Butterfly Lake Z-1
Fishing and stocking
Rainbow trout, tiger trout, and brook trout water, stocked 16 times in 2026, monthly June through September, heaviest in June; 4,844 fish reported. One of 106 stocked waters on the Duchesne County record.
Duchesne County · Utah · see it on the national map
The year here
stocked last 7 days announced ahead · tap a tick for details
What swims here
Rainbow trout
Tiger trout
Brook trout
Stocking record 2026
Agency feed checked today.
| Date | Species | Size | Fish | Status |
|---|---|---|---|---|
| Jun 3 | Tiger trout | yearling | 298 | completed |
| Jun 8 | Rainbow trout | adult | 300 | completed |
| Jun 10 | Rainbow trout | adult | 302 | completed |
| Jun 24 | Rainbow trout | yearling | 602 | completed |
| Jun 24 | Brook trout | fingerling | 496 | completed |
| Jun 29 | Rainbow trout | adult | 300 | completed |
| Jul 8 | Rainbow trout | adult | 149 | completed |
| Jul 14 | Tiger trout | adult | 297 | completed |
| Jul 16 | Rainbow trout | adult | 300 | completed |
| Jul 20 | Rainbow trout | adult | 300 | completed |
| Jul 27 | Rainbow trout | adult | 300 | completed |
| Aug 3 | Rainbow trout | adult | 300 | completed |
| Aug 12 | Rainbow trout | adult | 250 | completed |
| Aug 24 | Rainbow trout | adult | 201 | completed |
| Aug 31 | Rainbow trout | adult | 201 | completed |
| Sep 22 | Tiger trout | adult | 248 | completed |
When to fish Butterfly Lake Z-1
| Major periods (~2 h) | Minor periods (~1 h) | |
|---|---|---|
| Today | 10:05 am-12:05 pm and 10:27 pm-12:27 am | 4:23-5:23 am and 4:35-5:35 pm |
| Tomorrow | 10:51 am-12:51 pm | 5:32-6:32 am and 4:59-5:59 pm |
Moon: waxing gibbous, 93% lit. These are solunar periods, the traditional feeding-time theory: majors around the moon's transit overhead and underfoot, minors around moonrise and moonset. Theory, not a measurement. Times are Mountain Time (MDT).
What the record actually says
- Last stocked Sep 22
Computed this evening, Oct 23 · Utah fishing forecast
Gear for this water
The last plant has had time to disperse; work outward from the obvious spots.
For the trout (rainbow trout stocked 12 times here in 2026, stillwater)
| Ultralight spinning rod | 6 to 7 ft ultralight, 4 lb line; long casts from the bank |
| Dough bait rigs | floating dough bait 18 inches above a small egg sinker; hatchery fish know the smell |
| Casting spoons | 1/8 to 1/4 oz in fluorescent or metallic; count down until you find the depth |
Suggestions follow from what the state actually stocks here and what kind of water it is, nothing else. No sponsored placements.
Nearby stocked waters
The closest waters with stocking pages of their own, straight-line miles from this one.
| Water | Distance | Most recent |
|---|---|---|
| Bud Lake Z-2 | 0.3 mi | Jul 24 |
| Castle Lake D-14 | 0.5 mi | Sep 21 |
| Bonnie Lake Z-6 | 1.0 mi | Jul 24 |
| Scout Lake Z-12 | 1.0 mi | Jul 8 |
| D-19 | 1.0 mi | Jul 24 |
Follow Duchesne County stocking: RSS / Calendar (iCal) / Print the schedule