John Lake Flat Creek fishing
John Lake Flat Creek was last stocked on Sept. 11, 2023 with 1,090 cutthroat trout (1.9 in. average), according to the Utah DWR fish stocking report. It is a river or stream in Iron County, Utah. From 2021 to 2026, DWR stocked 3,082 fish here, the 21st most of 23 stocked waters in Iron County.
Recent stockings at John Lake Flat Creek
- Sept. 11, 20231,090 cutthroat trout, 1.9 in. average
- Sept. 12, 2022992 cutthroat trout, 2.0 in. average
- Sept. 16, 20211,000 cutthroat trout, 2.3 in. average
Newest first, from the Utah DWR stocking report. Full stocking history.
John Lake Flat Creek facts
- Last stocked
- Sept. 11, 2023 (1,156 days ago): 1,090 cutthroat trout
- Stockings in 2026
- None recorded yet in 2026
- County
- Iron County
- Stocked since 2021
- cutthroat trout
- Average size stocked
- 2.0 in. (2021 to 2026)
- County rank
- 21st most fish of 23 stocked waters in Iron County since 2021
- Name in DWR report
- JOHN L FLAT CREEK
- Rules
- Statewide rules (no water-specific entry in the 2026 guidebook)
John Lake Flat Creek stocking report, last 12 months
No stocking recorded in the last 12 months. The most recent record is dated Sept. 11, 2023.
Source: Utah DWR fish stocking report. Stocking data fetched Nov. 10, 2026; newest record dated Nov. 19, 2026. DWR posts stockings after they happen and does not publish schedules.
John Lake Flat Creek stocking profile
- First record in the DWR report: Sept. 16, 2021. Since then DWR has logged 3 stockings here in 3 different years, 3,082 fish in all.
- Species stocked 2021 to 2026, by share of fish: cutthroat trout 100% (3,082 fish).
- Stocked fish averaged 2.0 in. from 2021 to 2026 (per-record averages ranged from 1.9 to 2.3 in.).
- Fish stocked 2021 to 2026: 3,082, the 21st most of 23 stocked waters in Iron County and 547th of 1,076 statewide.
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
When is John Lake Flat Creek stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 3 of those 5 years.
In past years, stocking here had usually started by this time of year (3 of the last 5 years). No stocking has been recorded here yet in 2026.
DWR does not publish stocking schedules. This is past stocking, not a promise. How we read patterns.
John Lake Flat Creek stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2023 | 1 | 1,090 | 1.9 in. | Cutthroat trout |
| 2022 | 1 | 992 | 2.0 in. | Cutthroat trout |
| 2021 | 1 | 1,000 | 2.2 in. | Cutthroat trout |
All stocking records 2021 to Nov. 10, 2025 (3)
| Sept. 11, 2023 | Cutthroat trout | 1,090 | 1.9 in. |
| Sept. 12, 2022 | Cutthroat trout | 992 | 2.0 in. |
| Sept. 16, 2021 | Cutthroat trout | 1,000 | 2.3 in. |
Fishing rules
No water-specific entry for John Lake Flat Creek in the 2026 guidebook: statewide limits apply unless a group entry (such as a drainage) covers it.
From the 2026 Utah Fishing Guidebook, in our own words. Rules can change mid-year: check wildlife.utah.gov/guidebooks before fishing.
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John Lake Flat Creek questions
When is John Lake Flat Creek stocked?
DWR does not publish stocking schedules. Past records show John Lake Flat Creek was stocked in mid September (3 of the last 5 years). The most recent stocking in the DWR report is dated Sept. 11, 2023.
What fish are in John Lake Flat Creek?
Since 2021 DWR has stocked cutthroat trout.
Stocking: Utah DWR fish stocking report, fetched Nov. 10, 2026. Location: Utah DWR, USGS NHD. Rules: 2026 Utah Fishing Guidebook. Page built Nov. 10, 2026. Found an error? Tell us. Verify rules with DWR before fishing.