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Nassau County

Massapequa Reservoir

NYSDEC reported 3,825 trout stocked in Massapequa Reservoir (Nassau County) in 2025, the latest year in its stocking lists. The most recent month listed is November 2025. DEC lists stocking by month, not by day.

NYSDEC data pulled .

A lake with mountains and reflection
Photo: suju-foto, Pixabay License, Pixabay

Massapequa Reservoir in numbers

trout stocked in 2025
3,825
yearly average, 2020–2024
3,684
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, November 2025595595 brown trout
Spring 2026 plan
When (DEC wording)SpeciesFishSize
April 2026Rainbow trout940 fish9408 inches
April 2026Brown trout450 fish4508 inches
April 2026Brown trout340 fish34012–15 inches
March 2026Rainbow trout520 fish5208 inches
March 2026Brown trout340 fish34012–15 inches
2025 · 3,825 fish
MonthSpeciesFishBatchesAverage length
NovemberBrown trout595 fish · Average length: 11.1 in595111.1 in
OctoberBrown trout680 fish · Average length: 11.1 in680111.1 in
AprilRainbow trout940 fish · Average length: 9.2 in94019.2 in
AprilBrown trout770 fish · Average length: 7.3–11.6 in77027.3–11.6 in
MarchRainbow trout520 fish · Average length: 8.9 in52018.9 in
MarchBrown trout320 fish · Average length: 14.1 in320114.1 in
2024 · 3,830 fish
MonthSpeciesFishBatchesAverage length
OctoberBrown trout680 fish · Average length: 10.3 in680110.3 in
SeptemberBrown trout600 fish · Average length: 9.6 in60019.6 in
AprilRainbow trout940 fish · Average length: 9.1 in94019.1 in
AprilBrown trout770 fish · Average length: 8.2–13.8 in77028.2–13.8 in
MarchRainbow trout520 fish · Average length: 9.1 in52019.1 in
MarchBrown trout320 fish · Average length: 11.2 in320111.2 in
2023 · 3,710 fish
MonthSpeciesFishBatchesAverage length
NovemberBrown trout680 fish · Average length: 9.7 in68019.7 in
OctoberBrown trout600 fish · Average length: 9.7 in60019.7 in
AprilRainbow trout900 fish · Average length: 9.4 in90019.4 in
AprilBrown trout730 fish · Average length: 8.9–10.8 in73028.9–10.8 in
MarchRainbow trout500 fish · Average length: 9.1 in50019.1 in
MarchBrown trout300 fish · Average length: 13.9 in300113.9 in
Every year since 2020
YearFish
20253,825 fish3,825
20243,830 fish3,830
20233,710 fish3,710
20223,710 fish3,710
20213,490 fish3,490
20203,680 fish3,680
2020 – 2025

Trout stocked each year

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

  1. 3.7k2020: 3,680 fish
  2. 3.5k2021: 3,490 fish
  3. 3.7k2022: 3,710 fish
  4. 3.7k2023: 3,710 fish
  5. 3.8k2024: 3,830 fish
  6. 3.8k2025: 3,825 fish

What is stocked here

All records since 2020
SpeciesFishShare
Brown trout14,09563%
Rainbow trout8,15037%

Open on a map

Map point 40.6690, -73.4677: the USGS Geographic Names Information System point for this reservoir (feature 956654). It marks the water, not a parking lot or a boat launch.

Closest waters on this site

Straight-line distance between USGS map points, not driving distance.

Also in Nassau County: Upper Twin Pond, Oyster Bay Mill 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.

Near Massapequa Reservoir

Boat access, bait shops, rentals and places to stay within 10 miles. Distances are straight lines from the map point of the water, not driving distance.

Bait and tackle

nearest 3

Boats, kayaks and marinas

nearest 3

Fishing guides and charters

nearest 3

Campgrounds and RV parks

nearest 3

Lodging

nearest 3
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Businesses: Overture Maps Foundation open places data (release 2026-10-21.0, pulled 2026-11-06), from the businesses’ public listings. We have not visited them and do not rank them. Hours and services change, so call ahead.