MT
Hatfield Reservoir
LakeMT
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About this water
Hatfield Reservoir is a reservoir in Montana. State records show it stocked 25 times between 2000 and 2025. Every recorded release has been rainbow trout. 73,393 rainbow trout have gone in across 25 releases.
Stocking history
25 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Jun 9, 2025 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 7.0" | Fort Peck Hatchery |
| May 15, 2024 | Rainbow Trout · Arlee | 3,000 | 2.9" | Fort Peck Hatchery |
| May 17, 2023 | Rainbow Trout · Arlee | 3,000 | 2.6" | Fort Peck Hatchery |
| May 11, 2022 | Rainbow Trout · Arlee | 3,000 | 3.3" | Fort Peck Hatchery |
| May 20, 2020 | Rainbow Trout · Arlee | 3,113 | 3.2" | Fort Peck Hatchery |
| May 14, 2019 | Rainbow Trout · Arlee | 3,000 | 2.6" | Fort Peck Hatchery |
| May 4, 2018 | Rainbow Trout · Arlee | 3,000 | 2.4" | Fort Peck Hatchery |
| Apr 14, 2017 | Rainbow Trout · Arlee | 3,000 | 2.0" | Fort Peck Hatchery |
| Apr 8, 2016 | Rainbow Trout · Arlee | 3,000 | 2.1" | Fort Peck Hatchery |
| Apr 17, 2015 | Rainbow Trout · Arlee | 3,000 | 2.0" | Fort Peck Hatchery |
| Apr 17, 2014 | Rainbow Trout · Arlee | 3,000 | 2.1" | Fort Peck Hatchery |
| Jun 13, 2013 | Rainbow Trout · Arlee | 2,994 | 3.0" | Fort Peck Hatchery |
Showing the 12 most recent of 25. Stocking records for Hatfield Reservoir published by Montana Fish, Wildlife & Parks. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Montana stocking report.
