Y-20 Fish Stocking
DUCHESNE County, Utah · 1983–2026 on record
According to Utah DWR — Fish Stocking Report, Y-20 was last stocked July 20, 2026 with Brook Trout. Y-20 has 11 stocking records on file, spanning 1983–2026, with about 7,193 fish stocked over that period.
When Y-20 is stocked
Nearby stocked waters
Other stocked waters near Y-20, freshest activity first.
X-105
2 miDUCHESNE County · 1 species · 13 records
Last stocked September 2025
East Center Oweep Creek
3 miDUCHESNE County · 1 species · 4 records
Last stocked July 2025
Red Castle Upper G16
3 miSUMMIT County · 2 species · 16 records
Last stocked July 2025
Smiths Fork Pass Lake G14
4 miSUMMIT County · 3 species · 21 records
Last stocked July 2025
Milk Lake
3 miDUCHESNE County · 1 species · 16 records
Last stocked July 2025
Spider Lake
4 miDUCHESNE County · 1 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 |
|---|---|---|---|---|
| July 20, 2026 | Brook Trout | 302 | 3.52" | Utah DWR |
| July 6, 2020 | Brook Trout | 373 | 3.15" | Utah DWR |
| July 6, 2015 | Brook Trout | 381 | 2.61" | Utah DWR |
| July 2, 2014 | Brook Trout | 380 | 2.43" | Utah DWR |
| August 1, 2007 | Arctic Grayling | 750 | 2" | Utah DWR |
| July 30, 2007 | Arctic Grayling | 752 | 1.5" | Utah DWR |
| August 10, 2000 | Arctic Grayling | 700 | 1.42" | Utah DWR |
| August 6, 1997 | Arctic Grayling | 844 | 1.33" | Utah DWR |
Show 3 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 18, 1988 | Arctic Grayling | 1,206 | 0" | Utah DWR |
| August 13, 1987 | Cutthroat Trout | 760 | 1.9" | Utah DWR |
| July 12, 1983 | Brook Trout | 745 | — | Utah DWR |
Frequently asked
When was Y-20 last stocked?
According to Utah DWR — Fish Stocking Report, Y-20 was last stocked July 20, 2026 with Brook Trout.
What fish species are stocked in Y-20?
Y-20 is stocked with Brook Trout, Arctic Grayling, and Cutthroat Trout.
How often is Y-20 stocked?
Y-20 is stocked intermittently — 11 recorded stockings between 1983 and 2026.
How many fish have been stocked in Y-20?
About 7,193 fish have been stocked in Y-20 across 11 recorded events since 1983, per Utah fish & wildlife agency.
What size are the fish stocked in Y-20?
Fish stocked in Y-20 average about 2.0 inches, based on the sizes the agency reported.