Box Elder County · reservoir · 515 acres
Mantua Reservoir
1 stocking on record · Utah DWR
Mantua Reservoir is a reservoir in Box Elder County, Utah, stocked with Bluegill, Green Sunfish, Largemouth Bass and Rainbow Trout — most recently on Feb 9, 2026. FishableWaters aggregates every stocking record for this water from Utah DWR; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Overcast
89°
62°
22 mph
20%
Fri
Clear
95°
70°
15 mph
0%
Sat
Overcast
98°
75°
15 mph
0%
→ pressure steadyStable weather — expect a normal bite.
Stocking ledger
| — 2026 — | ||||
| Feb 9 | Rainbow Trout | 5,000 | 9.82" | |
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
All Utah waters with bluegill → · All Utah waters with green sunfish →
Nearby waters
- Big Creek1.2 mi
- Stock Pond4.2 mi
- Perry Reservoir5.5 mi
- Baxter Pothole6.0 mi
- North Pond4.8 mistocked Jun 2, 2026
- South Pond4.8 mistocked Jun 30, 2026
- West Fork Little Bear River5.7 mi
- East Fork Little Bear River6.0 mi
Seasons, limits, and rules are the state's call — check the official UT regulations and buy your license before you go. We link the source; we never restate the rules.
Mantua Reservoir fishing — FAQ
What fish are stocked in Mantua Reservoir?+
Mantua Reservoir is stocked with Bluegill, Green Sunfish, Largemouth Bass and Rainbow Trout in Box Elder County, Utah, most recently on Feb 9, 2026 by Utah DWR. The full stocking ledger is on this page.
Do I need a license to fish Mantua Reservoir?+
Yes — Utah requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Mantua Reservoir?+
Mantua Reservoir is a reservoir in Box Elder County, Utah. Driving directions and an interactive topo map are on this page.
Data: Utah DWR · updated Feb 9, 2026 · checked daily · we publish what agencies publish, nothing else.