Millsite Reservoir Fish Stocking
EMERY County, Utah · 1980–2026 on record
According to Utah DWR — Fish Stocking Report, Millsite Reservoir was last stocked July 21, 2026 with Splake. Millsite Reservoir has 164 stocking records on file, spanning 1980–2026, with about 1,351,483 fish stocked over that period.
When Millsite Reservoir is stocked
Millsite Reservoir is typically stocked in spring and summer, most often in May — 39 stocking events in that peak month.
Angler's Field Guide
Fishing Tips & Stocking Guide for Millsite Reservoir
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in EMERY County, Utah.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Millsite Reservoir, they typically congregate in schools near public access points, boat ramps, or inlets for the first 24 to 48 hours while adjusting to natural water conditions.
Since Millsite Reservoir was last stocked July 21, 2026, anglers visiting within 1 to 2 weeks of a reported event generally experience the highest activity before fish disperse into deeper cover.
State Regulations & Licensing
- •Fishing License: A valid Utah freshwater fishing license is required for anglers age 16 and older.Purchase Utah license online →
- •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Utah fish & wildlife agency.Official Utah regulations guidebook →
- •Ethical Conservation: Use barbless hooks and keep fish submerged in water during unhooking.Trout Thermal Advisory: When water temperatures rise above 68°F (20°C), released trout face severe mortality from thermal exhaustion. Target warmwater species or fish early in the morning when lakes and streams warm up.
Recommended Tackle & Presentations
Techniques tailored to the species stocked in Millsite Reservoir:
Stocked Trout Tactics
Use light 4–6 lb monofilament or fluorocarbon line. Float scented dough bait (PowerBait) 12–18" off bottom using a sliding slip-sinker rig with a size 14–16 treble hook. For active casting, throw 1/16 to 1/8 oz inline spinners (Panther Martin, Rooster Tail) or small spoons (Kastmaster) along drop-offs.
Splake Profile Tips
Managed purely as a put-and-take hatchery fishery — splake do not naturally reproduce.
Tiger Trout Profile Tips
Known for hitting lures and flies aggressively; a favorite for anglers seeking a distinctive, hard-fighting stocked trout.
Recommended Tackle for Millsite Reservoir
Field-tested tackle and presentations matched to the species stocked here.
Berkley PowerBait Floating Trout Dough
Hatchery-raised trout are conditioned to pelleted scents; scented dough floated 12–18 inches off bottom consistently triggers strikes.
Panther Martin Classic Teardrop Inline Spinner
The heavy convex blade spins instantly upon retrieval, sending vibration through the water that triggers aggressive reaction bites along drop-offs.
Sliding Sinker & Treble Hook Rigging Kit
Sliding egg sinkers allow cautious trout to run with bait without feeling line drag, while size 14–16 treble hooks keep dough bait securely pinned.
As an Amazon Associate, StockedWaters earns from qualifying purchases at no additional cost to you. Recommendations are chosen for hatchery-conditioned fish behavior and ethical rigging. We may receive a referral commission if you buy through these links. Read our editorial policy & standards.
Nearby stocked waters
Other stocked waters near Millsite Reservoir, freshest activity first.
Wrigley Spring Reservoir
6 miEMERY County · 4 species · 220 records
Last stocked June 2026
Willow Lake
10 miSANPETE County · 5 species · 213 records
Last stocked June 2026
Hinkins Pond
12 miEMERY County · 2 species · 40 records
Last stocked June 2026
Indian Creek
13 miWASATCH County · 5 species · 66 records
Last stocked September 2025
Spinners Reservoir
13 miSANPETE County · 2 species · 42 records
Last stocked July 2025
Marys Lake
13 miSANPETE County · 3 species · 64 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 21, 2026 | Splake | 5,004 | 2.71" | Utah DWR |
| May 12, 2026 | Tiger Trout | 4,950 | 2.96" | Utah DWR |
| March 24, 2026 | Rainbow Trout | 3,000 | 9.95" | Utah DWR |
| March 24, 2026 | Rainbow Trout | 3,900 | 9.95" | Utah DWR |
| October 27, 2025 | Cutthroat Trout | 3,990 | 2.32" | Utah DWR |
| July 23, 2025 | Splake | 10,031 | 3.55" | Utah DWR |
