Wasatch County · reservoir · 19 acres
Mill Hollow Reservoir
Stocked 10× on record · Utah DWR
Mill Hollow Reservoir is a reservoir in Wasatch County, Utah, stocked with Brook Trout, Brook Trout, Rainbow Trout and Rainbow Trout — most recently on Jul 21, 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
76°
51°
13 mph
5%
Fri
Overcast
80°
58°
13 mph
1%
Sat
Overcast
84°
60°
13 mph
0%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| Jul 21 | Rainbow Trout | 500 | 9.98" | |
| Jul 6 | Rainbow Trout | 501 | 10.54" | |
| Jul 6 | Tiger Trout | 3,335 | 3.35" | |
| Jul 6 | Tiger Trout | 515 | 3.27" | |
| Jul 6 | Brook Trout | 1,503 | 2.97" | |
| Jun 23 | Rainbow Trout | 801 | 11.22" | |
| Jun 17 | Rainbow Trout | 599 | 11.49" | |
| Jun 3 | Rainbow Trout | 800 | 12.03" | |
| May 13 | Rainbow Trout | 506 | 10.33" | |
| May 13 | Rainbow Trout | 365 | 11.02" | |
When does Mill Hollow Reservoir get stocked?
Going by 10 records since 2026, stocking here peaks in July.
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 brook trout → · All Utah waters with brook trout →
Nearby waters
- Yellow Lake1.9 mi
- Little West Fork3.4 mi
- Heart Lake2.9 mi
- Little South Fork Provo River4.6 mi
- South Fork Provo River5.0 mi
- Vat Creek5.4 mi
- North Fork Provo River7.2 mi
- Soapstone Creek6.9 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.
Mill Hollow Reservoir fishing — FAQ
What fish are stocked in Mill Hollow Reservoir?+
Mill Hollow Reservoir is stocked with Brook Trout, Brook Trout, Rainbow Trout and Rainbow Trout in Wasatch County, Utah, most recently on Jul 21, 2026 by Utah DWR. The full stocking ledger is on this page.
When does Mill Hollow Reservoir get stocked?+
Going by 10 records since 2026, stocking at Mill Hollow Reservoir peaks in July. Check this page for the season's scheduled and most recent stockings.
Do I need a license to fish Mill Hollow 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 Mill Hollow Reservoir?+
Mill Hollow Reservoir is a reservoir in Wasatch County, Utah. Driving directions and an interactive topo map are on this page.
Data: Utah DWR · updated Jul 21, 2026 · checked daily · we publish what agencies publish, nothing else.