Walloomsac River Fish Stocking
Rensselaer County, New York · 2011–2026 on record
According to New York fish & wildlife agency, Walloomsac River was last stocked March 2026 with Brown Trout. Walloomsac River has 110 stocking records on file, spanning 2011–2026, with about 85,720 fish stocked over that period.
When Walloomsac River is stocked
Walloomsac River is typically stocked in spring, most often in May — 52 stocking events in that peak month.
Angler's Field Guide
Fishing Tips & Stocking Guide for Walloomsac River
Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Rensselaer County, New York.
Post-Plant Behavior & Timing
Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Walloomsac River, they typically congregate in schools near public access points, boat ramps, or inlets for the first 24 to 48 hours while adjusting to natural water conditions.
Since Walloomsac River was last stocked March 2026, anglers visiting within 1 to 2 weeks of a reported event generally experience the highest activity before fish disperse into deeper cover.
State Regulations & Licensing
- •Fishing License: A valid New York freshwater fishing license is required for anglers age 16 and older.Purchase New York license online →
- •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by New York fish & wildlife agency.Official New York regulations guidebook →
- •Ethical Conservation: Use barbless hooks and keep fish submerged in water during unhooking.Trout Thermal Advisory: When water temperatures rise above 68°F (20°C), released trout face severe mortality from thermal exhaustion. Target warmwater species or fish early in the morning when lakes and streams warm up.
Recommended Tackle & Presentations
Techniques tailored to the species stocked in Walloomsac River:
Stocked Trout Tactics
Use light 4–6 lb monofilament or fluorocarbon line. Float scented dough bait (PowerBait) 12–18" off bottom using a sliding slip-sinker rig with a size 14–16 treble hook. For active casting, throw 1/16 to 1/8 oz inline spinners (Panther Martin, Rooster Tail) or small spoons (Kastmaster) along drop-offs.
Brown Trout Profile Tips
Known for being wary and selective, brown trout are a prized target for fly anglers, especially larger, nocturnal-feeding fish.
Rainbow Trout Profile Tips
The most commonly targeted stocked trout in the country, taken on bait, spinners, and flies alike; a common first fish for new anglers.
Recommended Tackle for Walloomsac River
Field-tested tackle and presentations matched to the species stocked here.
Berkley PowerBait Floating Trout Dough
Hatchery-raised trout are conditioned to pelleted scents; scented dough floated 12–18 inches off bottom consistently triggers strikes.
Panther Martin Classic Teardrop Inline Spinner
The heavy convex blade spins instantly upon retrieval, sending vibration through the water that triggers aggressive reaction bites along drop-offs.
Sliding Sinker & Treble Hook Rigging Kit
Sliding egg sinkers allow cautious trout to run with bait without feeling line drag, while size 14–16 treble hooks keep dough bait securely pinned.
As an Amazon Associate, StockedWaters earns from qualifying purchases at no additional cost to you. Recommendations are chosen for hatchery-conditioned fish behavior and ethical rigging. We may receive a referral commission if you buy through these links. Read our editorial policy & standards.
Nearby stocked waters
Other stocked waters near Walloomsac River, freshest activity first.
Second Pond
11 miWarren County · 3 species · 37 records
Last stocked June 2026
Batten Kill
16 miWashington County · 1 species · 294 records
Last stocked June 2026
Dead Lake
12 miWashington County · 3 species · 30 records
Last stocked May 2026
Mohawk River
20 miSchenectady County · 3 species · 211 records
Last stocked May 2026
Case Lake
1 miCattaraugus County · 3 species · 119 records
Last stocked April 2026
Batten Kill River
16 miWashington County · 1 species · 2 records
Last stocked May 2025
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| March 2026 | Brown Trout | 540 | 12" | New York fish & wildlife agency |
| March 2026 | Rainbow Trout | 4,370 | 9" | New York fish & wildlife agency |
| March 2025 | Rainbow Trout | 4,420 | 9" | New York fish & wildlife agency |
| March 2025 | Rainbow Trout | 4,420 | 9" | New York fish & wildlife agency |
| March 2025 | Brown Trout | 490 | 13.8" | New York fish & wildlife agency |
| March 2025 | Brown Trout | 490 | 13.8" | New York fish & wildlife agency |
| March 2024 | Rainbow Trout | 660 | 9" | New York fish & wildlife agency |
| March 2024 | Brown Trout | 80 | 13.4" | New York fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| March 2024 | Brown Trout | 130 | 13.4" | New York fish & wildlife agency |
