Reservoir · Wasatch, Utah
Mill Hollow Reservoir
At a glance
- Area
- 8 ha (19 acres)
Who lives here
- Brook trout Salvelinus fontinalisStocked · 2024 · Fish stocking: Utah Division of Wildlife Resources (Fish Stocking Events)
- Rainbow trout Oncorhynchus mykissStocked · 2024 · Fish stocking: Utah Division of Wildlife Resources (Fish Stocking Events)
- Tiger trout Salmo trutta × Salvelinus fontinalisStocked · 2024 · Fish stocking: Utah Division of Wildlife Resources (Fish Stocking Events)
Not listed doesn't mean no fish.
Stocking
| Year | Species | Stage | Number |
|---|---|---|---|
| Sep 10, 2024 | Rainbow trout | 500 | |
| Aug 21, 2024 | Rainbow trout | 500 | |
| Aug 14, 2024 | Tiger trout | 1,520 | |
| Aug 5, 2024 | Rainbow trout | 500 | |
| Jul 22, 2024 | Rainbow trout | 501 | |
| Jul 10, 2024 | Brook trout | 1,530 | |
| Jul 10, 2024 | Tiger trout | 4,640 | |
| Jul 8, 2024 | Rainbow trout | 500 | |
| Jun 24, 2024 | Rainbow trout | 301 | |
| Jun 24, 2024 | Rainbow trout | 500 | |
| Jun 17, 2024 | Rainbow trout | 966 | |
| Jun 17, 2024 | Rainbow trout | 1,501 | |
| Sep 18, 2023 | Rainbow trout | 1,002 | |
| Aug 22, 2023 | Rainbow trout | 500 | |
| Aug 16, 2023 | Rainbow trout | 500 | |
| Jul 31, 2023 | Rainbow trout | 500 | |
| Jul 18, 2023 | Rainbow trout | 1,000 | |
| Jul 18, 2023 | Rainbow trout | 301 | |
| Jul 17, 2023 | Tiger trout | 4,510 | |
| Jun 30, 2023 | Rainbow trout | 1,001 |
As the agency publishes it. Newest first: 20 of 94.
Getting on the water
- Mill Hollow DamShore access · USDA Forest Service, INFRA Recreation Sites
Listed by public agencies. A listed site doesn't make the water or its shore open to fishing: when in doubt, it's unknown. Check signs and local rules.
The rules
Summary, not the law. Check the official regulations before you fish.
HuntGrid has no rules for this water yet.
Official regulations: Utah Division of Wildlife Resources
What's biting
This water is too small for community summaries: on a small water a summary could point to someone's spot.
About this page
Sources and licences:
- U.S. Geological Survey, National Hydrography Dataset Plus High Resolution (NHDPlus HR); U.S. Census Bureau, TIGER/Line® Shapefiles 2025: counties and states · Public domain (U.S. Government work, 17 U.S.C. §105)
- Fish stocking: Utah Division of Wildlife Resources (Fish Stocking Events) · utah.gov's terms (as read by track FA, 2026-10-17): copying "for personal or informational use … if the documents are not modified", accepted under the owner's 2026-10-19 rule; DWR's ArcGIS item 49aac7bce532403c91ace964d5d80093 (UDWR_Fish_Stocking_Events_1979_2024_VIEW, read 2026-10-19) carries a warranty disclaimer only. Shown as DWR published it. Credit the agency; remove the layer if the agency asks.
- USDA Forest Service, INFRA Recreation Sites · CC BY 4.0 (data.gov listing); US Government work
The outline is drawn from the official water data credited above, without a basemap. These pages show no angler's catches, spots or tracks.