Grandaddy Lake Fish Stocking
Utah · 1989–2022 on record
According to Utah DWR — Fish Stocking Events (1979–2024 archive), Grandaddy Lake was last stocked September 23, 2022 with Cutthroat Trout. Grandaddy Lake has 10 stocking records on file, spanning 1989–2022, with about 321,221 fish stocked over that period.
When Grandaddy Lake is stocked
Nearby stocked waters
Other stocked waters near Grandaddy Lake, freshest activity first.
Gibby Lake Rc 30
0 miDUCHESNE County · 2 species · 17 records
Last stocked September 2025
Heart Lake
1 miDUCHESNE County · 1 species · 25 records
Last stocked September 2025
Betsey Lake
1 miDUCHESNE County · 1 species · 23 records
Last stocked September 2025
Powell Lake
2 miDUCHESNE County · 1 species · 21 records
Last stocked September 2025
Survey Lake Rc 20
1 miDUCHESNE County · 1 species · 20 records
Last stocked July 2025
Palisade Lake
2 miDUCHESNE County · 3 species · 17 records
Last stocked July 2025
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 23, 2022 | Cutthroat Trout | 17,304 | 1.91" | Utah DWR |
| September 23, 2019 | Cutthroat Trout | 17,254 | 1.7" | Utah DWR |
| September 20, 2016 | Cutthroat Trout | 17,252 | 1.47" | Utah DWR |
| October 7, 2013 | Cutthroat Trout | 14,915 | 1.45" | Utah DWR |
| September 30, 2010 | Cutthroat Trout | 6,861 | 1.71" | Utah DWR |
| September 24, 2008 | Cutthroat Trout | 17,499 | 1.42" | Utah DWR |
| September 15, 2007 | Cutthroat Trout | 173,000 | 2" | Utah DWR |
| October 3, 2003 | Cutthroat Trout | 17,596 | 1.76" | Utah DWR |
Show 2 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| October 7, 2002 | Cutthroat Trout | 31,140 | 2.02" | Utah DWR |
| June 27, 1989 | Brook Trout | 8,400 | 2.77" | Utah DWR |
Frequently asked
When was Grandaddy Lake last stocked?
According to Utah DWR — Fish Stocking Events (1979–2024 archive), Grandaddy Lake was last stocked September 23, 2022 with Cutthroat Trout.
What fish species are stocked in Grandaddy Lake?
Grandaddy Lake is stocked with Cutthroat Trout and Brook Trout.
How often is Grandaddy Lake stocked?
Grandaddy Lake is stocked intermittently — 10 recorded stockings between 1989 and 2022.
How many fish have been stocked in Grandaddy Lake?
About 321,221 fish have been stocked in Grandaddy Lake across 10 recorded events since 1989, per Utah fish & wildlife agency.
What size are the fish stocked in Grandaddy Lake?
Fish stocked in Grandaddy Lake average about 1.8 inches, based on the sizes the agency reported.