A well-known Allamakee County creek near Dorchester, just over the line from Minnesota, with wild and stocked browns and rainbows in cold limestone water. A Driftless favourite that fishes hard and rewards persistence.
- Limestone
About as good as it gets
River high but settled. Fish are looking up — bigger flies, confident takes.
90% confidence in this read
Live now
Conditions on the water
Trends shown where the gauge supports them
Level
2.16 m
Water temp
14.9°C
Estimated
Clarity
Clear
Air temp
27°C
Wind
S 17 km/h
Gentle breeze
Pressure
1022 hPa
Rain · 24h
0.0 mm
No rain
Rain · ahead
41.5 mm
Heavy rain · next 48h
Live readings — water temperature is an estimate where the gauge does not record it.
How to fish · for brown trout
The brief
When · where · method · kit
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
Excellent — conditions well-balanced, with water temperature particularly in your favour.
Hatches & runs
What's on, when
Twelve months at a glance
Through the year
0–3 scale · June highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Brown SedgeHatch
2
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Blue Winged OliveHatch
2
3
3
3
3
2
Mayfly (Green Drake)Hatch
2
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Today's fly · curated pack
Top pattern + the box
6 patterns from this venue's curated pack
Local fly shopsDriftless Fly Fishing Co.
Detail · next 12h
Water temperature & rain
The two readings most likely to move the verdict
Water temperature for brown trout
Ideal15°C est.ideal 10–16°C
0°14°28°
Evidence
Why today scores what it does
6 factors, signed
- Temperature10028% weight
- Flow8022% weight
- Clarity9518% weight
- Feeding Time7013% weight
- Pressure807% weight
- Insect activity6812% weight
About this water
Waterloo Creek, end to end
Field guide · contributor-editedWaterloo Creek · about
What this water is
Background · character · contributors
About this water
Waterloo Creek · directions
How to get to the water
Directions
Waterloo Creek · zones
Where the rules change
Seasons · zones · per-species rules
Seasons & zones
- TroutOpen all year → Open all year
Waterloo Creek · permits
Good to know
Permits & access
Permit required — see local rules.
- Iowa DNR — verify regulations.
Waterloo Creek
Google Places
A well-known Allamakee County creek near Dorchester, just over the line from Minnesota, with wild and stocked browns and rainbows in cold limestone water.
Species
About as good as it gets
River high but settled. Fish are looking up — bigger flies, confident takes.
90% confidence in this read
Water temperature for brown trout
Ideal15°C est.ideal 10–16°C
0°14°28°
Why this score · for brown trout
- Temperature10028% weight
- Flow8022% weight
- Clarity9518% weight
- Feeding Time7013% weight
- Pressure807% weight
- Insect activity6812% weight
Conditions
Level
2.16 m
Water temp
14.9°C
Estimated
Clarity
Clear
Air temp
27°C
Wind
S 17 km/h
Gentle breeze
Pressure
1022 hPa
Rain · 24h
0.0 mm
No rain
Rain · ahead
41.5 mm
Heavy rain · next 48h
Live readings — water temperature is an estimate where the gauge does not record it.
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
Excellent — conditions well-balanced, with water temperature particularly in your favour.
Local fly shopsDriftless Fly Fishing Co.
Through the year
0–3 scale · June highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Brown SedgeHatch
2
3
2
Freshwater ShrimpHatch
2
3
3
3
3
3
3
3
3
3
3
2
Blue Winged OliveHatch
2
3
3
3
3
2
Mayfly (Green Drake)Hatch
2
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Gallery · 1
Terrain map
Permits & access
Permit required — see local rules.
- Iowa DNR — verify regulations.
Directions
About this water
A well-known Allamakee County creek near Dorchester, just over the line from Minnesota, with wild and stocked browns and rainbows in cold limestone water. A Driftless favourite that fishes hard and rewards persistence.
- Limestone
Seasons & zones
- TroutOpen all year → Open all year
Other water nearby · 5