Newcastle Reservoir Fishing Regulations
Iron County, Utah · 2026 size limits, bag limits, and seasons
Newcastle Reservoir is a reservoir in Iron County, Utah. It has its own fishing regulations for 2 species, including Hybrid Striped Bass and Wiper, set separately for 2 sections of the reservoir. These rules replace Utah's statewide limits on this water.
Map of Newcastle Reservoir
Fish with special rules on Newcastle Reservoir
Tap a fish for identification tips, size records, and the best bait.
Newcastle Reservoir limits by species (2026)
Entire reservoir
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
 Hybrid Striped Bass | – | 2 | Year-round |
Entire reservoir
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
 Wiper | – | 2 | Year-round |
– means no limit is listed for this water. Rules not shown here follow Utah's statewide regulations.
Plan your Newcastle Reservoir trip
Newcastle Reservoir fishing: common questions
What fish have special regulations on Newcastle Reservoir?
2 species have rules specific to Newcastle Reservoir: Hybrid Striped Bass and Wiper.
What is the hybrid striped bass limit on Newcastle Reservoir?
No size limit is listed for Hybrid Striped Bass on Newcastle Reservoir (entire reservoir), and the daily bag limit is 2.
What is the wiper limit on Newcastle Reservoir?
No size limit is listed for Wiper on Newcastle Reservoir (entire reservoir), and the daily bag limit is 2.
Do Utah statewide fishing rules apply on Newcastle Reservoir?
Where Newcastle Reservoir has its own rule for a species, that rule replaces the statewide limit. For species not listed on this page, Utah's statewide regulations apply. Regulations are set by the Utah Division of Wildlife Resources; confirm with the official 2026 regulations before keeping a fish.
Other Utah waters with special regulations
- Logan River · Cache
- Green River · Carbon, Daggett, Emery, Grand, San Juan, Uintah and Wayne
- Flaming Gorge Reservoir · Daggett
- Provo River · Summit, Utah and Wasatch
- Calder Reservoir · Uintah
- Kolob Reservoir · Washington
- Lake Powell · Garfield, Kane and San Juan
- Weber River · Summit
- Fish Lake · Sevier
- Minersville Reservoir · Beaver
- Panguitch Lake · Garfield
- Hobbs Reservoir · Davis
Take Newcastle Reservoir rules on the water
Identify your catch, check if it's a keeper, and log it. CatchVault is on iOS, with Android on the way.