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About this water
Mahwah River is in Bergen County, New York. State records show it stocked 33 times between 2011 and 2025. Every recorded release has been brown trout. 11,790 brown trout have gone in across 33 releases.
Stocking history
33 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| April 2025 | Brown Trout | 20 | 13.7" | — |
| April 2025 | Brown Trout | 400 | 7.0" | — |
| April 2025 | Brown Trout | 160 | 7.0" | — |
| April 2025 | Brown Trout | 40 | 13.7" | — |
| March 2024 | Brown Trout | 20 | 11.2" | — |
| March 2024 | Brown Trout | 150 | 8.2" | — |
| March 2024 | Brown Trout | 380 | 8.2" | — |
| March 2024 | Brown Trout | 40 | 11.2" | — |
| March 2023 | Brown Trout | 660 | 8.9" | — |
| March 2023 | Brown Trout | 70 | 13.9" | — |
| March 2022 | Brown Trout | 660 | 9.0" | — |
| March 2022 | Brown Trout | 70 | 13.5" | — |
Showing the 12 most recent of 33. Stocking records for Mahwah River published by New York State Department of Environmental Conservation. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full New York stocking report.
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