Mongaup River Fish Stocking
Sullivan County, New York · 2011–2026 on record
According to New York fish & wildlife agency, Mongaup River was last stocked April 2026 with Brown Trout. Mongaup River has 32 stocking records on file, spanning 2011–2026, with about 11,890 fish stocked over that period.
When Mongaup River is stocked
Mongaup River is typically stocked in spring, most often in April — 32 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Mongaup River, freshest activity first.
Neversink River
6 miSULLIVAN County · 3 species · 194 records
Last stocked May 2026
Trout Lake
12 miSt Lawrence County · 3 species · 35 records
Last stocked May 2026
Mongaup Falls Reservoir
9 miSullivan County · 1 species · 16 records
Last stocked April 2026
Hemlock Lake
6 miLivingston County · 2 species · 31 records
Last stocked October 2025
Panther Pond
9 miHamilton County · 1 species · 29 records
Last stocked October 2025
Big Pond
6 miDelaware County · 2 species · 153 records
Last stocked September 2025
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 2026 | Brown Trout | 70 | 12" | New York fish & wildlife agency |
| April 2026 | Brown Trout | 620 | 9" | New York fish & wildlife agency |
| April 2025 | Brown Trout | 90 | 13.9" | New York fish & wildlife agency |
| April 2025 | Brown Trout | 790 | 7.1" | New York fish & wildlife agency |
| April 2024 | Brown Trout | 90 | 13.4" | New York fish & wildlife agency |
| April 2024 | Brown Trout | 750 | 11.2" | New York fish & wildlife agency |
| April 2023 | Brown Trout | 80 | 13.1" | New York fish & wildlife agency |
| April 2023 | Brown Trout | 750 | 8.9" | New York fish & wildlife agency |
Show 24 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| April 2022 | Brown Trout | 750 | 9" | New York fish & wildlife agency |
| April 2022 | Brown Trout | 80 | 13.5" | New York fish & wildlife agency |
| April 2021 | Brown Trout | 750 | 8.8" | New York fish & wildlife agency |
| April 2021 | Brown Trout | 80 | 13.2" | New York fish & wildlife agency |
| April 2020 | Brown Trout | 550 | 8.9" | New York fish & wildlife agency |
| April 2020 | Brown Trout | 70 | 13" | New York fish & wildlife agency |
| April 2019 | Brown Trout | 70 | 13.3" | New York fish & wildlife agency |
| April 2019 | Brown Trout | 660 | 8.8" | New York fish & wildlife agency |
| April 2018 | Brown Trout | 650 | 9.2" | New York fish & wildlife agency |
| April 2018 | Brown Trout | 70 | 13" | New York fish & wildlife agency |
| April 2017 | Brown Trout | 620 | 8.9" | New York fish & wildlife agency |
| April 2017 | Brown Trout | 70 | 13.1" | New York fish & wildlife agency |
| April 2016 | Brown Trout | 650 | 9" | New York fish & wildlife agency |
| April 2016 | Brown Trout | 70 | 13.7" | New York fish & wildlife agency |
| April 2015 | Brown Trout | 640 | 8.1" | New York fish & wildlife agency |
| April 2015 | Brown Trout | 70 | 13" | New York fish & wildlife agency |
| April 2014 | Brown Trout | 660 | 8.8" | New York fish & wildlife agency |
| April 2014 | Brown Trout | 70 | 13.6" | New York fish & wildlife agency |
| April 2013 | Brown Trout | 550 | 8.4" | New York fish & wildlife agency |
| April 2013 | Brown Trout | 70 | 13.1" | New York fish & wildlife agency |
| April 2012 | Brown Trout | 670 | 8.5" | New York fish & wildlife agency |
| April 2012 | Brown Trout | 70 | 13.5" | New York fish & wildlife agency |
| April 2011 | Brown Trout | 640 | 8.3" | New York fish & wildlife agency |
| April 2011 | Brown Trout | 70 | 13.1" | New York fish & wildlife agency |
Frequently asked
When was Mongaup River last stocked?
According to New York fish & wildlife agency, Mongaup River was last stocked April 2026 with Brown Trout.
What fish species are stocked in Mongaup River?
Mongaup River is stocked with Brown Trout.
What time of year is Mongaup River stocked?
Mongaup River is typically stocked in spring, most often in April.
How often is Mongaup River stocked?
Mongaup River has been stocked about 2 times a year — 32 recorded stockings between 2011 and 2026.
How many fish have been stocked in Mongaup River?
About 11,890 fish have been stocked in Mongaup River across 32 recorded events since 2011, per New York fish & wildlife agency.
What size are the fish stocked in Mongaup River?
Fish stocked in Mongaup River average about 11.0 inches, based on the sizes the agency reported.