Tailwater · Mixed · Maine

Magalloway River

Magalloway River venue image
Prime · Brook Trout
Elk Hair Caddis · 14-18
Primelive now
About as good as it gets
Low and clear — careful approach country. Take your time — read the water before you cast.
90% confidence
What moved it
  • LevelLight rain recentlyNo gauge reading
  • Water temp10.3°C
  • ClarityClear
Today's fly
Elk Hair Caddis
Elk Hair Caddis14-18
Proven pattern for this period
Conditions on the water
Estimate
Level
Light rain recently
No gauge reading
Water temp10.3°C
ClarityClear
Weather13°C
WindSE 6 km/h
Pressure1015 hPa
Rain · recent3.4 mm
Rain · ahead0.2 mm

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

Water temperature for Brook Trout
Ideal
10°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brook 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
Excellent — water temperature is right today, though insect activity could be better.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 3 active hatches hour by hour with Pro.

Start free trial

14-day free trial. Cancel anytime.

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds with Pro.

Start free trial

14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 2 with Pro.

Start free trial

14-day free trial. Cancel anytime.

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
1
SulphurHatch
2
3
2
Trico (Eastern)Hatch
2
3
3
2
Eastern Blue-Winged OliveHatch
2
3
3
3
3
3
3
3
2
Eastern Summer BWO (Drunella)Hatch
2
3
3
2

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

Ranked for today
Brook Trout fly box
Local fly shops: New England Fly Co.
Permits & access
Permit required — see local rules.
  • Maine general law April 1–Sept 30 with fly-fishing-only / special-law reaches below Aziscohos — verify exact reaches against the Maine 2026 law book
  • DAM-RELEASE: flow set by Aziscohos releases — check Brookfield SafeWaters
  • CONSERVATION: remote native brook trout (a heat-sensitive char) — careful handling, no trophy framing, strong thermal restraint.
What's coming
Plan ahead
5-day outlook
Other water nearby · 3
Androscoggin River — Errol
19 km
Brook trout · Rainbow trout · Brown trout
Rapid River / Rangeley region
20 km
Brook trout
Connecticut Lakes / Upper Connecticut River
25 km
Brook trout · Rainbow trout · Brown trout
Gallery · 1
  1. Terrain map of the venue
    Terrain map
Water quality · US Clean Water Act
  • Aquatic life: Not assessed
  • Fish consumption: Impaired
What this classification means

Fish consumption: Consumption advisory (Mercury) — fish for sport, not the table.

EPA ATTAINS assessment unit 'MAGALLOWAY RIVER' (NHRIV400010206-02), 2024 Integrated Report. Aquatic Life use: Insufficient Information. Listed impairment causes: Mercury. 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) · NHRIV400010206-02

The full read · show the working · for Brook Trout · confidence 90%
How the 84 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure75 × 7%5.3
Insect activity62 × 12%7.4
Conditions total= 84
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout1 April → 30 September
Related guides
Euro Nymphingsubsurface methods
Booking & contacts