Rock I Lake Fish Stocking
DUCHESNE County, Utah · 1980–2026 on record
According to Utah DWR — Fish Stocking Report, Rock I Lake was last stocked July 20, 2026 with Brook Trout. Rock I Lake has 14 stocking records on file, spanning 1980–2026, with about 6,990 fish stocked over that period.
When Rock I Lake is stocked
Rock I Lake is typically stocked in summer, most often in July — 12 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Rock I Lake, freshest activity first.
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
Fall Creek
2 mi1 species · 2 records
Last stocked October 2024
X 89
3 mi2 species · 13 records
Last stocked September 2023
Young Lake
1 mi1 species · 14 records
Last stocked September 2022
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 20, 2026 | Brook Trout | 483 | 3.52" | Utah DWR |
| June 29, 2022 | Brook Trout | 492 | 2.75" | Utah DWR |
| July 9, 2018 | Brook Trout | 483 | 2.88" | Utah DWR |
| July 2, 2014 | Brook Trout | 481 | 2.43" | Utah DWR |
| July 8, 2010 | Brook Trout | 483 | 2.79" | Utah DWR |
| July 7, 2006 | Brook Trout | 480 | 2.75" | Utah DWR |
| July 1, 2006 | Brook Trout | 480 | 3" | Utah DWR |
| July 7, 2004 | Brook Trout | 473 | 2.46" | Utah DWR |
Show 6 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 10, 2000 | Brook Trout | 480 | 2.55" | Utah DWR |
| July 9, 1996 | Brook Trout | 492 | 2.3" | Utah DWR |
| July 10, 1992 | Brook Trout | 483 | 3" | Utah DWR |
| June 23, 1988 | Brook Trout | 481 | 2.79" | Utah DWR |
| July 12, 1984 | Brook Trout | 499 | — | Utah DWR |
| July 16, 1980 | Brook Trout | 700 | — | Utah DWR |
Frequently asked
When was Rock I Lake last stocked?
According to Utah DWR — Fish Stocking Report, Rock I Lake was last stocked July 20, 2026 with Brook Trout.
What fish species are stocked in Rock I Lake?
Rock I Lake is stocked with Brook Trout.
What time of year is Rock I Lake stocked?
Rock I Lake is typically stocked in summer, most often in July.
How often is Rock I Lake stocked?
Rock I Lake is stocked intermittently — 14 recorded stockings between 1980 and 2026.
How many fish have been stocked in Rock I Lake?
About 6,990 fish have been stocked in Rock I Lake across 14 recorded events since 1980, per Utah fish & wildlife agency.
What size are the fish stocked in Rock I Lake?
Fish stocked in Rock I Lake average about 2.8 inches, based on the sizes the agency reported.