Duchesne County · Utah
Butterfly L Z-1 Trout Stocking Schedule & Alerts
Feed freshness
Latest: August 31, 2026
Page data last checked or changed
- Fish recorded
- 4,745
- Stocking batches
- 16
- Stocking days
- 14
- Days since latest
- 13
Recorded pattern
How often has Butterfly L Z-1 been stocked?
The indexed history contains 16 reported batches across 14 distinct stocking days, totaling 4,745 trout.
Distinct stocking dates were about 7 days apart on average across the indexed period.
The record spans through . Agency reporting can lag field work and may later be corrected.
Indexed totals by year
- 2026
- 4,745 fish · 16 batches
Species mix
Share of fish in this water's indexed trout records.
Fish per reported batch, oldest to newest (up to 12 batches).
Dates and quantities
Recent and historical stockings
| Date stocked | Species | Fish | Avg. length |
|---|---|---|---|
| Rainbow trout | 201 | 11.24 in | |
| Rainbow trout | 201 | 11.24 in | |
| Rainbow trout | 250 | 10.77 in | |
| Rainbow trout | 300 | 10.50 in | |
| Rainbow trout | 300 | 10.77 in | |
| Rainbow trout | 300 | 10.77 in | |
| Rainbow trout | 300 | 10.77 in | |
| Tiger trout | 297 | 11.67 in | |
| Rainbow trout | 149 | 10.98 in | |
| Rainbow trout | 149 | 10.98 in | |
| Rainbow trout | 300 | 10.50 in | |
| Rainbow trout | 602 | 9.82 in | |
| Brook trout | 496 | 2.99 in | |
| Rainbow trout | 302 | 10.14 in | |
| Rainbow trout | 300 | 10.14 in | |
| Tiger trout | 298 | 9.89 in |
Nearest indexed stocking alternatives
Ordered by same or neighboring county, then by latest stocking. Utah DWR does not include coordinates in this feed, so this is not a mileage or drive-time estimate.
Mirror L Z-3
13,904 fish in 15 reported batches; latest August 31, 2026.
Pass L Z-5
4,497 fish in 13 reported batches; latest August 31, 2026.
Moosehorn L Z-4
3,338 fish in 11 reported batches; latest August 17, 2026.
Upper Stillwater Res
11,084 fish in 3 reported batches; latest August 12, 2026.
Rock Cr, S Fk
3,370 fish in 1 reported batch; latest August 12, 2026.
Not enough history for a standalone page yet.
Common questions
Butterfly L Z-1 stocking FAQ
How often is Butterfly L Z-1 stocked with trout?
Across the indexed period, distinct Butterfly L Z-1 stocking dates were about 7 days apart on average. The record holds 16 reported batches across 14 distinct stocking days, totaling 4,745 fish.
When was Butterfly L Z-1 last stocked?
Utah DWR last reported 201 Rainbow trout at Butterfly L Z-1 on August 31, 2026. This reflects a completed stocking record, not a promised future schedule, and agency reporting can lag field work.
What trout species are stocked in Butterfly L Z-1?
The indexed records for Butterfly L Z-1 include Rainbow trout, Tiger trout and Brook trout. The most-stocked is Rainbow trout at about 77% of stocked fish.
Can I get an alert when Butterfly L Z-1 is stocked?
Yes. TroutNotify emails you when Utah DWR reports a new Butterfly L Z-1 stocking. Add the water to your watchlist and you are notified as the feed updates.
Where does this Butterfly L Z-1 stocking data come from?
Every figure is derived from the Utah Division of Wildlife Resources Fish Stocking Report, the official public source. You can verify each batch against the DWR report linked on this page.
Stocking alerts
Know when Butterfly L Z-1 gets stocked next.
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Totals are calculated from TroutNotify's imported Utah DWR trout rows. They may change when the agency adds or corrects its report. Stocking data does not replace fishing regulations or access guidance.