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Rensselaer County

Walloomsac River

NYSDEC reported 9,820 trout stocked in Walloomsac River (Rensselaer County) in 2025, the latest year in its stocking lists. The most recent month listed is March 2025. DEC lists stocking by month, not by day.

NYSDEC data pulled .

A river with forest and trees
Photo: 25725737, Pixabay License, Pixabay

Walloomsac River in numbers

trout stocked in 2025
9,820
yearly average, 2020–2024
4,224
years stocked since 2020
6
Stocking log

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.

Last stocked, March 20259,8208,840 rainbow trout; 980 brown trout
Spring 2026 plan
When (DEC wording)SpeciesFishSize
March - third week 2026Rainbow trout4,370 fish4,3709– 10 inches
March - third week 2026Brown trout540 fish54012–15 inches
2025 · 9,820 fish
MonthSpeciesFishBatchesAverage length
MarchRainbow trout8,840 fish · Average length: 9 in8,84029 in
MarchBrown trout980 fish · Average length: 13.8 in980213.8 in
2024 · 2,020 fish
MonthSpeciesFishBatchesAverage length
MarchRainbow trout1,810 fish · Average length: 9 in1,81029 in
MarchBrown trout210 fish · Average length: 13.4 in210213.4 in
2023 · 4,490 fish
MonthSpeciesFishBatchesAverage length
MayRainbow trout200 fish · Average length: 9.1 in20019.1 in
MarchRainbow trout3,860 fish · Average length: 9.2 in3,86039.2 in
MarchBrown trout430 fish · Average length: 13.1 in430313.1 in
Every year since 2020
YearFish
20259,820 fish9,820
20242,020 fish2,020
20234,490 fish4,490
20224,290 fish4,290
20214,290 fish4,290
20206,030 fish6,030
2020 – 2025

Trout stocked each year

DEC’s lists end with the latest year it has published. The tallest year is yellow.

  1. 6.0k2020: 6,030 fish
  2. 4.3k2021: 4,290 fish
  3. 4.3k2022: 4,290 fish
  4. 4.5k2023: 4,490 fish
  5. 2.0k2024: 2,020 fish
  6. 9.8k2025: 9,820 fish

What is stocked here

All records since 2020
SpeciesFishShare
Rainbow trout27,96090%
Brown trout2,98010%

Where it is

New York trout stockingAll Rensselaer County waters

No single map point is given for this water in the USGS names database, so no map is shown.

Also in Rensselaer County: Kinderhook Creek, Poesten Kill, Shaver Pond, Second Pond, Long Pond, Town Park 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.