Marys Lake fishing

Marys Lake was last stocked on July 8, 2026 with 800 rainbow trout (10.8 in. average), according to the Utah DWR fish stocking report. It is a lake in Sanpete County, Utah. From 2021 to 2026, DWR stocked 3,988 fish here, the 47th most of 71 stocked waters in Sanpete County.

Sanpete County

Stocking data fetched Nov. 10, 2026.

Last stockedJuly 8, 2026125 days ago, rainbow trout

Fish stocked in 20268001 record

Records since 20215History back to 2002

Stocked species1rainbow trout

Recent stockings at Marys Lake

July 8, 2026800 rainbow trout, 10.8 in. average
July 21, 2025798 rainbow trout, 10.3 in. average
July 17, 2024795 rainbow trout, 9.4 in. average
July 26, 2023800 rainbow trout, 10.0 in. average
July 19, 2022795 rainbow trout, 9.4 in. average
July 14, 2020800 rainbow trout, 10.9 in. average

Newest first, from the Utah DWR stocking report. Full stocking history.

Marys Lake facts

Last stocked: July 8, 2026 (125 days ago): 800 rainbow trout
Stockings in 2026: 1 (800 fish): 800 rainbow trout
County: Sanpete County
Stocked since 2021: rainbow trout
Average size stocked: 10.0 in. (2021 to 2026)
County rank: 47th most fish of 71 stocked waters in Sanpete County since 2021
Name in DWR report: MARYS L
Nearest water: Big Bear Creek, 2.7 mi
Rules: Statewide rules (no water-specific entry in the 2026 guidebook)

Marys Lake stocking report, last 12 months

Marys Lake: DWR stocking records since Nov. 10, 2025, newest first.

July 8, 2026	Rainbow trout	800	10.8 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.

Marys Lake stocking profile

First record in the DWR report: May 29, 2002. Since then DWR has logged 30 stockings here in 24 different years, 24,013 fish in all.
Species stocked 2021 to 2026, by share of fish: rainbow trout 100% (3,988 fish).
Busiest months in the record: July (47% of records) and June (30% of records).
Stocked fish averaged 10.0 in. from 2021 to 2026 (per-record averages ranged from 9.4 to 10.8 in.).
Fish stocked 2021 to 2026: 3,988, the 47th most of 71 stocked waters in Sanpete County and 499th of 1,076 statewide.
Nearest other water with a page: Big Bear Creek, 2.7 mi away.

Computed from Utah DWR stocking records (fish counts and average lengths as DWR reports them). Past stocking is history, not a schedule.

When is Marys Lake stocked?

Based on DWR stocking records, 2021 to 2025. Stocked in 4 of those 5 years.

mid to late Julystocked in 4 of the last 5 years, mostly rainbow trout.

2025 stocking: 1 record, first on July 21.

Years with a stocking in each third of the month, 2021 to 2025:012345

DWR does not publish stocking schedules. This is past stocking, not a promise. How we read patterns.

Marys Lake stocking history by year

Marys Lake: DWR stocking records per year. Fish counts are totals of all records that year; average length is weighted by the number of fish.
Year	Records	Fish	Avg. length	Species
2026	1	800	10.8 in.	Rainbow trout
2025	1	798	10.3 in.	Rainbow trout
2024	1	795	9.4 in.	Rainbow trout
2023	1	800	10.0 in.	Rainbow trout
2022	1	795	9.4 in.	Rainbow trout
2020	1	800	10.9 in.	Rainbow trout
2019	1	800	11.5 in.	Rainbow trout
2018	1	799	10.8 in.	Rainbow trout
2017	1	882	8.9 in.	Rainbow trout
2016	1	805	10.3 in.	Rainbow trout
2015	2	2,308	5.2 in.	Arctic grayling, Rainbow trout
2014	1	800	10.1 in.	Rainbow trout
2013	2	803	11.8 in.	Rainbow trout
2012	1	801	9.5 in.	Rainbow trout
2011	2	1,304	7.8 in.	Brook trout, Rainbow trout
2010	2	983	2.4 in.	Arctic grayling, Brook trout
2009	2	1,007	2.3 in.	Arctic grayling, Brook trout
2008	2	1,499	7.5 in.	Brook trout, Rainbow trout
2007	1	941	9.7 in.	Rainbow trout
2006	1	940	10.0 in.	Rainbow trout
2005	1	938	10.3 in.	Rainbow trout
2004	1	1,209	9.4 in.	Rainbow trout
2003	1	1,204	9.3 in.	Rainbow trout
2002	1	1,202	9.5 in.	Rainbow trout

All stocking records 2021 to Nov. 10, 2025 (4)

Marys Lake: DWR stocking records 2021 to Nov. 10, 2025.

July 21, 2025	Rainbow trout	798	10.3 in.
July 17, 2024	Rainbow trout	795	9.4 in.
July 26, 2023	Rainbow trout	800	10.0 in.
July 19, 2022	Rainbow trout	795	9.4 in.

Fishing rules

No water-specific entry for Marys 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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Marys Lake questions

When is Marys Lake stocked?

DWR does not publish stocking schedules. Past records show Marys Lake was stocked in mid to late July (4 of the last 5 years). The most recent stocking in the DWR report is dated July 8, 2026.

What fish are in Marys Lake?

Since 2021 DWR has stocked rainbow trout.

Sources

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.