Diamond Lake Fish Stocking
Utah · 1982–2020 on record
According to Utah DWR — Fish Stocking Events (1979–2024 archive), Diamond Lake was last stocked September 21, 2020 with Arctic Grayling. Diamond Lake has 12 stocking records on file, spanning 1982–2020, with about 6,931 fish stocked over that period.
When Diamond Lake is stocked
Diamond Lake is typically stocked in summer, most often in August — 8 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Diamond Lake, freshest activity first.
Bowden Lake
2 miDUCHESNE County · 1 species · 14 records
Last stocked July 2026
Rainbow Lake
0 miDUCHESNE County · 3 species · 21 records
Last stocked July 2026
Lilly Lake
1 miDUCHESNE County · 1 species · 14 records
Last stocked July 2026
Kidney Lake West
1 miDUCHESNE County · 1 species · 15 records
Last stocked July 2025
Coffin Lake Gr 144
2 mi2 species · 23 records
Last stocked July 2024
U 38
0 mi1 species · 13 records
Last stocked September 2023
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 21, 2020 | Arctic Grayling | 558 | 2.81" | Utah DWR |
| September 20, 2017 | Arctic Grayling | 551 | 2.79" | Utah DWR |
| August 29, 2014 | Arctic Grayling | 544 | 2.32" | Utah DWR |
| September 14, 2010 | Arctic Grayling | 549 | 2.02" | Utah DWR |
| August 2, 2006 | Arctic Grayling | 528 | 1.66" | Utah DWR |
| August 1, 2006 | Arctic Grayling | 530 | 2" | Utah DWR |
| August 1, 2005 | Arctic Grayling | 530 | 2" | Utah DWR |
| August 10, 2000 | Arctic Grayling | 840 | 1.42" | Utah DWR |
Show 4 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 7, 1997 | Arctic Grayling | 633 | 1.33" | Utah DWR |
| August 26, 1989 | Cutthroat Trout | 571 | 1.9" | Utah DWR |
| August 9, 1985 | Cutthroat Trout | 539 | — | Utah DWR |
| July 20, 1982 | Brook Trout | 558 | — | 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 September 21, 2020 with Arctic Grayling.
What fish species are stocked in Diamond Lake?
Diamond Lake is stocked with Arctic Grayling, Cutthroat Trout, and Brook Trout.
What time of year is Diamond Lake stocked?
Diamond Lake is typically stocked in summer, most often in August.
How often is Diamond Lake stocked?
Diamond Lake is stocked intermittently — 12 recorded stockings between 1982 and 2020.
How many fish have been stocked in Diamond Lake?
About 6,931 fish have been stocked in Diamond Lake across 12 recorded events since 1982, per Utah fish & wildlife agency.
What size are the fish stocked in Diamond Lake?
Fish stocked in Diamond Lake average about 2.0 inches, based on the sizes the agency reported.