Flat Lake fishing
Flat Lake was last stocked on June 23, 2025 with 96 brook trout (3.0 in. average), according to the Utah DWR fish stocking report. It is a lake in Garfield County, Utah. From 2021 to 2026, DWR stocked 548 fish here, the 58th most of 65 stocked waters in Garfield County.
Flat Lake stocking report, last 12 months
No stocking recorded in the last 12 months. The most recent record is dated June 23, 2025.
Source: Utah DWR fish stocking report. Stocking data fetched Sept. 25, 2026; newest record dated Sept. 23, 2026. DWR posts stockings after they happen and does not publish schedules.
When is Flat Lake stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 1 record, first on June 23.
In past years, stocking here had usually started by this time of year (5 of the last 5 years). No stocking has been recorded here yet in 2026.
DWR does not publish stocking schedules. Patterns are based on past stocking records and are not a promise of future stocking. Weather, water conditions and hatchery supply change plans. How we read patterns.
Flat Lake stocking profile
- First record in the DWR report: July 8, 2002. Since then DWR has logged 23 stockings here in 23 different years, 5,473 fish in all.
- Species stocked 2021 to 2026, by share of fish: brook trout 100% (548 fish).
- Busiest months in the record: July (70% of records) and June (26% of records).
- Stocked fish averaged 2.9 in. from 2021 to 2026 (per-record averages ranged from 2.6 to 3.2 in.).
- Fish stocked 2021 to 2026: 548, the 58th most of 65 stocked waters in Garfield County and 917th of 1,068 statewide.
- Nearest other water with a page: Yellow Lake, 0.3 mi away.
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
Flat Lake stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2025 | 1 | 96 | 3.0 in. | Brook trout |
| 2024 | 1 | 97 | 2.6 in. | Brook trout |
| 2023 | 1 | 103 | 3.2 in. | Brook trout |
| 2022 | 1 | 97 | 3.0 in. | Brook trout |
| 2021 | 1 | 155 | 2.8 in. | Brook trout |
| 2020 | 1 | 154 | 2.7 in. | Brook trout |
| 2019 | 1 | 155 | 2.8 in. | Brook trout |
| 2018 | 1 | 147 | 3.0 in. | Brook trout |
| 2017 | 1 | 164 | 2.4 in. | Brook trout |
| 2016 | 1 | 207 | 2.1 in. | Brook trout |
| 2015 | 1 | 159 | 2.9 in. | Brook trout |
| 2013 | 1 | 260 | 2.5 in. | Brook trout |
| 2012 | 1 | 247 | 2.6 in. | Brook trout |
| 2011 | 1 | 257 | 3.3 in. | Brook trout |
| 2010 | 1 | 415 | 2.6 in. | Brook trout |
| 2009 | 1 | 405 | 3.3 in. | Brook trout |
| 2008 | 1 | 408 | 3.2 in. | Brook trout |
| 2007 | 1 | 398 | 3.2 in. | Brook trout |
| 2006 | 1 | 399 | 2.9 in. | Brook trout |
| 2005 | 1 | 394 | 2.3 in. | Brook trout |
| 2004 | 1 | 254 | 2.3 in. | Brook trout |
| 2003 | 1 | 250 | 2.6 in. | Brook trout |
| 2002 | 1 | 252 | 2.9 in. | Brook trout |
All stocking records 2021 to Sept. 24, 2025 (5)
| June 23, 2025 | Brook trout | 96 | 3.0 in. |
| June 25, 2024 | Brook trout | 97 | 2.6 in. |
| Aug. 1, 2023 | Brook trout | 103 | 3.2 in. |
| July 7, 2022 | Brook trout | 97 | 3.0 in. |
| July 6, 2021 | Brook trout | 155 | 2.8 in. |
Fishing rules
The 2026 Utah Fishing Guidebook lists no water-specific rules for Flat Lake under that name, so statewide rules apply unless DWR posts a change. Some waters are covered by a group entry (for example a drainage or its tributaries).
Rules summarized in our own words from the 2026 Utah Fishing Guidebook. DWR can change rules mid-year: check the current guidebook and its updates at wildlife.utah.gov/guidebooks before fishing. See statewide limits.
Email me when Flat Lake is stocked
Email me when Flat Lake shows up in the DWR stocking report. Alerts start once we switch on email; your choices are saved now.
"Was stocked" alerts come from new rows in the DWR stocking report. "Often stocked around now" heads-ups come from past stocking records only. DWR does not publish stocking schedules, so a heads-up is never a promise. We store your email only for these alerts; ask us to delete it at [email protected]. Privacy.
Flat Lake questions
When is Flat Lake stocked?
DWR does not publish stocking schedules. Past records show Flat Lake was stocked in late June to early July (4 of the last 5 years). The most recent stocking in the DWR report is dated June 23, 2025.
What fish are in Flat Lake?
Since 2021 DWR has stocked brook trout.
What are the fishing limits at Flat Lake?
The 2026 guidebook lists no water-specific rules under this name, so statewide limits apply unless DWR posts a change. See our statewide limits page and check the guidebook.
Stocking: Utah DWR fish stocking report, fetched Sept. 25, 2026. Location: Utah DWR, USGS NHD. Rules: 2026 Utah Fishing Guidebook. Page built Sept. 24, 2026. Found an error? [email protected]. Verify rules with DWR before fishing.