Lake Ontario
NYSDEC reported 117,990 trout stocked in Lake Ontario (Oswego County) in 2025, the latest year in its stocking lists. The most recent month listed is June 2025. DEC lists stocking by month, not by day.
NYSDEC data pulled .
Lake Ontario in numbers
- trout stocked in 2025
- 117,990
- yearly average, 2020–2024
- 123,122
- years stocked since 2020
- 6
Every stocking record
DEC stocking lists for the last three years on record, by month and species, newest first, then yearly totals, and the spring plan DEC published for this water. DEC lists each batch with its average length; where a month has several batches the range is shown.
| When (DEC wording) | Species | Fish | Size |
|---|---|---|---|
| Mid May 2026 | Brown trout48,650 fish | 48,650 | 8 inches |
| Mid May 2026 | Brown trout37,100 fish | 37,100 | 8 inches |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| June | Brown trout29,000 fish · Average length: 6.1–8.2 in | 29,000 | 2 | 6.1–8.2 in |
| May | Brown trout88,990 fish · Average length: 7.6–7.9 in | 88,990 | 2 | 7.6–7.9 in |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| May | Brown trout90,541 fish · Average length: 7.3–8 in | 90,541 | 3 | 7.3–8 in |
| May | Lake trout70,500 fish · Average length: 6.7–6.8 in | 70,500 | 2 | 6.7–6.8 in |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| May | Brown trout80,917 fish · Average length: 7.8–8 in | 80,917 | 2 | 7.8–8 in |
| May | Lake trout81,100 fish · Average length: 6.1–6.4 in | 81,100 | 2 | 6.1–6.4 in |
| Year | Fish |
|---|---|
| 2025117,990 fish | 117,990 |
| 2024161,041 fish | 161,041 |
| 2023162,017 fish | 162,017 |
| 202280,916 fish | 80,916 |
| 2021149,967 fish | 149,967 |
| 202061,670 fish | 61,670 |
Trout stocked each year
DEC’s lists end with the latest year it has published. The tallest year is yellow.
What is stocked here
| Species | Fish | Share |
|---|---|---|
| Brown trout | 521,201 | 71% |
| Lake trout | 212,400 | 29% |
No single map point is given for this water in the USGS names database, so no map is shown.
Also in Oswego County: Salmon River, North Branch Salmon River, West Branch Fish Creek, Beaverdam Brook, Grindstone Creek, Lighthouse Hill Reservoir, Oswego River, Redfield Sportsmen's Pond.
Source: DEC fish stocking lists (actual), data.ny.gov and the DEC spring trout stocking plan, data.ny.gov, New York State Department of Environmental Conservation. Pulled . Check the agency and the current fishing rules before you go.