| March 2024 | Rainbow Trout | 1,150 | 9" | New York fish & wildlife agency |
| May 2023 | Rainbow Trout | 200 | 9.1" | New York fish & wildlife agency |
| March 2023 | Rainbow Trout | 1,010 | 9.2" | New York fish & wildlife agency |
| March 2023 | Brown Trout | 110 | 13.1" | New York fish & wildlife agency |
| March 2023 | Rainbow Trout | 790 | 9.2" | New York fish & wildlife agency |
| March 2023 | Rainbow Trout | 2,060 | 9.2" | New York fish & wildlife agency |
| March 2023 | Brown Trout | 90 | 13.1" | New York fish & wildlife agency |
| March 2023 | Brown Trout | 230 | 13.1" | New York fish & wildlife agency |
| March 2022 | Rainbow Trout | 3,860 | 9" | New York fish & wildlife agency |
| March 2022 | Brown Trout | 430 | 13.5" | New York fish & wildlife agency |
| March 2021 | Brown Trout | 90 | 13.2" | New York fish & wildlife agency |
| March 2021 | Brown Trout | 110 | 13.2" | New York fish & wildlife agency |
| March 2021 | Brown Trout | 230 | 13.2" | New York fish & wildlife agency |
| March 2021 | Rainbow Trout | 790 | 8.9" | New York fish & wildlife agency |
| March 2021 | Rainbow Trout | 2,060 | 8.9" | New York fish & wildlife agency |
| March 2021 | Rainbow Trout | 1,010 | 8.9" | New York fish & wildlife agency |
| May 2020 | Rainbow Trout | 1,090 | 8.3" | New York fish & wildlife agency |
| April 2020 | Brown Trout | 200 | 13.2" | New York fish & wildlife agency |
| April 2020 | Rainbow Trout | 190 | 10" | New York fish & wildlife agency |
| April 2020 | Rainbow Trout | 450 | 10" | New York fish & wildlife agency |
| April 2020 | Rainbow Trout | 230 | 10" | New York fish & wildlife agency |
| April 2020 | Brown Trout | 300 | 13.2" | New York fish & wildlife agency |
| March 2020 | Rainbow Trout | 640 | 7.8" | New York fish & wildlife agency |
| March 2020 | Rainbow Trout | 1,950 | 7.8" | New York fish & wildlife agency |
| March 2020 | Rainbow Trout | 980 | 7.8" | New York fish & wildlife agency |
| May 2019 | Brown Trout | 200 | 13.2" | New York fish & wildlife agency |
| May 2019 | Brown Trout | 300 | 13.2" | New York fish & wildlife agency |
| May 2019 | Brown Trout | 530 | 7.5" | New York fish & wildlife agency |
| May 2019 | Brown Trout | 220 | 7.5" | New York fish & wildlife agency |
| May 2019 | Brown Trout | 270 | 7.5" | New York fish & wildlife agency |
| April 2019 | Brown Trout | 750 | 7.7" | New York fish & wildlife agency |
| April 2019 | Brown Trout | 1,150 | 7.7" | New York fish & wildlife agency |
| April 2019 | Brown Trout | 2,300 | 7.7" | New York fish & wildlife agency |
| May 2018 | Brown Trout | 300 | 13.2" | New York fish & wildlife agency |
| May 2018 | Brown Trout | 200 | 13.2" | New York fish & wildlife agency |
| May 2018 | Brown Trout | 520 | 8.3" | New York fish & wildlife agency |
| May 2018 | Brown Trout | 220 | 8.3" | New York fish & wildlife agency |
| May 2018 | Brown Trout | 260 | 8.3" | New York fish & wildlife agency |
| May 2018 | Brown Trout | 2,260 | 8" | New York fish & wildlife agency |
| May 2018 | Brown Trout | 740 | 8" | New York fish & wildlife agency |
| May 2018 | Brown Trout | 1,130 | 8" | New York fish & wildlife agency |
Showing 50 of 110 stocking records.
Frequently asked
When was Walloomsac River last stocked?
According to New York fish & wildlife agency, Walloomsac River was last stocked March 2026 with Brown Trout.
What fish species are stocked in Walloomsac River?
Walloomsac River is stocked with Brown Trout and Rainbow Trout.
What time of year is Walloomsac River stocked?
Walloomsac River is typically stocked in spring, most often in May.
How often is Walloomsac River stocked?
Walloomsac River has been stocked about 7 times a year — 110 recorded stockings between 2011 and 2026.
How many fish have been stocked in Walloomsac River?
About 85,720 fish have been stocked in Walloomsac River across 110 recorded events since 2011, per New York fish & wildlife agency.
What size are the fish stocked in Walloomsac River?
Fish stocked in Walloomsac River average about 9.9 inches, based on the sizes the agency reported.
Do you need a fishing license to fish Walloomsac River?
Yes, all anglers age 16 and older generally need a valid New York freshwater fishing license. Always review current regulations from New York fish & wildlife agency for site-specific rules, bag limits, or stamps.
How do you catch stocked trout in Walloomsac River?
Freshly stocked trout in Walloomsac River typically respond well to floating dough bait (such as PowerBait) floated 12–18 inches off bottom on light 4–6 lb leader, live nightcrawlers under a bobber, and small inline spinners or spoons retrieved along shorelines and drop-offs.