Grass Lake Sb Fish Stocking
GARFIELD County, Utah · 1980–2026 on record
According to Utah DWR — Fish Stocking Report, Grass Lake Sb was last stocked July 13, 2026 with Brook Trout. Grass Lake Sb has 77 stocking records on file, spanning 1980–2026, with about 41,903 fish stocked over that period.
When Grass Lake Sb is stocked
Grass Lake Sb is typically stocked in summer, most often in July — 31 stocking events in that peak month.
Angler's Field Guide
Fishing Tips & Stocking Guide for Grass Lake Sb
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in GARFIELD County, Utah.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Grass Lake Sb, 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 Grass Lake Sb was last stocked July 13, 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 Grass Lake Sb:
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.
Brook Trout Profile Tips
A favorite of high-country and small-stream anglers; often more willing to strike than brown or rainbow trout in the same water.
Cutthroat Trout Profile Tips
Known for being relatively easy to catch on dry flies, making it a favorite of western fly anglers; many subspecies are managed under catch-and-release rules to protect native populations.
Recommended Tackle for Grass Lake Sb
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 Grass Lake Sb, freshest activity first.
Pleasant Creek Lake Bts
3 miGARFIELD County · 2 species · 60 records
Last stocked July 2026
Short Lake
1 miGARFIELD County · 1 species · 24 records
Last stocked July 2026
Ledge Lake Bts
2 miGARFIELD County · 1 species · 46 records
Last stocked July 2026
Half Moon Lake Bts
3 miGARFIELD County · 2 species · 67 records
Last stocked July 2026
East Lake Bts
3 miGARFIELD County · 2 species · 53 records
Last stocked July 2026
Horseshoe Lake Bts
3 miGARFIELD County · 4 species · 67 records
Last stocked July 2026
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| July 13, 2026 | Brook Trout | 149 | 2.93" | Utah DWR |
| June 23, 2025 | Brook Trout | 153 | 2.97" | Utah DWR |
| July 10, 2023 | Brook Trout | 148 | 2.57" | Utah DWR |
| July 7, 2022 | Brook Trout | 155 | 2.96" | Utah DWR |
| September 20, 2021 | Cutthroat Trout | 200 | 2.32" | Utah DWR |
| July 6, 2021 | Brook Trout | 155 | 2.76" | Utah DWR |
| September 23, 2020 | Cutthroat Trout | 209 | 2.12" | Utah DWR |
| July 1, 2020 | Brook Trout | 154 | 2.69" | Utah DWR |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| September 25, 2019 | Cutthroat Trout | 219 | 1.73" | Utah DWR |
| October 1, 2018 | Cutthroat Trout | 200 | 2.43" | Utah DWR |
| June 25, 2018 | Brook Trout | 147 | 2.95" | Utah DWR |
| June 26, 2017 | Brook Trout | 164 | 2.39" | Utah DWR |
| September 19, 2016 | Cutthroat Trout | 404 | 1.82" | Utah DWR |
| June 27, 2016 | Brook Trout | 207 | 2.13" | Utah DWR |
| September 18, 2015 | Cutthroat Trout | 406 | 1.92" | Utah DWR |
| June 29, 2015 | Brook Trout | 144 | 2.85" | Utah DWR |
| September 10, 2014 | Cutthroat Trout | 498 | 1.85" | Utah DWR |
| September 16, 2013 | Cutthroat Trout | 528 | 2.05" | Utah DWR |
| July 1, 2013 | Brook Trout | 302 | 2.57" | Utah DWR |
| September 19, 2012 | Cutthroat Trout | 500 | 2.15" | Utah DWR |
| July 6, 2012 | Brook Trout | 305 | 2.41" | Utah DWR |
| July 28, 2011 | Brook Trout | 308 | 3.48" | Utah DWR |
| September 28, 2010 | Cutthroat Trout | 0 | 2" | Utah DWR |
| September 28, 2010 | Cutthroat Trout | 0 | 2" | Utah DWR |
| September 28, 2010 | Cutthroat Trout | 0 | 2" | Utah DWR |
| September 13, 2010 | Cutthroat Trout | 1,001 | 1.52" | Utah DWR |
| July 7, 2010 | Brook Trout | 302 | 3.34" | Utah DWR |
| June 30, 2010 | Brook Trout | 300 | 3" | Utah DWR |
| June 30, 2010 | Brook Trout | 300 | 3" | Utah DWR |
| June 30, 2010 | Brook Trout | 300 | 3" | Utah DWR |
| September 28, 2009 | Cutthroat Trout | 0 | 2" | Utah DWR |
| July 15, 2009 | Brook Trout | 312 | 2.89" | Utah DWR |
| June 30, 2009 | Brook Trout | 300 | 3" | Utah DWR |
| September 28, 2008 | Cutthroat Trout | 1,000 | 2" | Utah DWR |
| July 7, 2008 | Brook Trout | 298 | 3.2" | Utah DWR |
| June 30, 2008 | Brook Trout | 300 | 3" | Utah DWR |
| September 15, 2007 | Cutthroat Trout | 2,000 | 2" | Utah DWR |
| July 12, 2007 | Brook Trout | 300 | 3.22" | Utah DWR |
| June 30, 2007 | Brook Trout | 300 | 3" | Utah DWR |
| July 10, 2006 | Brook Trout | 305 | 2.88" | Utah DWR |
| June 30, 2006 | Brook Trout | 300 | 3" | Utah DWR |
| October 4, 2005 | Cutthroat Trout | 2,000 | 1.94" | Utah DWR |
| September 29, 2005 | Cutthroat Trout | 2,000 | 2" | Utah DWR |
| July 10, 2005 | Brook Trout | 310 | 2.34" | Utah DWR |
| June 30, 2005 | Brook Trout | 300 | 3" | Utah DWR |
| July 12, 2004 | Brook Trout | 293 | 2.34" | Utah DWR |
| October 7, 2003 | Cutthroat Trout | 508 | 1.98" | Utah DWR |
| October 7, 2003 | Cutthroat Trout | 1,551 | 1.79" | Utah DWR |
| July 6, 2003 | Brook Trout | 306 | 2.62" | Utah DWR |
| July 8, 2002 | Brook Trout | 305 | 2.88" | Utah DWR |
Showing 50 of 77 stocking records.
Frequently asked
When was Grass Lake Sb last stocked?
According to Utah DWR — Fish Stocking Report, Grass Lake Sb was last stocked July 13, 2026 with Brook Trout.
What fish species are stocked in Grass Lake Sb?
Grass Lake Sb is stocked with Brook Trout and Cutthroat Trout.
What time of year is Grass Lake Sb stocked?
Grass Lake Sb is typically stocked in summer, most often in July.
How often is Grass Lake Sb stocked?
Grass Lake Sb has been stocked about 2 times a year — 77 recorded stockings between 1980 and 2026.
How many fish have been stocked in Grass Lake Sb?
About 41,903 fish have been stocked in Grass Lake Sb across 77 recorded events since 1980, per Utah fish & wildlife agency.
What size are the fish stocked in Grass Lake Sb?
Fish stocked in Grass Lake Sb average about 2.5 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Grass Lake Sb?
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 Grass Lake Sb?
Freshly stocked trout in Grass Lake Sb 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.