, 1991 | Brook Trout | 1,302 | 3.1" | Utah DWR |
| June 23, 1987 | Brook Trout | 1,307 | 2.67" | Utah DWR |
| July 12, 1983 | Brook Trout | 1,814 | — | Utah DWR |
Frequently asked
When was Diamond Lake last stocked?
According to Utah DWR — Fish Stocking Events (1979–2024 archive), Diamond Lake was last stocked July 21, 2023 with Brook Trout.
What fish species are stocked in Diamond Lake?
Diamond Lake is stocked with Brook Trout.
What time of year is Diamond Lake stocked?
Diamond Lake is typically stocked in summer, most often in July.
How often is Diamond Lake stocked?
Diamond Lake is stocked intermittently — 12 recorded stockings between 1983 and 2023.
How many fish have been stocked in Diamond Lake?
About 15,857 fish have been stocked in Diamond Lake across 12 recorded events since 1983, per Utah fish & wildlife agency.
What size are the fish stocked in Diamond Lake?
Fish stocked in Diamond Lake average about 2.8 inches, based on the sizes the agency reported.