Maple Grove Springs fishing

Maple Grove Springs was last stocked on Sept. 24, 2026 with 200 rainbow trout (9.9 in. average), according to the Utah DWR fish stocking report. It is a river or stream in Millard County, Utah. From 2021 to 2026, DWR stocked 6,912 fish here, the 3rd most of 8 stocked waters in Millard County.

Millard County

Stocking data fetched Nov. 10, 2026.

Last stockedSept. 24, 202647 days ago, rainbow trout

Fish stocked in 20261,0535 records

Records since 202128History back to 2002

Stocked species1rainbow trout

Recent stockings at Maple Grove Springs

Sept. 24, 2026200 rainbow trout, 9.9 in. average
July 20, 2026247 rainbow trout, 10.2 in. average
June 10, 2026203 rainbow trout, 9.5 in. average
May 14, 2026203 rainbow trout, 9.5 in. average
April 16, 2026200 rainbow trout, 9.8 in. average
Aug. 27, 2025287 rainbow trout, 9.5 in. average

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

Maple Grove Springs facts

Last stocked: Sept. 24, 2026 (47 days ago): 200 rainbow trout
Stockings in 2026: 5 (1,053 fish): 1,053 rainbow trout
County: Millard County
Stocked since 2021: rainbow trout
Average size stocked: 10.2 in. (2021 to 2026)
County rank: 3rd most fish of 8 stocked waters in Millard County since 2021
Name in DWR report: MAPLE GROVE SPRINGS
Rules: Statewide rules (no water-specific entry in the 2026 guidebook)

Maple Grove Springs stocking report, last 12 months

Maple Grove Springs: DWR stocking records since Nov. 10, 2025, newest first.

Sept. 24, 2026	Rainbow trout	200	9.9 in.
July 20, 2026	Rainbow trout	247	10.2 in.
June 10, 2026	Rainbow trout	203	9.5 in.
May 14, 2026	Rainbow trout	203	9.5 in.
April 16, 2026	Rainbow trout	200	9.8 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.

Maple Grove Springs stocking profile

First record in the DWR report: May 13, 2002. Since then DWR has logged 106 stockings here in 25 different years, 75,847 fish in all.
Species stocked 2021 to 2026, by share of fish: rainbow trout 100% (6,912 fish).
Busiest months in the record: June (26% of records) and July (25% of records).
Stocked fish averaged 10.2 in. from 2021 to 2026 (per-record averages ranged from 9.5 to 12.2 in.).
Fish stocked 2021 to 2026: 6,912, the 3rd most of 8 stocked waters in Millard County and 391st 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 Maple Grove Springs stocked?

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

late March to early Aprilstocked in 3 of the last 5 years, mostly rainbow trout.

early to mid Maystocked in 4 of the last 5 years, mostly rainbow trout.

late Junestocked in 4 of the last 5 years, mostly rainbow trout.

mid Julystocked in 3 of the last 5 years, mostly rainbow trout.

late July to early Auguststocked in 3 of the last 5 years, mostly rainbow trout.

2025 stocking: 5 records, first on May 19, last on Aug. 27.

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.

Maple Grove Springs stocking history by year

Maple Grove Springs: 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	5	1,053	9.8 in.	Rainbow trout
2025	5	1,162	10.0 in.	Rainbow trout
2024	4	1,025	10.0 in.	Rainbow trout
2023	5	1,015	10.5 in.	Rainbow trout
2022	4	1,123	10.8 in.	Rainbow trout
2021	5	1,534	10.3 in.	Rainbow trout
2020	5	1,005	10.3 in.	Rainbow trout
2019	4	3,504	10.1 in.	Rainbow trout
2018	4	3,855	9.4 in.	Rainbow trout
2017	4	3,825	9.6 in.	Rainbow trout
2016	4	3,823	10.1 in.	Rainbow trout
2015	4	3,834	8.9 in.	Rainbow trout
2014	4	3,849	8.7 in.	Rainbow trout
2013	4	3,640	9.0 in.	Rainbow trout
2012	4	3,826	10.5 in.	Rainbow trout
2011	4	3,943	10.6 in.	Rainbow trout
2010	4	4,671	10.3 in.	Rainbow trout
2009	4	4,553	10.3 in.	Rainbow trout
2008	4	4,913	10.3 in.	Rainbow trout
2007	5	4,505	10.4 in.	Rainbow trout
2006	3	2,348	10.3 in.	Rainbow trout
2005	3	2,344	10.0 in.	Rainbow trout
2004	2	1,504	10.1 in.	Rainbow trout
2003	6	4,456	10.1 in.	Rainbow trout
2002	6	4,537	10.2 in.	Rainbow trout

All stocking records 2021 to Nov. 10, 2025 (23)

Maple Grove Springs: DWR stocking records 2021 to Nov. 10, 2025.

Aug. 27, 2025	Rainbow trout	287	9.5 in.
July 31, 2025	Rainbow trout	200	10.7 in.
July 14, 2025	Rainbow trout	249	9.7 in.
June 18, 2025	Rainbow trout	200	10.2 in.
May 19, 2025	Rainbow trout	226	10.2 in.
July 11, 2024	Rainbow trout	324	9.7 in.
June 27, 2024	Rainbow trout	200	9.9 in.
May 15, 2024	Rainbow trout	301	10.2 in.
March 27, 2024	Rainbow trout	200	9.9 in.
Aug. 14, 2023	Rainbow trout	176	10.8 in.
July 18, 2023	Rainbow trout	201	10.6 in.
June 27, 2023	Rainbow trout	210	9.9 in.
May 23, 2023	Rainbow trout	198	10.8 in.
May 3, 2023	Rainbow trout	230	10.6 in.
July 28, 2022	Rainbow trout	340	10.9 in.
June 28, 2022	Rainbow trout	291	10.1 in.
May 26, 2022	Rainbow trout	300	11.7 in.
April 7, 2022	Rainbow trout	192	10.1 in.
Aug. 2, 2021	Rainbow trout	210	10.1 in.
July 7, 2021	Rainbow trout	384	9.9 in.
June 21, 2021	Rainbow trout	456	10.0 in.
May 10, 2021	Rainbow trout	260	12.2 in.
April 8, 2021	Rainbow trout	224	9.5 in.

Fishing rules

No water-specific entry for Maple Grove Springs 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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Maple Grove Springs questions

When is Maple Grove Springs stocked?

DWR does not publish stocking schedules. Past records show Maple Grove Springs was stocked in late March to early April (3 of the last 5 years), early to mid May (4 of the last 5 years), late June (4 of the last 5 years), mid July (3 of the last 5 years) and late July to early August (3 of the last 5 years). The most recent stocking in the DWR report is dated Sept. 24, 2026.

What fish are in Maple Grove Springs?

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.