Reservoir Tailwater And Tributary Cluster · Hudson Highlands Metamorphic · New York

Croton Watershed trout streams

Croton Watershed trout streams terrain map

The Croton watershed is the trout answer for New York anglers who cannot or do not want to burn a whole day driving to the Catskills.

Marginal · Brown Trout
Sulphur Comparadun · 16-18
Marginallive now
Slow going — pick your moments
River temperature is the limiting factor today, not the flow. Fish dawn or dusk if you go at all, and handle everything with extra care.
80% confidence
What moved it
  • LevelLight rain recentlyNo gauge reading
  • Water temp20.0°C
  • ClarityClear
Today's fly
SC
Sulphur Comparadun16-18
High-confidence seasonal pick
Conditions on the water
Estimate
Level
Light rain recently
No gauge reading
Water temp20.0°C
ClarityClear
Weather19°C
WindSE 9 km/h
Pressure1021 hPa
Rain · recent2.5 mm
Rain · ahead0.0 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

Water temperature for Brown Trout
Warm — slow
20°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Water at 20°C — above the brown trout caution line (18°C). Fish dawn or dusk only. Land it fast, wet hands, no air shots.
Hatch timeline · todayPeak at 6am

Hatch predictions

Today's headline hatch shown — see all 6 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

See the full sub-surface read with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 3 with Pro.

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Evidence
ModelledModerate confidence

Modelled from regional ecology — no survey or occurrence data for this water yet.

Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Quill GordonHatch
2
2
Blue QuillHatch
2
3
2
HendricksonHatch
2
2
Eastern March BrownHatch
2
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
  • New York licence required
  • Verify DEC stream category, PFR access and any NYC watershed rules before surfacing reach guidance.
What's coming
Plan ahead
5-day outlook
Water here around 20°C. Nothing cooler within range — carry a thermometer.
About this water

The Croton watershed is the trout answer for New York anglers who cannot or do not want to burn a whole day driving to the Catskills. It is not one neat river: it is a cluster of small tailwaters, reservoir tributaries and public-access fragments across Westchester and Putnam, with browns, rainbows and brook-trout context depending on reach. What matters most here is honesty about routing — which branch, which public access, which special regulation, and whether release/temperature/access make it worth the drive.

  • Hudson highlands metamorphic
Water quality · US Clean Water Act
  • Aquatic life: Not assessed
What this classification means

EPA ATTAINS assessment unit 'East Branch Croton, Middle, and tribs' (NY1302-0055), 2022 Integrated Report. Aquatic Life use: Insufficient Information. This is a Clean Water Act assessment-unit classification (the US analogue of WFD), not a live reading.

Status is for the Clean Water Act assessment unit covering this reach.

EPA ATTAINS (Clean Water Act) · NY1302-0055

The full read · show the working · for Brown Trout · confidence 80%
How the 28 is built — score × weight = contribution
Temperature25 × 28%7.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity62 × 12%7.4
Conditions total= 60
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Cooler water — back toward the 10–16 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 April → 15 October
Related guides
Euro Nymphingsubsurface methods
Booking & contacts