Blue Lake (San Juan County) fishing
Blue Lake was last stocked on June 1, 2026 with 806 rainbow trout (10.4 in. average), according to the Utah DWR fish stocking report. It is a lake in San Juan County, Utah. From 2021 to 2026, DWR stocked 4,878 fish here, the 12th most of 16 stocked waters in San Juan County.
Recent stockings at Blue Lake
- June 1, 2026806 rainbow trout, 10.4 in. average
- June 18, 2025811 rainbow trout, 10.3 in. average
- July 9, 2024810 rainbow trout, 9.7 in. average
- July 18, 2023802 rainbow trout, 9.9 in. average
- June 28, 2022809 rainbow trout, 10.2 in. average
- July 8, 2021840 rainbow trout, 10.5 in. average
Newest first, from the Utah DWR stocking report. Full stocking history.
Blue Lake facts
- Last stocked
- June 1, 2026 (162 days ago): 806 rainbow trout
- Stockings in 2026
- 1 (806 fish): 806 rainbow trout
- County
- San Juan County
- Stocked since 2021
- rainbow trout
- Average size stocked
- 10.2 in. (2021 to 2026)
- County rank
- 12th most fish of 16 stocked waters in San Juan County since 2021
- Name in DWR report
- BLUE L
- Nearest water
- Dark Canyon Lake, 1.2 mi
- Rules
- Statewide rules (no water-specific entry in the 2026 guidebook)
Blue Lake stocking report, last 12 months
| June 1, 2026 | Rainbow trout | 806 | 10.4 in. |
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.
Blue Lake stocking profile
- First record in the DWR report: June 3, 2002. Since then DWR has logged 32 stockings here in 25 different years, 21,704 fish in all.
- Species stocked 2021 to 2026, by share of fish: rainbow trout 100% (4,878 fish).
- Busiest months in the record: June (53% of records) and July (47% of records).
- Stocked fish averaged 10.2 in. from 2021 to 2026 (per-record averages ranged from 9.7 to 10.5 in.).
- Fish stocked 2021 to 2026: 4,878, the 12th most of 16 stocked waters in San Juan County and 454th of 1,076 statewide.
- Nearest other water with a page: Dark Canyon Lake, 1.2 mi away.
- Other water with this name: Blue Lake in Sanpete County, 130.2 mi away. DWR lists them as separate waters (DWR water ids I426 and I436).
- Other water with this name: Blue Lake in Garfield County, 131 mi away. DWR lists them as separate waters (DWR water ids I426 and I298).
- Other water with this name: Blue Lake (NCL) in Garfield County, 146.9 mi away. DWR lists them as separate waters (DWR water ids I426 and I297).
- Other water with this name: Blue Lake (A-5) in Summit County, 177.5 mi away. DWR lists them as separate waters (DWR water ids I426 and V542).
Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.
When is Blue Lake stocked?
Based on DWR stocking records, 2021 to 2025. Stocked in 5 of those 5 years.
2025 stocking: 1 record, first on June 18.
DWR does not publish stocking schedules. This is past stocking, not a promise. How we read patterns.
Blue Lake stocking history by year
| Year | Records | Fish | Avg. length | Species |
|---|---|---|---|---|
| 2026 | 1 | 806 | 10.4 in. | Rainbow trout |
| 2025 | 1 | 811 | 10.3 in. | Rainbow trout |
| 2024 | 1 | 810 | 9.7 in. | Rainbow trout |
| 2023 | 1 | 802 | 9.9 in. | Rainbow trout |
| 2022 | 1 | 809 | 10.2 in. | Rainbow trout |
| 2021 | 1 | 840 | 10.5 in. | Rainbow trout |
| 2020 | 1 | 804 | 10.1 in. | Rainbow trout |
| 2019 | 1 | 1,017 | 10.3 in. | Rainbow trout |
| 2018 | 1 | 1,000 | 10.7 in. | Rainbow trout |
| 2017 | 2 | 1,003 | 10.0 in. | Rainbow trout |
| 2016 | 2 | 1,005 | 10.3 in. | Rainbow trout |
| 2015 | 2 | 1,038 | 9.2 in. | Rainbow trout |
| 2014 | 2 | 1,011 | 8.7 in. | Rainbow trout |
| 2013 | 2 | 975 | 8.7 in. | Rainbow trout |
| 2012 | 2 | 1,000 | 10.4 in. | Rainbow trout |
| 2011 | 1 | 1,000 | 10.9 in. | Rainbow trout |
| 2010 | 2 | 1,049 | 10.4 in. | Rainbow trout |
| 2009 | 1 | 1,001 | 10.1 in. | Rainbow trout |
| 2008 | 1 | 630 | 10.2 in. | Rainbow trout |
| 2007 | 1 | 630 | 10.4 in. | Rainbow trout |
| 2006 | 1 | 630 | 10.4 in. | Rainbow trout |
| 2005 | 1 | 631 | 10.3 in. | Rainbow trout |
| 2004 | 1 | 800 | 10.7 in. | Rainbow trout |
| 2003 | 1 | 801 | 9.6 in. | Rainbow trout |
| 2002 | 1 | 801 | 10.4 in. | Rainbow trout |
All stocking records 2021 to Nov. 10, 2025 (5)
| June 18, 2025 | Rainbow trout | 811 | 10.3 in. |
| July 9, 2024 | Rainbow trout | 810 | 9.7 in. |
| July 18, 2023 | Rainbow trout | 802 | 9.9 in. |
| June 28, 2022 | Rainbow trout | 809 | 10.2 in. |
| July 8, 2021 | Rainbow trout | 840 | 10.5 in. |
Fishing rules
No water-specific entry for Blue Lake 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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Blue Lake questions
When is Blue Lake stocked?
DWR does not publish stocking schedules. Past records show Blue Lake was stocked in late June to early July (3 of the last 5 years). The most recent stocking in the DWR report is dated June 1, 2026.
What fish are in Blue Lake?
Since 2021 DWR has stocked rainbow 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.