Monticello Lake Fish Stocking
SAN JUAN County, Utah · 1980–2026 on record
According to Utah DWR — Fish Stocking Report, Monticello Lake was last stocked April 23, 2026 with Rainbow Trout. Monticello Lake has 208 stocking records on file, spanning 1980–2026, with about 276,443 fish stocked over that period.
When Monticello Lake is stocked
Monticello Lake is typically stocked in summer, most often in July — 72 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Monticello Lake, freshest activity first.
Medicine Lake
38 miSAN JUAN County · 2 species · 73 records
Last stocked July 2026
Dark Canyon Lake
42 miSAN JUAN County · 4 species · 156 records
Last stocked July 2026
Oowah Lake
43 miGRAND County · 2 species · 131 records
Last stocked July 2026
Warner Lake
44 miGRAND County · 1 species · 102 records
Last stocked July 2026
Blanding Reservoir No 4
16 miSAN JUAN County · 2 species · 230 records
Last stocked May 2026
Blanding Reservoir No 3
16 miSAN JUAN County · 2 species · 155 records
Last stocked May 2026
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 23, 2026 | Rainbow Trout | 980 | 9.87" | Utah DWR |
| April 8, 2026 | Rainbow Trout | 1,020 | 10.09" | Utah DWR |
| July 17, 2025 | Tiger Trout | 1,005 | 3.03" | Utah DWR |
| June 26, 2025 | Rainbow Trout | 1,000 | 10.35" | Utah DWR |
| April 22, 2025 | Rainbow Trout | 1,020 | 10.21" | Utah DWR |
| July 17, 2023 | Rainbow Trout | 684 | 9.9" | Utah DWR |
| June 27, 2023 | Tiger Trout | 1,001 | 2.46" | Utah DWR |
| June 7, 2023 | Rainbow Trout | 605 | 10.19" | Utah DWR |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 15, 2023 | Rainbow Trout | 713 | 10.04" | Utah DWR |
| July 12, 2022 | Tiger Trout | 999 | 2.83" | Utah DWR |
| May 16, 2022 | Rainbow Trout | 1,030 | 10.86" | Utah DWR |
| June 17, 2021 | Rainbow Trout | 504 | 10.04" | Utah DWR |
| May 12, 2021 | Rainbow Trout | 504 | 10.5" | Utah DWR |
| July 17, 2020 | Rainbow Trout | 506 | 10.06" | Utah DWR |
| June 24, 2020 | Tiger Trout | 1,025 | 2.81" | Utah DWR |
| June 22, 2020 | Rainbow Trout | 768 | 10.07" | Utah DWR |
| May 5, 2020 | Rainbow Trout | 732 | 10.02" | Utah DWR |
| August 26, 2019 | Tiger Trout | 1,023 | 3.63" | Utah DWR |
| July 16, 2019 | Rainbow Trout | 949 | 10.33" | Utah DWR |
| June 10, 2019 | Rainbow Trout | 1,000 | 9.99" | Utah DWR |
| May 7, 2019 | Rainbow Trout | 1,058 | 10" | Utah DWR |
| July 12, 2018 | Tiger Trout | 1,004 | 2.98" | Utah DWR |
| July 9, 2018 | Rainbow Trout | 982 | 8.68" | Utah DWR |
| June 5, 2018 | Rainbow Trout | 1,021 | 10.3" | Utah DWR |
| April 24, 2018 | Rainbow Trout | 1,008 | 9.89" | Utah DWR |
| July 17, 2017 | Rainbow Trout | 677 | 9.76" | Utah DWR |
| June 20, 2017 | Rainbow Trout | 641 | 10.22" | Utah DWR |
| May 17, 2017 | Tiger Trout | 1,050 | 3.55" | Utah DWR |
| May 8, 2017 | Rainbow Trout | 683 | 10.22" | Utah DWR |
| August 22, 2016 | Tiger Trout | 1,000 | 5.1" | Utah DWR |
| July 12, 2016 | Rainbow Trout | 1,004 | 10.1" | Utah DWR |
| June 2, 2016 | Rainbow Trout | 1,000 | 9.88" | Utah DWR |
| April 27, 2016 | Rainbow Trout | 998 | 8.45" | Utah DWR |
| September 3, 2015 | Tiger Trout | 1,080 | 5.29" | Utah DWR |
| July 14, 2015 | Rainbow Trout | 856 | 9.53" | Utah DWR |
| June 22, 2015 | Rainbow Trout | 1,002 | 9.43" | Utah DWR |
| April 22, 2015 | Rainbow Trout | 1,150 | 8.45" | Utah DWR |
| August 21, 2014 | Tiger Trout | 1,040 | 5.46" | Utah DWR |
| July 14, 2014 | Rainbow Trout | 924 | 8.9" | Utah DWR |
| June 24, 2014 | Rainbow Trout | 1,002 | 8.6" | Utah DWR |
| May 7, 2014 | Rainbow Trout | 1,099 | 8.42" | Utah DWR |
| August 22, 2013 | Tiger Trout | 1,015 | 4.54" | Utah DWR |
| July 15, 2013 | Rainbow Trout | 896 | 9.84" | Utah DWR |
| May 29, 2013 | Rainbow Trout | 1,002 | 7.93" | Utah DWR |
| April 25, 2013 | Rainbow Trout | 1,054 | 9.86" | Utah DWR |
| July 30, 2012 | Rainbow Trout | 590 | 10.89" | Utah DWR |
| July 26, 2012 | Tiger Trout | 1,008 | 4.32" | Utah DWR |
| June 26, 2012 | Rainbow Trout | 796 | 10.85" | Utah DWR |
| May 24, 2012 | Rainbow Trout | 802 | 10.15" | Utah DWR |
| April 24, 2012 | Rainbow Trout | 814 | 10.24" | Utah DWR |
Showing 50 of 208 stocking records.
Frequently asked
When was Monticello Lake last stocked?
According to Utah DWR — Fish Stocking Report, Monticello Lake was last stocked April 23, 2026 with Rainbow Trout.
What fish species are stocked in Monticello Lake?
Monticello Lake is stocked with Rainbow Trout, Tiger Trout, and Brook Trout.
What time of year is Monticello Lake stocked?
Monticello Lake is typically stocked in summer, most often in July.
How often is Monticello Lake stocked?
Monticello Lake has been stocked about 4 times a year — 208 recorded stockings between 1980 and 2026.
How many fish have been stocked in Monticello Lake?
About 276,443 fish have been stocked in Monticello Lake across 208 recorded events since 1980, per Utah fish & wildlife agency.
What size are the fish stocked in Monticello Lake?
Fish stocked in Monticello Lake average about 8.3 inches, based on the sizes the agency reported.