Mahwah River
NYSDEC reported 620 trout stocked in Mahwah River (Rockland County) in 2025, the latest year in its stocking lists. The most recent month listed is April 2025. DEC lists stocking by month, not by day.
NYSDEC data pulled .
Mahwah River in numbers
- trout stocked in 2025
- 620
- yearly average, 2020–2024
- 704
- 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 |
|---|---|---|---|
| March - fourth week 2026 | Brown trout570 fish | 570 | 9– 10 inches |
| March - fourth week 2026 | Brown trout70 fish | 70 | 12–15 inches |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| April | Brown trout620 fish · Average length: 7–13.7 in | 620 | 4 | 7–13.7 in |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| March | Brown trout590 fish · Average length: 8.2–11.2 in | 590 | 4 | 8.2–11.2 in |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| March | Brown trout730 fish · Average length: 8.9–13.9 in | 730 | 2 | 8.9–13.9 in |
| Year | Fish |
|---|---|
| 2025620 fish | 620 |
| 2024590 fish | 590 |
| 2023730 fish | 730 |
| 2022730 fish | 730 |
| 2021730 fish | 730 |
| 2020740 fish | 740 |
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 | 4,140 | 100% |
No single map point is given for this water in the USGS names database, so no map is shown.
Also in Rockland County: Ramapo River, Hessian Lake, Minisceongo Creek, Minisceongo Creek North Branch, Pascack Brook, Stony Brook.
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.