Rock Ii Lake Fish Stocking
Utah · 1980–2019 on record
According to Utah DWR — Fish Stocking Events (1979–2024 archive), Rock Ii Lake was last stocked September 26, 2019 with Arctic Grayling. Rock Ii Lake has 13 stocking records on file, spanning 1980–2019, with about 9,288 fish stocked over that period.
When Rock Ii Lake is stocked
Rock Ii Lake is typically stocked in summer, most often in August — 5 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Rock Ii Lake, freshest activity first.
Rock I Lake
0 miDUCHESNE County · 1 species · 14 records
Last stocked July 2026
Amlen Lake
1 miDUCHESNE County · 1 species · 14 records
Last stocked July 2026
Hook Lake
3 miDUCHESNE County · 2 species · 11 records
Last stocked July 2026
X 86
3 miDUCHESNE County · 2 species · 20 records
Last stocked July 2026
Horseshoe Lake Rc 38
3 miDUCHESNE County · 1 species · 13 records
Last stocked July 2026
Fall Creek
2 mi1 species · 2 records
Last stocked October 2024
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 26, 2019 | Arctic Grayling | 599 | 2.29" | Utah DWR |
| September 25, 2017 | Arctic Grayling | 503 | 2.79" | Utah DWR |
| September 20, 2013 | Arctic Grayling | 598 | 3.13" | Utah DWR |
| September 14, 2010 | Arctic Grayling | 610 | 2.02" | Utah DWR |
| August 2, 2006 | Arctic Grayling | 774 | 1.66" | Utah DWR |
| August 1, 2006 | Arctic Grayling | 770 | 2" | Utah DWR |
| August 1, 2005 | Arctic Grayling | 770 | 2" | Utah DWR |
| July 18, 2005 | Arctic Grayling | 990 | 0.76" | Utah DWR |
Show 5 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| August 11, 2000 | Arctic Grayling | 840 | 1.42" | Utah DWR |
| August 6, 1997 | Arctic Grayling | 844 | 1.33" | Utah DWR |
| July 21, 1993 | Brook Trout | 776 | 2.61" | Utah DWR |
| July 12, 1984 | Brook Trout | 710 | — | Utah DWR |
| July 16, 1980 | Brook Trout | 504 | — | Utah DWR |
Frequently asked
When was Rock Ii Lake last stocked?
According to Utah DWR — Fish Stocking Events (1979–2024 archive), Rock Ii Lake was last stocked September 26, 2019 with Arctic Grayling.
What fish species are stocked in Rock Ii Lake?
Rock Ii Lake is stocked with Arctic Grayling and Brook Trout.
What time of year is Rock Ii Lake stocked?
Rock Ii Lake is typically stocked in summer, most often in August.
How often is Rock Ii Lake stocked?
Rock Ii Lake is stocked intermittently — 13 recorded stockings between 1980 and 2019.
How many fish have been stocked in Rock Ii Lake?
About 9,288 fish have been stocked in Rock Ii Lake across 13 recorded events since 1980, per Utah fish & wildlife agency.
What size are the fish stocked in Rock Ii Lake?
Fish stocked in Rock Ii Lake average about 2.0 inches, based on the sizes the agency reported.