Iron County, UT
Newcastle Reservoir
ReservoirIron County, UT
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About this water
Newcastle Reservoir is a reservoir in Iron County, Utah. State records show it stocked 182 times between 2000 and 2026. The most-stocked species are rainbow trout, wiper and bear lake cutthroat trout, with 4 more on record. 761,597 rainbow trout have gone in across 139 releases.
Stocking history
182 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Sep 21, 2026 | Rainbow trout | 2,500 | 9.6" | — |
| Sep 21, 2026 | Rainbow trout | 2,500 | 9.6" | — |
| Oct 2, 2025 | Rainbow trout | 4,060 | 7.5" | — |
| Sep 30, 2025 | Rainbow trout | 8,120 | 7.5" | — |
| Sep 24, 2025 | Rainbow trout | 8,178 | 7.5" | — |
| Sep 16, 2025 | Wiper | 2,999 | 2.4" | — |
| Jul 30, 2025 | Wiper | 2,000 | 2.6" | — |
| Jul 2, 2025 | Brown trout | 4,238 | 5.5" | — |
| Sep 25, 2024 | Rainbow trout | 20,002 | 7.0" | — |
| Jul 17, 2024 | Wiper · Wiper, Bsst-F*Bswh-M | 2,160 | 2.0" | — |
| May 13, 2024 | Black crappie · Crappie, Black | 1,041 | 8.4" | — |
| Sep 20, 2023 | Rainbow trout | 8,769 | 6.8" | — |
Showing the 12 most recent of 182. Stocking records for Newcastle Reservoir published by Utah Division of Wildlife Resources. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Utah stocking report.
