Newcastle Reservoir Fishing and Stocking
Iron County, Utah. The Utah Division of Wildlife Resources lists 1 stocking here in the latest year of its data (Rainbow Trout), the most recent on Sep 21, 2026. Stocked in July and September in two or more years.
2026 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| Sep 21, 2026 | Rainbow Trout | 2,500 | 9.64 in |
2025 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| Oct 2, 2025 | Rainbow Trout | 4,060 | 7.52 in |
| Sep 30, 2025 | Rainbow Trout | 8,120 | 7.52 in |
| Sep 24, 2025 | Rainbow Trout | 8,178 | 7.52 in |
| Sep 16, 2025 | Hybrid Striped Bass | 2,999 | 2.4 in |
| Jul 30, 2025 | Hybrid Striped Bass | 2,000 | 2.57 in |
| Jul 2, 2025 | Brown Trout | 4,238 | 5.45 in |
2024 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| Sep 25, 2024 | Rainbow Trout | 20,002 | 7.03 in |
| Jul 17, 2024 | Hybrid Striped Bass | 2,160 | 2.04 in |
| May 13, 2024 | Black Crappie | 1,041 | 8.36 in |
Other Stocked Waters in Iron 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 “NEWCASTLE RES”. The full name is from the Utah Division of Wildlife Resources's own list of waters ↗. 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.