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Butterfly L Z-1 Fishing and Stocking

Duchesne County, Utah. The Utah Division of Wildlife Resources lists 16 stockings here in the latest year of its data (Brook Trout, Rainbow Trout and Tiger Trout), the most recent on Sep 22, 2026. Stocked in June, July, August and September in two or more years.

2026 Stocking

DateSpeciesFishSize
Sep 22, 2026Tiger Trout24812.01 in
Aug 31, 2026Rainbow Trout20111.24 in
Aug 24, 2026Rainbow Trout20111.24 in
Aug 12, 2026Rainbow Trout25010.77 in
Aug 3, 2026Rainbow Trout30010.5 in
Jul 27, 2026Rainbow Trout30010.77 in
Jul 20, 2026Rainbow Trout30010.77 in
Jul 16, 2026Rainbow Trout30010.77 in
Jul 14, 2026Tiger Trout29711.67 in
Jul 8, 2026Rainbow Trout14910.98 in
Jun 29, 2026Rainbow Trout30010.5 in
Jun 24, 2026Rainbow Trout6029.82 in
Jun 24, 2026Brook Trout4962.99 in
Jun 10, 2026Rainbow Trout30210.14 in
Jun 8, 2026Rainbow Trout30010.14 in
Jun 3, 2026Tiger Trout2989.89 in

2025 Stocking

DateSpeciesFishSize
Sep 4, 2025Rainbow Trout30110.96 in
Sep 2, 2025Rainbow Trout30012.77 in
Aug 14, 2025Tiger Trout25011.26 in
Aug 11, 2025Rainbow Trout31212.44 in
Aug 4, 2025Rainbow Trout15012.95 in
Jul 29, 2025Rainbow Trout35112.44 in
Jul 21, 2025Rainbow Trout35010.77 in
Jul 14, 2025Rainbow Trout35210.44 in
Jul 11, 2025Brook Trout1,3593.6 in
Jul 10, 2025Tiger Trout30011.08 in
Jul 9, 2025Rainbow Trout35010.77 in
Jul 7, 2025Rainbow Trout35010.77 in
Jun 25, 2025Tiger Trout29811.08 in
Jun 24, 2025Rainbow Trout34810.14 in
Jun 17, 2025Rainbow Trout27710.6 in

2024 Stocking

DateSpeciesFishSize
Oct 21, 2024Tiger Trout28012.13 in
Aug 28, 2024Rainbow Trout30911.02 in
Aug 14, 2024Rainbow Trout31110.28 in
Aug 12, 2024Tiger Trout21310.55 in
Aug 5, 2024Rainbow Trout31110.28 in
Jul 31, 2024Tiger Trout31810.56 in
Jul 29, 2024Rainbow Trout32210.28 in
Jul 23, 2024Rainbow Trout29910.28 in
Jul 15, 2024Rainbow Trout30010 in
Jul 15, 2024Tiger Trout30610.21 in
Jul 8, 2024Tiger Trout30010 in
Jul 8, 2024Rainbow Trout32510 in
Jul 3, 2024Tiger Trout30010 in
Jul 2, 2024Rainbow Trout30010 in
Jun 20, 2024Tiger Trout3029.87 in
Jun 19, 2024Rainbow Trout29912.25 in

Other Stocked Waters in Duchesne County

About This Data

Every row comes from the stocking information published by the Utah Division of Wildlife Resources, checked Nov 3, 2026. The agency lists this water as “BUTTERFLY L Z-1”. Species and sizes are given as the agency names them; a dash means the agency does not say.

More for Utah Anglers

Stocking dates and places can change without notice; check with the agency before a trip. ReelTourney is not affiliated with the Utah Division of Wildlife Resources.