Hatfield Reservoir trout stocking
Montana · lake
Hatfield Reservoir was last stocked 4 months ago (Jun 9, 2026). We have 2 stockings on record since Jun 9, 2025, 1 in the last 12 months (1,000 fish). Species stocked: rainbow trout.
Last stocked
4 months ago
Jun 9, 2026
Next planned
Not announced
Last 12 months
1 stocking
1,000 fish
On record
2 stockings
since Jun 9, 2025
Weather at Hatfield Reservoir
- Tonight55°FMostly Clearwind 9 to 13 mph
- Friday76°FMostly Sunnywind 13 to 23 mph
- Friday Night51°FMostly Cloudywind 14 to 21 mph
- Saturday64°FSunnywind 15 to 20 mph
- Saturday Night42°FPartly Cloudywind 6 to 13 mph
- Sunday60°FPartly Sunny3% rain · wind 5 to 8 mph
Forecast from the National Weather Service for this location, refreshed hourly.
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 2 | 2,000 | 1,000 | 7.0 in |
Stocking history
| Date | Species | Fish | Pounds | Hatchery |
|---|---|---|---|---|
| Jun 9, 2026 | Rainbow trout | 1,000 | Fort Peck Hatchery | |
| Jun 9, 2025 | Rainbow trout | 1,000 | Fort Peck Hatchery |
From Montana fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go.
Where is Hatfield Reservoir?
Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Hatfield Reservoir
- Killenbeck Reservoirlake · 16 mistocked May 8, 2026
- Carney Pondlake · 17 mistocked May 8, 2026
Questions about Hatfield Reservoir
- When was Hatfield Reservoir last stocked?
- The latest reported stocking was Jun 9, 2026 (rainbow trout, 1,000 fish), according to Montana agency reports.
- How often is Hatfield Reservoir stocked?
- It was stocked 1 times in the last 12 months.
- What kind of trout are stocked in Hatfield Reservoir?
- Rainbow trout (2 stockings, 2,000 fish).