Grassy Lake Reservoir Fishing and Stocking
Sanpete County, Utah. The Utah Division of Wildlife Resources lists 5 stockings here in the latest year of its data (Rainbow Trout and Tiger Trout), the most recent on Aug 3, 2026. Stocked in June and July in two or more years.
2026 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| Aug 3, 2026 | Rainbow Trout | 513 | 10.68 in |
| Jul 20, 2026 | Rainbow Trout | 499 | 10.28 in |
| Jul 8, 2026 | Rainbow Trout | 500 | 10.77 in |
| Jun 16, 2026 | Rainbow Trout | 994 | 9.63 in |
| May 12, 2026 | Tiger Trout | 2,860 | 2.96 in |
2025 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| Jul 17, 2025 | Rainbow Trout | 872 | 11.07 in |
| Jun 10, 2025 | Rainbow Trout | 1,008 | 9.87 in |
| Jun 10, 2025 | Tiger Trout | 2,530 | 2.96 in |
2024 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| Sep 10, 2024 | Rainbow Trout | 500 | 10.77 in |
| Jul 31, 2024 | Tiger Trout | 2,489 | 4.27 in |
| Jul 17, 2024 | Rainbow Trout | 501 | 9.41 in |
| Jul 3, 2024 | Rainbow Trout | 500 | 10.96 in |
| Jun 18, 2024 | Rainbow Trout | 500 | 10.77 in |
Other Stocked Waters in Sanpete 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 “GRASSY LAKE RES”. 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.