Blanding Reservoir No. 3 fishing

Blanding Reservoir No. 3 was last stocked on Sept. 22, 2026 with 1,610 rainbow trout (9.6 in. average), according to the Utah DWR fish stocking report. It is a reservoir in San Juan County, Utah. From 2021 to 2026, DWR stocked 23,383 fish here, the 6th most of 16 stocked waters in San Juan County.

San Juan County

Stocking data fetched Nov. 10, 2026.

Last stockedSept. 22, 202649 days ago, rainbow trout

Fish stocked in 20264,6103 records

Records since 202119History back to 2002

Stocked species1rainbow trout

Recent stockings at Blanding Reservoir No. 3

Sept. 22, 20261,610 rainbow trout, 9.6 in. average
May 18, 20261,500 rainbow trout, 10.1 in. average
April 7, 20261,500 rainbow trout, 10.9 in. average
Aug. 27, 20251,602 rainbow trout, 9.3 in. average
May 19, 2025756 rainbow trout, 10.2 in. average
April 14, 2025810 rainbow trout, 9.8 in. average

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

Blanding Reservoir No. 3 facts

Last stocked: Sept. 22, 2026 (49 days ago): 1,610 rainbow trout
Stockings in 2026: 3 (4,610 fish): 4,610 rainbow trout
County: San Juan County
Stocked since 2021: rainbow trout
Average size stocked: 10.1 in. (2021 to 2026)
County rank: 6th most fish of 16 stocked waters in San Juan County since 2021
Name in DWR report: BLANDING RES NO 3
Nearest water: Blanding Reservoir No. 4, 0.6 mi
Rules: Statewide rules (no water-specific entry in the 2026 guidebook)

Blanding Reservoir No. 3 stocking report, last 12 months

Blanding Reservoir No. 3: DWR stocking records since Nov. 10, 2025, newest first.

Sept. 22, 2026	Rainbow trout	1,610	9.6 in.
May 18, 2026	Rainbow trout	1,500	10.1 in.
April 7, 2026	Rainbow trout	1,500	10.9 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.

Blanding Reservoir No. 3 stocking profile

First record in the DWR report: April 10, 2002. Since then DWR has logged 85 stockings here in 25 different years, 112,288 fish in all.
Species stocked 2021 to 2026, by share of fish: rainbow trout 100% (23,383 fish).
Busiest months in the record: May (26% of records) and April (22% of records).
Stocked fish averaged 10.1 in. from 2021 to 2026 (per-record averages ranged from 9.3 to 10.9 in.).
Fish stocked 2021 to 2026: 23,383, the 6th most of 16 stocked waters in San Juan County and 213th of 1,076 statewide.
Nearest other water with a page: Blanding Reservoir No. 4, 0.6 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 Blanding Reservoir No. 3 stocked?

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

mid to late Marchstocked in 3 of the last 5 years, mostly rainbow trout.

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

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

late August to early Septemberstocked in 3 of the last 5 years, mostly rainbow trout.

2025 stocking: 4 records, first on March 24, 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.

Blanding Reservoir No. 3 stocking history by year

Blanding Reservoir No. 3: 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	3	4,610	10.2 in.	Rainbow trout
2025	4	4,683	9.9 in.	Rainbow trout
2024	4	4,622	10.1 in.	Rainbow trout
2023	4	4,603	10.0 in.	Rainbow trout
2022	1	1,507	10.4 in.	Rainbow trout
2021	3	3,358	10.3 in.	Rainbow trout
2020	4	4,608	10.2 in.	Rainbow trout
2019	4	4,617	10.4 in.	Rainbow trout
2018	3	3,855	10.2 in.	Rainbow trout
2017	4	4,588	9.6 in.	Rainbow trout
2016	3	4,591	9.1 in.	Rainbow trout
2015	4	4,596	8.5 in.	Rainbow trout
2014	4	4,611	8.7 in.	Rainbow trout
2013	3	4,611	9.1 in.	Rainbow trout
2012	3	4,603	10.0 in.	Rainbow trout
2011	2	4,641	9.7 in.	Rainbow trout
2010	4	5,137	10.0 in.	Rainbow trout
2009	3	5,103	9.6 in.	Rainbow trout
2008	3	4,470	10.0 in.	Rainbow trout
2007	5	4,938	10.7 in.	Rainbow trout
2006	3	4,192	10.8 in.	Rainbow trout
2005	3	4,563	10.7 in.	Rainbow trout
2004	2	3,011	9.4 in.	Rainbow trout
2003	4	5,057	9.9 in.	Rainbow trout
2002	5	7,113	10.9 in.	Rainbow trout

All stocking records 2021 to Nov. 10, 2025 (16)

Blanding Reservoir No. 3: DWR stocking records 2021 to Nov. 10, 2025.

Aug. 27, 2025	Rainbow trout	1,602	9.3 in.
May 19, 2025	Rainbow trout	756	10.2 in.
April 14, 2025	Rainbow trout	810	9.8 in.
March 24, 2025	Rainbow trout	1,515	10.3 in.
Sept. 4, 2024	Rainbow trout	1,610	10.2 in.
May 13, 2024	Rainbow trout	731	10.5 in.
April 15, 2024	Rainbow trout	747	10.2 in.
March 18, 2024	Rainbow trout	1,534	9.8 in.
Aug. 28, 2023	Rainbow trout	1,599	9.8 in.
June 21, 2023	Rainbow trout	675	10.7 in.
May 16, 2023	Rainbow trout	793	10.0 in.
April 17, 2023	Rainbow trout	1,536	9.9 in.
May 2, 2022	Rainbow trout	1,507	10.4 in.
May 19, 2021	Rainbow trout	1,050	10.5 in.
April 26, 2021	Rainbow trout	1,145	10.5 in.
March 24, 2021	Rainbow trout	1,163	9.9 in.

Fishing rules

No water-specific entry for Blanding Reservoir No. 3 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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Blanding Reservoir No. 3 questions

When is Blanding Reservoir No. 3 stocked?

DWR does not publish stocking schedules. Past records show Blanding Reservoir No. 3 was stocked in mid to late March (3 of the last 5 years), mid April (3 of the last 5 years), mid May (4 of the last 5 years) and late August to early September (3 of the last 5 years). The most recent stocking in the DWR report is dated Sept. 22, 2026.

What fish are in Blanding Reservoir No. 3?

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.