Millsite Lake fish stocking
Theresa, Jefferson County, New York
Millsite Lake in Theresa, Jefferson County, New York was last stocked in November 2025 with 37 landlocked salmon. Across the 4 years shown here, NYSDEC released 4,017 fish in 10 separate stockings. Stockings here are most common in April, May, and November.
2026 stocking plan
From NYSDEC's published season plan. Plans can change because of weather and hatchery conditions.
| When | Species | Fish | Size |
|---|---|---|---|
| — 2026 | Rainbow Trout | 520 | 8 inches |
When Millsite Lake gets fish
Stocking history
New York reports the month of each stocking, not the exact day.
2025 · 1,077 fish
| Date | Species | Fish | Size |
|---|---|---|---|
| Landlocked Salmon | 15 | 11.5″ | |
| Landlocked Salmon | 22 | 25.5″ | |
| Landlocked Salmon | 520 | 7″ | |
| Rainbow Trout | 520 | 8.8″ |
2024 · 1,020 fish
| Date | Species | Fish | Size |
|---|---|---|---|
| Rainbow Trout | 520 | 9.6″ | |
| Landlocked Salmon | 500 | 6.9″ |
2023 · 950 fish
| Date | Species | Fish | Size |
|---|---|---|---|
| Landlocked Salmon | 450 | 6.7″ | |
| Rainbow Trout | 500 | 9″ |
2022 · 970 fish
| Date | Species | Fish | Size |
|---|---|---|---|
| Landlocked Salmon | 470 | 7″ | |
| Rainbow Trout | 500 | 9.5″ |
Frequently asked questions
When was Millsite Lake last stocked?
NYSDEC records show Millsite Lake was last stocked in November 2025 (about 11 months ago), with 37 landlocked salmon.
What fish are stocked in Millsite Lake?
Millsite Lake has been stocked with landlocked salmon and rainbow trout in the years shown here (2022–2025).
When does Millsite Lake usually get stocked?
Most fish have been stocked in April, May, and November. Exact dates change from year to year, so check back or see NYSDEC's official stocking page.
Do I need a license to fish Millsite Lake?
Yes, anglers generally need a valid New York fishing license. Check the current New York fishing regulations for seasons, limits and any special rules for Millsite Lake.
Other stocked waters in Jefferson County
Lake of the Woods
Sixberry Lake
Hyde Lake
Black Creek
Black Creek West Branch
Black River
All 25 stocked waters in Jefferson County →
Source: Fish Stocking Lists (Actual) (data.ny.gov), Current Season Spring Trout Stocking (data.ny.gov). Stocked Lakes is not affiliated with New York State Department of Environmental Conservation. Spot a problem? Let us know.