U-100 Fish Stocking
Utah · 1997–2019 on record
According to Utah DWR — Fish Stocking Events (1979–2024 archive), U-100 was last stocked October 1, 2019 with Arctic Grayling. U-100 has 8 stocking records on file, spanning 1997–2019, with about 2,933 fish stocked over that period.
When U-100 is stocked
Nearby stocked waters
Other stocked waters near U-100, freshest activity first.
Uinta River
3 miDUCHESNE County · 3 species · 185 records
Last stocked July 2026
Ann Lake Wr 74
2 miDUCHESNE County · 2 species · 16 records
Last stocked September 2025
Penny Nickell Lake
3 miDUCHESNE County · 1 species · 11 records
Last stocked September 2025
Rock Lake Upper Wr 14
3 miDUCHESNE County · 1 species · 14 records
Last stocked September 2025
Rock Lake Middle Wr 16
3 miDUCHESNE County · 1 species · 15 records
Last stocked September 2025
Rock Lake Lower Wr 17
4 miDUCHESNE County · 3 species · 12 records
Last stocked July 2025
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| October 1, 2019 | Arctic Grayling | 323 | 2.39" | Utah DWR |
| September 20, 2017 | Arctic Grayling | 790 | 2.79" | Utah DWR |
| October 7, 2013 | Arctic Grayling | 276 | 3.22" | Utah DWR |
| August 2, 2006 | Arctic Grayling | 282 | 1.66" | Utah DWR |
| August 1, 2006 | Arctic Grayling | 280 | 2" | Utah DWR |
| August 1, 2005 | Arctic Grayling | 280 | 2" | Utah DWR |
| August 11, 2000 | Arctic Grayling | 280 | 1.42" | Utah DWR |
| August 7, 1997 | Arctic Grayling | 422 | 1.33" | Utah DWR |
Frequently asked
When was U-100 last stocked?
According to Utah DWR — Fish Stocking Events (1979–2024 archive), U-100 was last stocked October 1, 2019 with Arctic Grayling.
What fish species are stocked in U-100?
U-100 is stocked with Arctic Grayling.
How often is U-100 stocked?
U-100 is stocked intermittently — 8 recorded stockings between 1997 and 2019.
How many fish have been stocked in U-100?
About 2,933 fish have been stocked in U-100 across 8 recorded events since 1997, per Utah fish & wildlife agency.
What size are the fish stocked in U-100?
Fish stocked in U-100 average about 2.1 inches, based on the sizes the agency reported.