Top fish species at Newcastle Reservoir
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Newcastle Reservoir fishing reports
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When are Largemouth Bass biting on Newcastle Reservoir?
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Fishing regulations at Newcastle Reservoir, UT
Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in Utah can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching Smallmouth bass as of April 25th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
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Bag limit
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Regulations for
FAQ about Newcastle Reservoir fishing
- Smallmouth bass - 126 members reported to have caught this fish
- Hybrid striped bass - 67 members reported to have caught this fish
- Largemouth bass - 53 members reported to have caught this fish
- @JMoshFishing reported a nice Smallmouth bass.
- @Basscatchingjit reported a nice Largemouth bass.
- @mikegreenoutdoors reported a nice Hybrid striped bass.
- @Westyn_Ormsby reported a nice Largemouth bass.
- @JMoshFishing reported a nice Largemouth bass.
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