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About this water
Gartside Reservoir is a 40 acre reservoir in Richland County, Montana. State records show it stocked 30 times between 2000 and 2025. The most-stocked species are walleye, smallmouth bass and northern pike, with 4 more on record. 324,000 walleye have gone in across 10 releases.
Stocking history
30 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Oct 9, 2025 | Largemouth Bass · Miles City | 3,000 | 2.6" | Miles City Fish Hatchery |
| Oct 16, 2023 | Rainbow Trout · Arlee | 1,159 | 10.9" | Miles City Fish Hatchery |
| Aug 20, 2021 | Channel Catfish · Montana | 1,000 | 1.7" | Miles City Fish Hatchery |
| May 7, 2020 | Smallmouth Bass · Miles City | 286 | 13.3" | Miles City Fish Hatchery |
| Oct 17, 2019 | Channel Catfish · Montana | 318 | 2.7" | Miles City Fish Hatchery |
| Aug 3, 2018 | Smallmouth Bass · Miles City | 2,000 | 2.2" | Miles City Fish Hatchery |
| Oct 20, 2010 | Tiger Muskie (Northern X Muskie) | 400 | 12.0" | Fort Peck Hatchery |
| May 14, 2008 | Walleye · Fort Peck | 40,000 | 0.2" | Miles City Fish Hatchery |
| Jun 13, 2007 | Walleye · Fort Peck | 40,000 | 1.4" | Miles City Fish Hatchery |
| Jun 2, 2007 | Walleye · Fort Peck | 40,000 | 1.4" | Miles City Fish Hatchery |
| May 4, 2007 | Tiger Muskie (Northern X Muskie) · Wisconsin | 1,000 | 8.7" | Miles City Fish Hatchery |
| Sep 26, 2006 | Tiger Muskie (Northern X Muskie) · Wisconsin | 400 | 5.8" | Miles City Fish Hatchery |
Showing the 12 most recent of 30. Stocking records for Gartside 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.
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