| March 13, 2025 | Rainbow Trout | 2,563 | 10.31" | Utah DWR |
| March 6, 2025 | Rainbow Trout | 3,443 | 10.43" | Utah DWR |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| October 31, 2024 | Cutthroat Trout | 3,976 | 2.16" | Utah DWR |
| September 27, 2024 | Tiger Trout | 1,760 | 5.58" | Utah DWR |
| July 31, 2024 | Splake | 10,009 | 2.72" | Utah DWR |
| July 11, 2024 | Tiger Trout | 1,496 | 10.91" | Utah DWR |
| July 11, 2024 | Tiger Trout | 1,496 | 10.91" | Utah DWR |
| April 15, 2024 | Tiger Trout | 4,947 | 2.19" | Utah DWR |
| April 3, 2024 | Rainbow Trout | 2,525 | 9.95" | Utah DWR |
| April 1, 2024 | Rainbow Trout | 3,475 | 9.95" | Utah DWR |
| October 17, 2023 | Cutthroat Trout | 4,044 | 2.03" | Utah DWR |
| June 6, 2023 | Splake | 4,959 | 3.27" | Utah DWR |
| June 6, 2023 | Splake | 5,108 | 2.97" | Utah DWR |
| April 10, 2023 | Rainbow Trout | 3,013 | 10.04" | Utah DWR |
| April 10, 2023 | Rainbow Trout | 2,990 | 10.04" | Utah DWR |
| September 26, 2022 | Cutthroat Trout | 3,900 | 1.68" | Utah DWR |
| July 18, 2022 | Splake | 3,506 | 3.58" | Utah DWR |
| April 5, 2022 | Rainbow Trout | 2,218 | 10.15" | Utah DWR |
| April 5, 2022 | Rainbow Trout | 3,792 | 10.26" | Utah DWR |
| September 28, 2021 | Cutthroat Trout | 7,119 | 2.04" | Utah DWR |
| September 28, 2021 | Cutthroat Trout | 4,068 | 2.04" | Utah DWR |
| April 1, 2021 | Rainbow Trout | 2,875 | 9.91" | Utah DWR |
| April 1, 2021 | Rainbow Trout | 3,125 | 9.91" | Utah DWR |
| June 15, 2020 | Splake | 5,059 | 3.05" | Utah DWR |
| March 24, 2020 | Rainbow Trout | 2,825 | 10.12" | Utah DWR |
| March 24, 2020 | Rainbow Trout | 3,187 | 10.12" | Utah DWR |
| July 22, 2019 | Cutthroat Trout | 305 | 7.95" | Utah DWR |
| April 10, 2019 | Rainbow Trout | 1,058 | 10.35" | Utah DWR |
| April 4, 2019 | Rainbow Trout | 3,439 | 10.27" | Utah DWR |
| April 3, 2019 | Rainbow Trout | 3,525 | 10.2" | Utah DWR |
| October 21, 2014 | Rainbow Trout | 4,732 | 8.93" | Utah DWR |
| October 20, 2014 | Rainbow Trout | 8,280 | 8.9" | Utah DWR |
| May 13, 2014 | Tiger Trout | 10,146 | 3.65" | Utah DWR |
| October 29, 2013 | Rainbow Trout | 12,128 | 8.44" | Utah DWR |
| October 22, 2013 | Cutthroat Trout | 31,881 | 2.33" | Utah DWR |
| June 25, 2013 | Splake | 9,750 | 2.8" | Utah DWR |
| May 2, 2013 | Cutthroat Trout | 420 | 5.62" | Utah DWR |
| August 13, 2012 | Cutthroat Trout | 1,700 | 7.38" | Utah DWR |
| August 8, 2012 | Tiger Trout | 3,440 | 3.32" | Utah DWR |
| June 18, 2012 | Rainbow Trout | 12,139 | 8.19" | Utah DWR |
| August 4, 2011 | Cutthroat Trout | 2,503 | 7.91" | Utah DWR |
| July 18, 2011 | Rainbow Trout | 12,018 | 7.73" | Utah DWR |
| July 13, 2011 | Splake | 20,668 | 3.84" | Utah DWR |
| April 26, 2011 | Cutthroat Trout | 4,603 | 6.29" | Utah DWR |
Showing 50 of 164 stocking records.
Frequently asked
When was Millsite Reservoir last stocked?
According to Utah DWR — Fish Stocking Report, Millsite Reservoir was last stocked July 21, 2026 with Splake.
What fish species are stocked in Millsite Reservoir?
Millsite Reservoir is stocked with Splake, Tiger Trout, Rainbow Trout, and Cutthroat Trout.
What time of year is Millsite Reservoir stocked?
Millsite Reservoir is typically stocked in spring and summer, most often in May.
How often is Millsite Reservoir stocked?
Millsite Reservoir has been stocked about 3 times a year — 164 recorded stockings between 1980 and 2026.
How many fish have been stocked in Millsite Reservoir?
About 1,351,483 fish have been stocked in Millsite Reservoir across 164 recorded events since 1980, per Utah fish & wildlife agency.
What size are the fish stocked in Millsite Reservoir?
Fish stocked in Millsite Reservoir average about 6.3 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Millsite Reservoir?
Yes, all anglers age 16 and older generally need a valid Utah freshwater fishing license. Always review current regulations from Utah fish & wildlife agency for site-specific rules, bag limits, or stamps.
How do you catch stocked trout in Millsite Reservoir?
Freshly stocked trout in Millsite Reservoir typically respond well to floating dough bait (such as PowerBait) floated 12–18 inches off bottom on light 4–6 lb leader, live nightcrawlers under a bobber, and small inline spinners or spoons retrieved along shorelines and drop-offs.