Brown / sea trout · Salmo trutta

Brown / sea trout in the Waterloo Stream

Largest measured brown / sea trout: 23.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the Waterloo Stream was 23.4 cm, recorded at Waterloo on 7 June 2017.

Across 296 measured brown / sea trout, the median measured length was 11.1 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Waterloo Stream.

See brown / sea trout records across England →

Most recent observation6 June 2023Waterloo · 65 fish

Largest measured brown / sea trout: 23.4 cm
Median length: 11.1 cm
Fish measured: 296
Survey locations: 3

Individual EA measurements

Largest measured brown / sea trout

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
23.4 cm	7 Jun 2017	Waterloo	150490
22.8 cm	3 Jul 2009	Waterloo	118310
22.2 cm	3 Jul 2009	Waterloo	118310
22.1 cm	6 Jun 2011	Waterloo	126560
20.4 cm	7 Jun 2017	Waterloo	150490
20.3 cm	7 Jun 2017	Waterloo	150490
20.3 cm	7 Jul 2006	Waterloo	100055
19.9 cm	6 Jun 2023	Waterloo	162530
19.9 cm	6 Jun 2011	Waterloo	126560
19.3 cm	3 Jul 2009	Waterloo	118310

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where brown / sea trout were found

Each point marks a survey location with at least one brown / sea trout record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyed	First recorded	Last recorded	Visits finding brown / sea trout
Waterloo	24 Jun 1985	6 Jun 2023	11
u/s Lavethan Pass	20 Jun 1995	20 Jun 1995	1
d/s Lavethan Pass	20 Jun 1995	20 Jun 1995	1

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1985–2023

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

185

086

087

088

089

090

191

092

093

194

395

096

197

098

099

100

001

002

003

004

005

106

007

008

109

010

111

012

013

014

015

016

117

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 296 measured fish were spread across different length ranges.

Smallest: 3.6 cm
Lower quarter: 9.2 cm
Median: 11.1 cm
Upper quarter: 13.5 cm
Largest: 23.4 cm

0–99 mm

100–199 mm

190

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Waterloo Stream

Compare other species with enough survey and measurement data for a detailed page.

European eel Atlantic salmon

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →