Lake Ontario
NYSDEC reported 47,300 trout stocked in Lake Ontario (Niagara County) in 2025, the latest year in its stocking lists. The most recent month listed is May 2025. DEC lists stocking by month, not by day.
NYSDEC data pulled .
Lake Ontario in numbers
- trout stocked in 2025
- 47,300
- yearly average, 2020–2024
- 107,957
- 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 |
|---|---|---|---|
| May 2026 | Brown trout22,790 fish | 22,790 | 8 inches |
| May 2026 | Brown trout22,790 fish | 22,790 | 8 inches |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| May | Brown trout23,650 fish · Average length: 9.2 in | 23,650 | 1 | 9.2 in |
| April | Brown trout23,650 fish · Average length: 8.5 in | 23,650 | 1 | 8.5 in |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| May | Lake trout79,157 fish · Average length: 6.7–7 in | 79,157 | 2 | 6.7–7 in |
| May | Brown trout46,000 fish · Average length: 8.8–9.2 in | 46,000 | 4 | 8.8–9.2 in |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| May | Lake trout79,762 fish · Average length: 6.2–6.3 in | 79,762 | 2 | 6.2–6.3 in |
| May | Brown trout28,000 fish · Average length: 7.8–8.1 in | 28,000 | 3 | 7.8–8.1 in |
| April | Brown trout15,000 fish · Average length: 9 in | 15,000 | 1 | 9 in |
| Year | Fish |
|---|---|
| 202547,300 fish | 47,300 |
| 2024125,157 fish | 125,157 |
| 2023122,762 fish | 122,762 |
| 2022122,560 fish | 122,560 |
| 202140,040 fish | 40,040 |
| 2020129,264 fish | 129,264 |
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 |
|---|---|---|
| Lake trout | 314,213 | 54% |
| Brown trout | 272,870 | 46% |
No single map point is given for this water in the USGS names database, so no map is shown.
Also in Niagara County: Lower Niagara River, Hyde Park Lake, Oppenheim Park Pond, Eighteenmile Creek, Twelvemile Creek, Twelvemile Creek East Branch, Niagara River.
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.